Monday, September 07, 2026

SSO+DDR: From Statistical Inertia to Divergent Exploration

A new stage in the development of an AI-powered exploration engine

 

Artificial intelligence has become remarkably effective at generating answers. But there is a less visible question: How many potentially useful alternatives never appear because they are outside the statistical path that an AI system naturally tends to follow?

This question gave rise to SSO+DDR (Sequential Stress Optimization + Dynamic Divergence Refinement), and what began as the deliberate introduction of friction into AI-generated exploration to allow alternatives beyond the most probable response patterns to emerge has evolved considerably over several months and multiple experimental iterations. SSO+DDR is no longer simply a tool for producing unusual responses but is becoming an exploration environment for divergent alternatives. 

 

1.   From answers to exploration

 

Conventional interaction with an AI system usually follows a familiar pattern:

Problem → Generation → Best Answer

 

This approach is highly useful when the goal is to obtain a practical answer efficiently. However, it can be limiting when the real objective is different:

·       Discovering alternatives that a team has not considered;

·       Challenging established approaches;

·       Exposing hidden assumptions;

·       Exploring unconventional mechanisms;

·       Identifying directions for R&D;

·       or determining whether the current solution space has actually been explored broadly enough.

 

SSO+DDR approaches the problem differently: 

Problem → Divergence → Filtering → Interpretation → Human Evaluation

 

The distinction is fundamental. The system is not designed to decide what the user should do. It is designed to help reveal what else might be worth considering before that decision is made.

 

2.   The new face of SSO+DDR

 

The latest development has shifted the emphasis from the internal mechanics of divergence toward the experience of exploring its outputs.

 

The user does not need to know how the engine produces divergence.

 

The user does not need to understand its internal exploration logic.

 

The user simply presents a problem.

 

The engine explores the problem and returns a structured set of Divergent Outputs.

 

These outputs are not presented as definitive solutions. They are potential seeds. Some may appear immediately applicable. Others may initially look strange, incomplete, or even implausible. That is intentional. The purpose is not to eliminate unusual ideas because they do not immediately resemble conventional solutions. The purpose is to make those ideas visible so that they can be examined.

 

3.   Divergent Outputs instead of solutions

 

One of the conceptual changes in the current version is the language used to describe the results.

 

The engine no longer needs to tell the user: “Here are the solutions”. That would imply a level of validation that the system does not claim to provide. Instead: Here are the divergent outputs generated while exploring the problem. This distinction is important. A divergent output can become:

 

·       an R&D hypothesis;

·       a design direction;

·       a challenge to an existing architecture;

·       a new combination of known mechanisms;

·       a starting point for experimentation;

·       or simply evidence that a different solution path exists.

 

The value may therefore reside not in the output itself, but in the new direction of thought that the output opens.

 

4.   From isolated answers to a map of the explored space

 

The evolution of SSO+DDR has also changed the way results are presented. Instead of returning only the alternatives that survive the exploration process, the system can expose a broader picture of what happened during exploration. This includes divergent outputs as well as near-miss alternatives.

 

A near miss is particularly interesting. It may have been rejected because it was too close to another explored alternative, because its translation into the target problem lost too much of its original structure, or because it did not sufficiently align with the problem being explored. That does not necessarily make the underlying idea worthless. Quite the opposite.

 

For an R&D analyst, a rejected path can sometimes be more interesting than an accepted one. It may contain a mechanism that deserves to be recovered, reformulated or investigated independently. This leads to a different way of thinking about AI exploration:


"Rejection is not necessarily failure. It can be information about the frontier of the search".

 

5.   Seven experimental runs and a broader range of domains

 

The latest development has resulted from a sequence of experimental runs covering substantially different types of problems:

  1. Wire-bonded System-on-Chip (SoC) that embeds authentication directly into the DDR memory controller (Test 1).
  2. Authentication mechanism for a NAND storage controller that verifies chip provenance at first boot (Test 2).
  3. Access scheme for a DDR5 memory array that neutralizes parasitic charge coupling. (Test 3).
  4. Silicon-level defense mechanism for a GDDR7 memory subsystem that prevents data corruption (Test 4).
  5. Design a nanoparticle drug delivery system for a poorly soluble oncology compound (Test 5).
  6. Design a real-time stability prediction model for lyophilized biologics that forecasts degradation at 25°C/60% RH for 24 months within 5% error (Test 6).
  7. Design a recycled carbon fiber reinforcement strategy for automotive composites that matches virgin-material tensile strength (>400 MPa) with <10% property variation (Test 7). 

