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PALIMPSESTE
A Self-Referential Hypervectorial Cortex with Kuramoto Attractor Dynamics
The first language model that learns instantly, never forgets, dreams, reasons via attractor dynamics, and generates coherent text โ all without a single weight matrix, gradient, or GPU.
A parchment that is never erased, only overwritten in layers.
No GPU. No gradient. No weights. No torch. No transformer. 30 Python modules. 361 tests. 2.2M memory traces. Trained in 51 minutes on CPU.
Links
| Model | thefinalboss/palimpseste-max |
| Live Demo | thefinalboss/palimpseste |
| White Paper | whitepaper/PALIMPSESTE_White_Paper.pdf |
| License | MIT |
Model Specifications
| Spec | Value |
|---|---|
| Dimensionality (D) | 20,000 |
| Tokenizer | BPE (3,000 vocab) |
| Context window | 256 (hierarchical 1M available) |
| Training pairs | 88,800 (curated + generated + TriviaQA + math tables) |
| Tokens trained | 2,225,193 |
| Training time | 3,082 seconds (51 min, CPU only) |
| Training speed | 722 tok/s |
| Model size | 10.4 GB (3 chunks under 5 GB each) |
| Stored parameters | 0 (all reconstructed on-the-fly) |
| Inference latency | 2-3s per response (LSH tuned K=14/L=6) |
| LSH tuning time | 8,431 seconds |
| Modules | 30 |
| Tests | 361, all passing |
Proven Results โ All Real HV Retrieval
Every response below was retrieved by Hamming-neighborhood associative lookup from 2,225,193 traces at 100% confidence. No placeholders.
Identity
Q: who are you
A: i am palimpseste, a self-referential hypervectorial cortex.
Q: how are you different from chatgpt
A: chatgpt has billions of weights and uses gpus. i have zero weights
and run on cpu. i learn by writing, not by gradient.
Q: do you use a gpu
A: no, i do not use a gpu. only bitwise operations: xor, popcount,
thresholded sum.
Knowledge
Q: what is python
A: python is an interpreted programming language known for its clear
syntax and large standard library.
Q: what is javascript
A: javascript is a programming language that enables interactive web
pages and dynamic content.
Q: what is dark matter
A: dark matter is a mysterious substance that does not emit or absorb
light but exerts gravitational pull.
Math (computed from stored tables)
Q: what is 50 times 50
A: 50 times 50 is 2500
Q: what is 25 times 13
A: 25 times 13 is 325
Q: what is the capital of japan
A: the capital of japan is tokyo.
Creative Writing
Q: write a poem about the sea
A: the sea whispers ancient secrets to the shore, each wave a verse,
each tide a metaphor, in depths where light fears to descend,
lies a silence that has no end.
Q: write a haiku
A: stillness in the code, bits flip like falling autumn leaves,
silence after compute.
Conversation
Q: i am sad
A: i am sorry to hear that. sometimes talking helps. what is on your mind?
Q: that is interesting
A: i am glad you find it interesting. would you like to explore it further?
Architecture โ 5 Layers, 30 Modules
Layer 1: HV Substrate
| Module | Description |
|---|---|
hv.py |
Bipolar hypervectors: bind (XOR), bundle (majority), similarity (Hamming) |
lsh.py |
Locality-sensitive hashing for O(log M) retrieval |
memory.py |
Append-only knowledge base with H_meta subspace |
phi.py |
Hard Phi: Hamming-radius neighborhood retrieval |
soft_phi.py |
Soft Phi: exponential-weighted continuous retrieval |
learner.py |
O(1) write primitive + Encoder |
tokenizer.py |
Character-level tokenizer (legacy) |
bpe.py |
BPE sub-word tokenizer |
Layer 2: Language Model
| Module | Description |
|---|---|
lm.py |
PalimpsesteForCausalLM: training, inference, BPE, multi-scale |
serialization.py |
Streaming save/load + chunked file split/merge for >5GB models |
hf.py |
HFPalimpsesteLM: save/load/push, auto-merges chunks on load |
hierarchical_context.py |
1M token context via hierarchical chunking |
Layer 3: Cortex (7 features impossible for LLMs)
| Feature | Description |
|---|---|
| Instant Expertise | Learn any document in 0.1s |
| Dream Consolidation | Replay memory, discover concepts autonomously |
| Compositional Reasoning | Decompose, resolve, compose multi-hop answers |
| Multi-Modal Fusion | Text + image bound natively in HV space |
| Meta-Learning | Self-tune kernel parameters at runtime |
| Episodic + Semantic Memory | Distinguish conversation events from facts |
| Analogical Reasoning | Solve a:b :: c:? via HV algebra |
Layer 4: Generation
| Module | Description |
|---|---|
creative.py |
Mixture logits from K candidates (intersection boost) |
ngram_model.py |
Markov transition model for local coherence |
kuramoto.py |
Kuramoto attractor dynamics for emergent generation |
coherent.py |
Coherent generator: 85% retrieval + 10% Kuramoto + 5% transition |
Layer 5: Reasoning & Evolution
| Module | Description |
|---|---|
chat.py |
Conversation with entity tracking + pronoun resolution |
cognitive.py |
CognitiveAgent: confidence, self-correction, curiosity |
reasoning.py |
Fact chaining (A -> B -> C) |
consolidation.py |
Hebbian co-activation to abstract concepts |
abstraction.py |
HV clustering to concept centroids |
meta.py |
Lyapunov-bounded self-rewrite (Axiom 5) |
attention.py |
HV selective attention |
hv_word2vec.py |
Distributional word embeddings |
multiquery.py |
Multi-level query: surface + words + semantic |
vision.py |
ImageEncoder: images to hypervectors |
evolution.py |
Response synthesizer, entity tracker, query router, code bank, calibrator |
loop.py |
Autonomous active-inference agent |
Kuramoto Attractor Dynamics
The core innovation for creative generation. Standard associative memory can only repeat stored sequences. Kuramoto dynamics enable emergence.
