Pith Number

pith:4VWQF7CG

pith:2004:4VWQF7CG366JZTTSZQ3KHCZHKN

not attested not anchored not stored refs pending

Generalizations of McShane's identity to hyperbolic cone-surfaces

Ser Peow Tan, Yan Loi Wong, Ying Zhang

arxiv:math/0404226 v1 · 2004-04-12 · math.GT · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4VWQF7CG366JZTTSZQ3KHCZHKN}

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	2026-07-04T14:49:05.810100Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e56d02fc46dfbc9cce72cc36a38b27536f6a40769800a8374a9ba8d4ea1a430f

Aliases

arxiv: math/0404226 · arxiv_version: math/0404226v1 · doi: 10.48550/arxiv.math/0404226 · pith_short_12: 4VWQF7CG366J · pith_short_16: 4VWQF7CG366JZTTS · pith_short_8: 4VWQF7CG

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/4VWQF7CG366JZTTSZQ3KHCZHKN \
  | 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: e56d02fc46dfbc9cce72cc36a38b27536f6a40769800a8374a9ba8d4ea1a430f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8965eb2a1d2d6fc6925f468279d5c3e4eab349a9934562e19e50f37aab3c974",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "",
    "primary_cat": "math.GT",
    "submitted_at": "2004-04-12T07:32:15Z",
    "title_canon_sha256": "d7bb806a4aba534dc723cbea63153e2694f2c2749af016e235c19efc54c61ca8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0404226",
    "kind": "arxiv",
    "version": 1
  }
}