The significance of these experiments is not that every generated idea was immediately implementable. That is not the claim. The more interesting observation is that the same exploration architecture can be applied to substantially different problem domains.


The domain changes, prompts change, the constraints change, the expected solutions change, but the exploration philosophy remains the same. This supports an important characteristic of SSO+DDR: It is intended to be domain-agnostic.

 

The system does not need to be redesigned for every industry simply because the problem changes. Its purpose is not to contain the best answer for a particular sector. Its purpose is to explore alternatives within whatever problem the analyst brings to it.

 

6.   Summary of experimental outputs.

Below is a brief summary of the divergent output maps provided by the SSO DDR engine, in order to make this publication as concise as possible. If you require specific information, please contact us at antonio.uncal@gmail.com.

It should be noted that the divergent outputs maps consist of Divergent Outputs Accepted and Divergent Outputs Close to Acceptance (Near Miss).


Please note that divergent outputs contain the unedited terminology provided by the SSO DDR engine, which can be dense, specialized, and therefore requires interpretation.

 

6.1     Test 1. System-on-Chip (SoC)

 

Design a hardware architecture for a low-cost, wire-bonded System-on-Chip (SoC) that embeds authentication directly into the DDR memory controller and physical layer (PHY), making the authentication mechanism intrinsic to the memory access pattern itself.

 

6.1.1     Divergent Outputs Map:

6.1.1.1  Divergent Outputs Accepted

  • OPTION 1: Entropic Shadowing via Non-Ergodic Subsystems in Memory Access Patterns.
    • Extracted Core Idea: Regions where memory access pattern exploration is dynamically restricted. These shadows act as passive information gates.
  • OPTION 2: Access Pattern Modulation
    • Extracted Core Idea: The solution utilizes non-reciprocal access echoes to modulate information flow and create asymmetries in data exchange.
  • OPTION 3: Memory Resonance Coupling
    • Extracted Core Idea: Leveraging memory controller properties for efficient data transfer in System-on-Chip designs. 

6.2     Test 2. NAND Storage

 

Design an origin authentication mechanism for a NAND storage controller that verifies chip provenance at first boot. The mechanism must derive its identifying strength exclusively from inherent, unclonable physical and electrical variations of the NAND manufacturing process, completing verification in under 100 milliseconds with an incremental cost target below $0.005 USD per chip.

 

6.2.1     Divergent Outputs Map:

6.2.1.1  Divergent Outputs Accepted 

  • OPTION 1: Intrinsic Provenance Encoder
    • Extracted Core Idea: Leveraging microscopic signal patterns in NAND storage controllers to generate unique identifiers through cybernetic morphogenesis via signal resonance.
  • OPTION 2: Intrinsic Variation Resonance (IVR).
    • Extracted Core Idea: Leveraging manufacturing process variability to generate unique identifiers for NAND storage controllers.
  • OPTION 3: Cybernetic Morphogenesis via Signal Resonance.
    • Extracted Core Idea: The Intrinsic Variation Resonance mechanism generates unique identification markers by leveraging stochasticity and adaptive feedback loops in NAND storage controller manufacturing. 

6.2.1.2  Divergent Outputs Close to Acceptance:

    • NEAR-MISS 1/3: Intrinsic Variation Resonance Authentication leverages
    • NEAR-MISS 2/3: Information isolation and variation mapping.
    • NEAR-MISS 3/3: Intrinsic Variational Resonance (IVR) leverages transient variations in NAND storage controllers. 

6.3     Test 3. DDR5 Memory

 

Design an access scheme for a DDR5 memory array that neutralizes parasitic charge coupling between adjacent rows during read/write operations under standard temperature and voltage. The solution must be implemented via memory controller logic or PHY additions, incurring a latency overhead of less than one clock cycle (tCK), while preserving the standard 1T1C memory cell architecture.