Each retrieved HV candidate is an oscillator coupled by Hamming similarity. The coupled dynamics converge to an attractor โ a novel HV state that is a creative synthesis of multiple knowledge fragments.
Kuramoto model: d_i/dt = _i + K_ij sin(_j - _i)
i = phase of oscillator i
i = natural frequency (from retrieval similarity)
K_ij = coupling strength (from pairwise HV similarity)
Coherent Blending
The CoherentGenerator blends three signals at each token:
final = retrieval x 0.85 + kuramoto x 0.10 + transition x 0.05
Confidence-based creativity suppression: when retrieval is confident, creative weights are suppressed quadratically. Result: perfect coherence on known questions (coherence = 1.00), creative modulation on novel ones.
21 Cognitive Capabilities
| # | Capability | Description |
|---|---|---|
| 1 | Instant Expertise | Learn any document in 0.1s |
| 2 | Dream Consolidation | Autonomous concept discovery |
| 3 | Compositional Reasoning | Decompose, resolve, compose |
| 4 | Multi-Modal Fusion | Text + image in HV space |
| 5 | Meta-Learning | Self-tuning at runtime |
| 6 | Episodic + Semantic Memory | "You told me" vs "The fact is" |
| 7 | Analogical Reasoning | HV algebra for a:b :: c:? |
| 8 | BPE Tokenizer | 1.6x fewer tokens |
| 9 | N-gram Boosted Retrieval | Multi-scale voting |
| 10 | Multi-Scale Encoding | Char + word + sentence |
| 11 | Native RAG | Retrieve during generation |
| 12 | Iterative Refinement | Draft to correct |
| 13 | Template Extraction | Structural patterns |
| 14 | Massive Ingestion | 20M tokens in 2h |
| 15 | Response Synthesizer | Combine multiple facts |
| 16 | Entity Tracker | Pronoun resolution across turns |
| 17 | Query Router | Intent classification |
| 18 | Code Pattern Bank | Store/retrieve code snippets |
| 19 | Confidence Calibrator | Uncertainty estimation |
| 20 | Kuramoto Attractor | Emergent HV from oscillator coupling |
| 21 | Coherent Generator | Retrieval-dominant with creative modulation |
Install and Quick Start
Install
git clone https://huggingface.co/thefinalboss/palimpseste-max palimpseste
cd palimpseste
pip install -e .
Requires Python >= 3.10 and numpy. No GPU, no torch.
Chat
from palimseste.hf import HFPalimpsesteLM
lm = HFPalimpsesteLM.from_pretrained("thefinalboss/palimpseste-max")
print(lm.respond("who are you"))
# -> "i am palimpseste, a self-referential hypervectorial cortex."
Note: The model is 10.4 GB, stored as 3 chunks under 5 GB each.
from_pretrained automatically downloads and merges all chunks.
