Pith Number

pith:JHMPZIHU

pith:1995:JHMPZIHUWULBJ4DZUAUVTQWTSZ

not attested not anchored not stored refs pending

The Gambier Mapping

A. Ramani, B. Grammaticos

arxiv:solv-int/9510010 v1 · 1995-10-30 · 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{JHMPZIHUWULBJ4DZUAUVTQWTSZ}

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	2026-05-18T01:37:52.089095Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49d8fca0f4b51614f079a02959c2d3964027faf0bfca962dc29e5428e90f6859

Aliases

arxiv: solv-int/9510010 · arxiv_version: solv-int/9510010v1 · doi: 10.48550/arxiv.solv-int/9510010 · pith_short_12: JHMPZIHUWULB · pith_short_16: JHMPZIHUWULBJ4DZ · pith_short_8: JHMPZIHU

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/JHMPZIHUWULBJ4DZUAUVTQWTSZ \
  | 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: 49d8fca0f4b51614f079a02959c2d3964027faf0bfca962dc29e5428e90f6859

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f87a98c77a6b7f3ed7652ed6059a0f0f54cefb75e7f23b2d3fa9382164aaec0b",
    "cross_cats_sorted": [
      "nlin.SI"
    ],
    "license": "",
    "primary_cat": "solv-int",
    "submitted_at": "1995-10-30T13:57:59Z",
    "title_canon_sha256": "74adf42f58a7625370a9168882a4ea1d6df0f9dc1c9096b2d433eab20e6f0c38"
  },
  "schema_version": "1.0",
  "source": {
    "id": "solv-int/9510010",
    "kind": "arxiv",
    "version": 1
  }
}