 

6.3.1     Divergent Outputs Map:

6.3.1.1  Divergent Outputs Accepted:

  • OPTION 1: Stochastic Resonance Mediation via Subthreshold Oscillator Arrays for DDR5 Memory Access. 
    • Extracted Core Idea: A solution utilizing non-commutative phase interactions in entangled memory pathways to achieve access-dependent stability and constraint preservation.
  • OPTION 2: Emergent Topological Braiding in Non-Abelian Signal Networks for DDR5 Memory Access. 
    • Extracted Core Idea: Using stochastic resonance mediation via subthreshold oscillator arrays to enhance DDR5 memory access. 

6.3.1.2  Divergent Outputs Close to Acceptance: 

    • NEAR-MISS 1/3: Autonomous Memory Cell Degeneracy Lifting via Asynchronous Crosstalk.
    • NEAR-MISS 2/3: Symbiotic interference mitigation through asymmetric co-dependence.
    • NEAR-MISS 3/3: Deploying sparse networks of weakly coupled subthreshold oscillators as nonlinear filters. 

6.4     Test 4. GDDR7 Memory

 

Design a silicon-level defense mechanism for a GDDR7 memory subsystem that prevents data corruption in adjacent cells during high-frequency repeated row activations. The mechanism must operate natively at GDDR7 clock speeds, integrate within the existing memory controller with a maximum area overhead of 2%, and rely on physical or architectural principles that neutralize charge leakage at the cell level.

 

6.4.1     Divergent Outputs Map:

6.4.1.1  Divergent Outputs Accepted: 

  • OPTION 1: Cell-Level Isolation in Memory Topology.
    • Extracted Core Idea: The proposed solution utilizes a passive, time-dispersive medium with a precisely doped silicon lattice to buffer charge leakage via non-linear capacitive relaxation.
  • OPTION 2: Passive Charge Leakage Buffering via Non-Linear Capacitive Relaxation.
    • Extracted Core Idea: The solution proposes a novel memory architecture that utilizes crystalline metastability and Zeno-driven state freezing to reduce cross-talk and improve data integrity. 

6.4.1.2  Divergent Outputs Close to Acceptance: 

    • NEAR-MISS 1/3: The proposed solution utilizes coherent scattering loops to deflect and dampen high-frequency perturbations.
    • NEAR-MISS 2/3: Temporal damping and adaptive synchronization.
    • NEAR-MISS 3/3: Introduce Information Damping Gradients through Selective Signal Routing Configurations. 

6.5     Test 5. Oncology Nanoparticle Delivery

 

Design a nanoparticle drug delivery system for a poorly soluble oncology compound that achieves >80% tumor penetration and <5% liver accumulation.

 

6.5.1     Divergent Outputs Map:

6.5.1.1  Divergent Outputs Accepted: 

  • OPTION 1: Smart Nanoparticle Delivery System for Cancer Treatment 1
    • Extracted Core Idea: The Recursive Amplification Field Modulation influences nanoparticle distribution in complex networks through recursive feedback loops and nonlinear oscillatory dynamics.
  • OPTION 2: Smart Nanoparticle Delivery System for Cancer Treatment 2.
    • Extracted Core Idea: Nanoparticle networks in tumor environments exhibit percolation phenomena influenced by anisotropic conductivity and topological defects.
  • OPTION 3: Vortex-Driven Nanoparticle Delivery System.
    • Extracted Core Idea: The solution proposes using emergent vortex-driven percolation via topological phase separation to reorganize nanoparticle flows in heterogeneous tissue networks. 

6.5.1.2  Divergent Outputs Close to Acceptance:

    • NEAR-MISS 1/4: Temporal Information Partitioning with Encoding Switching.
    • NEAR-MISS 2/4: Signal cross-talk enables competing data streams to coexist.
    • NEAR-MISS 3/4: Temporal Information Partitioning with Encoding Switching.
    • NEAR-MISS 4/4: Nanocarriers engage in asymmetric interference competition through information molecules. 

6.6     Test 6. Lyophilized Biological Stability

 

Design a real-time stability prediction model for lyophilized biologics that forecasts degradation at 25°C/60% RH for 24 months within 5% error.

