Pith Number

pith:B64K6SQZ

pith:2015:B64K6SQZPURIBMNPLFAHZXEPQ5

not attested not anchored not stored refs pending

Encoding toroidal triangulations

Benjamin L\'ev\^eque, Daniel Gon\c{c}alves, Vincent Despr\'e

arxiv:1507.05461 v1 · 2015-07-20 · cs.DM · cs.CG · 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{B64K6SQZPURIBMNPLFAHZXEPQ5}

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	2026-05-18T01:36:36.743451Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0fb8af4a197d2280b1af59407cdc8f8757f73b28466dba751a055d44c65d052b

Aliases

arxiv: 1507.05461 · arxiv_version: 1507.05461v1 · doi: 10.48550/arxiv.1507.05461 · pith_short_12: B64K6SQZPURI · pith_short_16: B64K6SQZPURIBMNP · pith_short_8: B64K6SQZ

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/B64K6SQZPURIBMNPLFAHZXEPQ5 \
  | 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: 0fb8af4a197d2280b1af59407cdc8f8757f73b28466dba751a055d44c65d052b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db337a9c4fc30644f760491a36ed4505afd9a54a510eecd52318808ddfeeadc6",
    "cross_cats_sorted": [
      "cs.CG",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2015-07-20T12:06:04Z",
    "title_canon_sha256": "2ae8701028f80f30f16f459f1a902b68f811a80efd36f27c0ddf79cefff993aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.05461",
    "kind": "arxiv",
    "version": 1
  }
}