Pith Number

pith:O3NUHH2A

pith:2004:O3NUHH2AH2256QU3EYJKHZOVOO

not attested not anchored not stored refs pending

Ramanujan and Extensions and Contractions of Continued Fractions

James Mc Laughlin, Nancy J. Wyshinski

arxiv:math/0402463 v1 · 2004-02-27 · math.NT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O3NUHH2AH2256QU3EYJKHZOVOO}

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	2026-05-17T23:57:10.662403Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76db439f403eb5df429b2612a3e5d573ad239ca1d5b6870a2ccbae5f13feaaa1

Aliases

arxiv: math/0402463 · arxiv_version: math/0402463v1 · doi: 10.48550/arxiv.math/0402463 · pith_short_12: O3NUHH2AH225 · pith_short_16: O3NUHH2AH2256QU3 · pith_short_8: O3NUHH2A

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/O3NUHH2AH2256QU3EYJKHZOVOO \
  | 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: 76db439f403eb5df429b2612a3e5d573ad239ca1d5b6870a2ccbae5f13feaaa1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3aed855b91eae05736c8b8c7a6d0376d891d9265dca2bc77f4d4129de76a894b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.NT",
    "submitted_at": "2004-02-27T18:52:01Z",
    "title_canon_sha256": "99f41cb76566960c28188717dd339acd30fabb7eb9da1ee29468cb4032e67ba4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0402463",
    "kind": "arxiv",
    "version": 1
  }
}