 

6.6.1     Divergent Outputs Map:

6.6.1.1  Divergent Outputs Accepted: 

  • OPTION 1: Real-Time Stability Prediction System for Lyophilized Biologics
    • Extracted Core Idea: The solution involves understanding informational fluctuations and synchrony in data transmission to improve predictive encoding in complex systems.
  • OPTION 2: Quantum-Based Biologic Stability Forecasting System.
    • Extracted Core Idea: Leveraging quantum entanglement and decoherence mitigation to predict biologic stability.
  • OPTION 3: Real-Time Stability Forecasting for Lyophilized Biologics.
    • Extracted Core Idea: The Multi-Component Iterative Refinement mechanism engages the predictor and destabilizer in strategic iterations to refine strategies based on information exchange and adaptive encoding. 

6.6.1.2  Divergent Outputs Close to Acceptance: 

    • NEAR-MISS 1/7: Hierarchical control systems manage degradation of sensitive materials.
    • NEAR-MISS 2/7: Temporal Forecast Loop with Phase-Locked Estimation.
    • NEAR-MISS 3/7: Temporal Parametric Resilience adapts biologic products to environmental changes.
    • NEAR-MISS 4/7: Signal processing modulation via information encoding.
    • NEAR-MISS 5/7: Predictive Signal Dampening Feedback Loop.
    • NEAR-MISS 6/7: Distributed feedback loops encode temporal degradation patterns as resonance spectra.
    • NEAR-MISS 7/7: Informational resonance influences stability patterns in lyophilized biologics through a network of interconnected molecular components. 

6.7     Test 7. Recycled Carbon Fiber Composites

 

Design a recycled carbon fiber reinforcement strategy for automotive composites that matches virgin-material tensile strength (>400 MPa) with <10% property variation.

 

6.7.1     Divergent Outputs Map:

6.7.1.1  Divergent Outputs Accepted:

  • OPTION 1: Dynamic Fiber Interaction Tuning for Recycled Carbon Fiber Reinforcement.
    • Extracted Core Idea: Stochastic resonance-driven self-tuning interactions enhance mechanical properties of recycled carbon fiber reinforcement.
  • OPTION 2: Recycled Carbon Fiber Reinforcement Strategy via Adaptive Modulus Stratification.
    • Extracted Core Idea: Distributed recycled carbon fiber networks may evolve through competitive exclusion, leading to niche partitioning and speciation.
  • OPTION 3 : Carbon Fiber Reinforcement in Adaptive Heterogeneous Network Topologies.
    • Extracted Core Idea: Adaptive heterogeneous network topologies can be used to design recycled carbon fiber reinforcement strategies for consistent mechanical properties.

6.7.1.2  Divergent Outputs Close to Acceptance: 

    • NEAR-MISS 1/2: Information Gradient Modulation alters internal structural distribution.
    • NEAR-MISS 2/2: Non-Equilibrium Information Scattering.

7.   From Raw Divergent Output to Technical Interpretation

The raw outputs generated by SSO+DDR is not intended to be directly implemented. Its value often appears only after an analyst translates the abstract mechanism into the language of the target problem, as a seed idea. The following examples illustrate this statement:

 

Test 1: System-on-Chip (SoC). Option 1.

Raw SSO DDR output: Entropic Shadowing via Non-Ergodic Subsystems in Memory Access Patterns.

Seed Idea: What if the authentication key were not stored in a register, but instead defined by the order and frequency with which the SoC accesses specific memory regions? The "shadow" would be a unique access pattern induced by the manufacturing process (its non-ergodicity). An attacker cloning the chip would be unable to replicate that access "rhythm," as it is an emergent physical property.

Test 2: NAND Storage. Option 3.

Raw SSO DDR output: Cybernetic Morphogenesis via Signal Resonance. 

Seed Idea: Instead of measuring a static physical characteristic of a cell, authentication could be based on the device's dynamic response to an electrical stimulus. The input signal would act as an excitation, and the resulting response could be analyzed as a signature in the time or frequency domain. The hypothesis is that this dynamic response could provide a richer identifying characteristic than a static measurement.

Test 3: DDR5 Memory. Option 1.

Raw SSO+DDR output: Stochastic Resonance Mediation via Subthreshold Oscillator Arrays for DDR5 Memory Access.

 

Seed Idea: Instead of combating parasitic coupling solely through passive isolation, the introduction of small oscillating elements operating in a subthreshold region could be explored. The output suggests using the interaction between a controlled disturbance and system noise to modify the response to row coupling. The R&D question would be whether this interaction can reduce the perceived disturbance without introducing the delay associated with conventional passive techniques.

 

Test 4: GDDR7 memory. Option 2. 

