Pith Number

pith:3R2QIJZ6

pith:2025:3R2QIJZ6X56HXQC6FSFLUGDQ2A

not attested not anchored not stored refs pending

Semantic and episodic memories in a predictive coding model of the neocortex

Fr\'ed\'eric Alexandre (Mnemosyne), Lucie Fontaine (Mnemosyne)

arxiv:2509.01987 v1 · 2025-09-02 · cs.LG · cs.NE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3R2QIJZ6X56HXQC6FSFLUGDQ2A}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T12:03:12.249732Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc7504273ebf7c7bc05e2c8aba1870d0170f3fddf9a7dbf796721326671d487c

Aliases

arxiv: 2509.01987 · arxiv_version: 2509.01987v1 · doi: 10.48550/arxiv.2509.01987 · pith_short_12: 3R2QIJZ6X56H · pith_short_16: 3R2QIJZ6X56HXQC6 · pith_short_8: 3R2QIJZ6

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/3R2QIJZ6X56HXQC6FSFLUGDQ2A \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: dc7504273ebf7c7bc05e2c8aba1870d0170f3fddf9a7dbf796721326671d487c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10e88445511c4f128014745d9dc2b7780265df1291e4dbf306bb7cf7140ec043",
    "cross_cats_sorted": [
      "cs.NE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-09-02T06:13:16Z",
    "title_canon_sha256": "09282990df4a50b5551eda9d6a3279daec0b7763e442d2149f4bfa9ef4b94116"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.01987",
    "kind": "arxiv",
    "version": 1
  }
}