Pith Number

pith:BAB3YGVN

pith:1998:BAB3YGVNKUWJNWIQGGIKTNDRPW

not attested not anchored not stored refs pending

The Gambier Mapping, Revisited

A. Ramani, B. Grammaticos, S. Lafortune

arxiv:solv-int/9804011 v1 · 1998-04-10 · solv-int · nlin.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BAB3YGVNKUWJNWIQGGIKTNDRPW}

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	2026-05-18T01:37:51.938567Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0803bc1aad552c96d9103190a9b4717da9d099d0038d5f4cf618218eb5ef1d50

Aliases

arxiv: solv-int/9804011 · arxiv_version: solv-int/9804011v1 · doi: 10.48550/arxiv.solv-int/9804011 · pith_short_12: BAB3YGVNKUWJ · pith_short_16: BAB3YGVNKUWJNWIQ · pith_short_8: BAB3YGVN

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/BAB3YGVNKUWJNWIQGGIKTNDRPW \
  | 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: 0803bc1aad552c96d9103190a9b4717da9d099d0038d5f4cf618218eb5ef1d50

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7711c253de9fe45d23e5961fb8583fb253b35ea300b98d78ea0fce25202ea60",
    "cross_cats_sorted": [
      "nlin.SI"
    ],
    "license": "",
    "primary_cat": "solv-int",
    "submitted_at": "1998-04-10T14:12:35Z",
    "title_canon_sha256": "bf28a1d0d8f11f1be2fa99c0014e8596c48baccd6518689462a8eb8c093856ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "solv-int/9804011",
    "kind": "arxiv",
    "version": 1
  }
}