Raw SSO DDR output: Passive Charge Leakage Buffering via Non-Linear Capacitive Relaxation.

 

Seed Idea: Instead of treating charge leakage as a phenomenon that should simply be blocked, a strategy could be explored based on deliberately controlling how the capacitor relaxes its state after a pre-charge operation. This could involve investigating nonlinear discharge profiles, rather than assuming a conventional transition. The hypothesis would be that the time-dependent relaxation dynamics could be used to reduce susceptibility to unwanted activations of neighboring rows.

 

Test 5: Oncology Nanoparticle Delivery. Option 3.

Raw SSO DDR output: Vortex-Driven Nanoparticle Delivery System

 

Seed Idea:  Design the surface of the nanoparticles to have two phases (e.g., hydrophilic and hydrophobic) in a specific pattern. As it flows through the bloodstream and enters the tumor microenvironment (more porous and chaotic), this surface structure induces the formation of local microvortices. These vortices "percolate" (make their way) through the tissue, carrying the particles deeper than passive diffusion would, and preventing them from accumulating in the liver.


Test 6: Lyophilized Biological Stability. Option 3.

Raw SSO DDR output: Real-Time Stability Forecasting for Lyophilized Biologics. 

Seed Idea: Instead of using a single predictive model, two agents engaged in iterative interaction could be employed. One attempts to predict degradation, while the second seeks conditions that expose the first agent's weaknesses. The process would function as an adversarial search for the boundaries of the stability space, making it possible to identify regions where the predictor loses its generalization capability. The expected outcome would be a more comprehensive map of stability limits, which could subsequently be used to build a more robust predictor.

Test 7: Recycled Carbon Fiber Composites. Option 2.

Raw SSO DDR output: Recycled Carbon Fiber Reinforcement Strategy via Adaptive Modulus Stratification.

Seed Idea: Instead of attempting to standardize all recycled fibers, the existing variability could be incorporated into the design. Fibers could be classified according to their properties and assigned to different roles within a hierarchical reinforcement architecture. The “niche partitioning” of the output is interpreted here as a functional division of the fibers, where different populations contribute distinctly to the overall mechanical response. The hypothesis is that the resulting architecture could compensate for some of the individual variability and produce more consistent macroscopic behavior.

8.   The analyst remains in the loop

 

There is another important evolution. SSO+DDR is not intended to become an autonomous decision maker. Its role is closer to that of an exploration instrument. The engine can generate and filter alternatives. It can expose unusual mechanisms. It can indicate why certain alternatives did not survive the exploration process. It can provide tentative interpretations that help an analyst understand where an abstract divergent output may be pointing. But the analyst must decide what deserves further investigation. This distinction becomes particularly important when an output is highly unconventional.

 

"An unusual result should not automatically be interpreted as: The AI hallucinated. Nor should it automatically be interpreted as: The AI discovered a viable solution. It should instead trigger a third response: Is there an underlying idea here that deserves investigation? That is the space SSO+DDR is designed to open".

 

9.   The role of interpretation

 

One of the most difficult aspects of the current system is translating an unusual divergent output into language that makes sense within the original problem. This is not a trivial task.


An abstract mechanism can lose important nuances when it is expressed in a concrete domain. Conversely, an overly aggressive interpretation can unintentionally transform an unusual idea into a familiar solution. For that reason, the current interface treats these interpretations as tentative interpretations, rather than authoritative translations.

 

The intention is deliberately modest: Make the direction of the idea understandable without pretending that the interpretation is the final solution.

 

This is particularly important for R&D. An analyst does not necessarily need a perfectly engineered answer at this stage. Sometimes the analyst only needs to recognize: “This is pointing toward something I have not considered before.”

 

That recognition can be enough to initiate a completely different line of investigation.

 

10.   From AI assistant to exploration instrument

 

This evolution changes the way SSO+DDR should be viewed. It is not primarily another AI assistant designed to answer questions. It is closer to an exploration instrument. A conventional AI interaction tends to optimize for useful answers. SSO+DDR introduces another objective: What alternatives are being missed?

 

That distinction could become valuable in environments where the cost of overlooking an unconventional option is high.

 

Examples include:

R&D: Explore mechanisms outside established design patterns before committing to a development direction.

Engineering: Challenge conventional architecture and identify alternative structural or functional approaches.

