Pith Number

pith:KA4CAUTM

pith:2013:KA4CAUTMOE6WGA4DADGEZORFMU

not attested not anchored not stored refs pending

A characterization of triangulations of closed surfaces

Isabel Hubard, Javier Bracho, Jorge Arocha, Natalia Garcia-Colin

arxiv:1303.3674 v1 · 2013-03-15 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KA4CAUTMOE6WGA4DADGEZORFMU}

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	2026-05-18T03:30:52.704378Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

503820526c713d63038300cc4cba25653c4715912549e8f73128218144803554

Aliases

arxiv: 1303.3674 · arxiv_version: 1303.3674v1 · doi: 10.48550/arxiv.1303.3674 · pith_short_12: KA4CAUTMOE6W · pith_short_16: KA4CAUTMOE6WGA4D · pith_short_8: KA4CAUTM

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/KA4CAUTMOE6WGA4DADGEZORFMU \
  | 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: 503820526c713d63038300cc4cba25653c4715912549e8f73128218144803554

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a891146f5c80ccc21ab1ad7d3333a75ca7affdfb132bd00e757c8c57f963318",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-03-15T04:27:46Z",
    "title_canon_sha256": "fe9962a903b973210dc33c105bfd26fb9f0ce16808bf105bac18d4c95adc137a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.3674",
    "kind": "arxiv",
    "version": 1
  }
}