Pith Number

pith:IVBQRSOX

pith:2026:IVBQRSOX4UTC4HFVPB6HL5GDAE

not attested not anchored not stored refs pending

On a cross coupling of Rulkov neural maps

Stefano Disca

arxiv:2607.22318 v1 · 2026-07-24 · nlin.CD · math.DS · q-bio.NC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IVBQRSOX4UTC4HFVPB6HL5GDAE}

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	2026-07-27T01:20:59.683717Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

454308c9d7e5262e1cb5787c75f4c301188343af2cbae953d3ddf8165ae80bfc

Aliases

arxiv: 2607.22318 · arxiv_version: 2607.22318v1 · doi: 10.48550/arxiv.2607.22318 · pith_short_12: IVBQRSOX4UTC · pith_short_16: IVBQRSOX4UTC4HFV · pith_short_8: IVBQRSOX

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/IVBQRSOX4UTC4HFVPB6HL5GDAE \
  | 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: 454308c9d7e5262e1cb5787c75f4c301188343af2cbae953d3ddf8165ae80bfc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7dedfc130e9775b9e7fe34fb48cb03f1b6767fb4c4cbbe2581528eca0aeaaab",
    "cross_cats_sorted": [
      "math.DS",
      "q-bio.NC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.CD",
    "submitted_at": "2026-07-24T13:58:13Z",
    "title_canon_sha256": "0a8a874bb6da04fff9b0c5f27080fa498f04eba43a3458d2c9688225abceb8bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.22318",
    "kind": "arxiv",
    "version": 1
  }
}