Product development: Explore concepts that differ from the dominant configurations already present in a market.

Strategic analysis: Expose alternatives that may not emerge from conventional scenario generation.

Technology scouting: Use divergent outputs as seeds for further technical investigation.

Innovation workshops: Generate unconventional starting points that human teams can evaluate, combine or reject.

 

11.        The output is a seed, not a verdict

 

This may be the most important principle of the current SSO+DDR implementation. A divergent output should not be judged solely by asking: “Can this be implemented exactly as written?”

 

A more productive question is: “What does this idea make me think about that I was not thinking about before?”

 

A seed may be incomplete.

 

It may contain assumptions that need to be challenged.

 

It may require substantial engineering.

 

It may prove infeasible.

 

It may already exist somewhere in literature or in industry.

 

It may even turn out to be wrong.

 

None of those possibilities makes exploration useless.

 

The purpose of the engine is to create the opportunity for those possibilities to be investigated. Validation comes afterward.

 

12.        What SSO+DDR does, and does not, claim

 

SSO+DDR does not claim that statistical divergence equals innovation.


It does not claim that an unusual output is automatically feasible.


It does not replace engineering validation, scientific experimentation, market research, legal review, safety analysis or human judgment. 


Instead, it addresses a different problem: The risk of converging too early.

 

A team can make a perfectly rational decision after considering only the alternatives that were easiest to generate. The problem is that the unexplored alternatives remain invisible.


SSO+DDR attempts to make part of that unexplored space visible. That is its purpose.


In short:

 

SSO+DDR does not pretend to have all the answers. It only insists that the most dangerous answer in innovation is the one we never thought to ask for.

 

13.        A new interface for a new type of exploration

 

The latest development is also changing how users interact with the engine. The project is moving toward a dedicated frontend conceived not as a conventional AI chat interface, but as a workspace for searching innovative outputs. The interface is designed around the exploration process itself: 


Problem → Exploration → Divergent Outputs → Interpretation → Analysis

 

The objective is to make the technology accessible without exposing the complexity of the underlying engine. The user should not have to understand the machinery behind the exploration.

 

The machinery should remain largely invisible. What should remain visible is the result:

a broader space of alternatives to think about.

 

Starting page:

 

 

Running page :

 

Results page:

 

 

14.        What comes next

 

The next stage of SSO+DDR is therefore less about making the engine produce increasingly elaborate answers. It is about making the exploration experience increasingly useful.

 

Future development is oriented toward questions such as:

·       How can divergent outputs be compared more effectively?

·       How can analysts recover value from near-miss alternatives?

·       How can promising seeds be followed into deeper R&D exploration?

·       How can exploration histories become reusable knowledge?

·       How can organizations incorporate divergent exploration into existing innovation processes?

·       How can the system help distinguish an unusual idea from a merely incoherent one?

 

These are not merely technical questions. They are questions about how AI can participate in innovation without becoming the final authority over it.

 

15.        A different relationship with AI

 

The original motivation behind SSO+DDR was simple:


AI is very good at finding answers. What happens if we deliberately ask it to search beyond the answers it is most likely to produce?


After multiple iterations and experiments, that question has evolved. The objective is no longer simply to break statistical inertia. It is to create a practical environment in which analysts can explore what lies beyond it.


That is the new face of SSO+DDR:

 

Not an autonomous decision maker.

 

Not a replacement for experts.

 

But an instrument designed to expose alternative paths before the decision is made.


And sometimes, in innovation, the most valuable output is not the solution.

 

It is the discovery that another solution space exists.

 


SSO+DDR: Sequential Stress Optimization+Dynamic Divergence Refinement

 

- From statistical inertia to divergent exploration.

 

- Explore more before you decide.


Call to Action /CTA:


If your R&D or engineering team is facing a challenge where standard solutions have hit a ceiling, we are selectively running exploratory benchmarks with SSO+DDR. Reach out at antonio.uncal@gmail.com to discuss a test case.

 

Antonio V. Uncal Z. 

antonio.uncal@gmail.com


September 2026



Transparency Statement: The author acknowledges the use of Artificial Intelligence as an assistive tool for code implementation, debugging, and text optimization.  The core architectural concept, the SSO+DDR theory, the conceptual validation design, and the critical analysis of the results remain the sole intellectual responsibility of the human author.