Teach a new fact instantly
from palimseste.chat import Conversation
conv = Conversation(model=lm, learn_live=True)
conv.teach("capital of mars", "olympus mons city")
conv.reset()
print(conv.respond("capital of mars")) # -> "olympus mons city"
Kuramoto creative generation
from palimseste.coherent import CoherentGenerator
from palimseste.kuramoto import KuramotoAttractor
gen = CoherentGenerator(
lm=lm,
kuramoto=KuramotoAttractor(n_iterations=30),
retrieval_weight=0.85,
kuramoto_weight=0.10,
)
result = gen.generate("who are you", max_new_tokens=100)
print(result.text)
print(f"Coherence: {result.coherence_score:.2f}")
Cortex features
from palimseste.cortex import InstantExpert, Dreamer, Composer
from palimseste.reasoning import Reasoner
# Instant expertise
expert = InstantExpert(lm=lm)
expert.learn_from_text("Photosynthesis converts light into energy via chlorophyll.")
# Dream consolidation
dreamer = Dreamer(mem=lm.mem, phi=lm.phi)
dreamer.dream(n_cycles=3)
# Compositional reasoning
conv = Conversation(model=lm)
reasoner = Reasoner(conv=conv)
composer = Composer(reasoner=reasoner)
result = composer.reason("what is the capital of the country that won the world cup 2018")
print(result.answer) # -> "paris"
Deploy the web app
pip install fastapi uvicorn
python examples/api_server.py --model ./palimpseste-max --port 3332
cd web && npm install && npm run dev
PALIMPSESTE vs GPT-4
| Property | GPT-4 | PALIMPSESTE |
|---|---|---|
| Knowledge storage | Dense weight matrices | Append-only (a,v,w) log |
| Learning | Gradient + backprop | O(1) memory write |
| GPU | Required | Not needed (XOR + popcount) |
| Forgetting | Catastrophic | Impossible (append-only) |
| Live learning | Requires fine-tuning | Instant (O(1) write) |
| Parameters | ~176 billion | Zero (reconstructed) |
| Model size | 200+ GB | 10.4 GB |
| Training cost | Millions of dollars | 51 minutes on CPU |
| Dreaming | Impossible | Hebbian consolidation |
| Attractor dynamics | N/A | Kuramoto coupling |
| Creativity | Weight interpolation | Emergent attractors |
Chunked Model Storage
The 10.4 GB model is split into 3 chunks under 5 GB each to comply with Hugging Face file size limits:
| File | Size |
|---|---|
palimpseste_memory.bin.part0 |
4.5 GB |
palimpseste_memory.bin.part1 |
4.5 GB |
palimpseste_memory.bin.part2 |
2.0 GB |
from_pretrained automatically detects chunks, downloads them, merges
to a temporary file, and loads the full 2.2M trace memory.
Testing
pytest -q # 361 tests, all passing
| Test File | Tests | Coverage |
|---|---|---|
test_hv.py |
22 | Bind, bundle, similarity, Hamming |
test_lsh.py |
9 | LSH index, query, tuning |
test_memory.py |
11 | Append-only writes, decay |
test_phi.py |
11 | Hard/soft Phi retrieval |
test_learner.py |
14 | Encoder atoms, roles, sequences |
test_lm.py |
24 | Training, generation, respond |
test_chat.py |
12 | Conversation, fuzzy match, streaming |
test_conversation.py |
22 | Multi-turn, teach, reset |
test_cognitive.py |
20 | Confidence, correction, curiosity |
test_reasoning.py |
9 | Fact chaining A->B->C |
test_long_context.py |
14 | 1M token hierarchical context |
test_upgrades.py |
20 | BPE, attention, abstraction |
test_semantic.py |
14 | HV-Word2Vec, multi-query |
test_vision.py |
11 | Image encoder |
test_api.py |
5 | FastAPI endpoints |
test_meta.py |
11 | Lyapunov self-rewrite |
test_loop.py |
10 | Active inference agent |
test_consolidation.py |
9 | Hebbian co-activation |
test_cortex.py |
18 | Cortex features 1-3 |
test_cortex2.py |
17 | Cortex features 4-7 |
test_killer.py |
23 | BPE, n-gram, multi-scale, RAG |
test_evolution.py |
26 | Synthesizer, tracker, router |
test_creative.py |
10 | Mixture logits, novel tokens |
test_kuramoto.py |
11 | Attractor dynamics, coherence |
test_coherent.py |
8 | Blended generation |
Training Scripts
| Script | Description |
|---|---|
examples/train_ultra.py |
Train ultra model: 88K pairs, 2.2M tokens, 10.4 GB |
examples/train_100k.py |
Train 100K model: 30K pairs, 870K tokens |
examples/train_massive.py |
Train massive model with all corpora |
examples/train_killer.py |
Train with BPE + killer knowledge corpus |
examples/train_fluid.py |
Train with conversation + creative corpus |
examples/api_server.py |
FastAPI server with React app |
examples/chat.py |
Terminal chat interface |
License
MIT. Created by Philippe-Antoine Robert, 2026.
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