Pith Number

pith:74537LTH

pith:2010:74537LTH27EIBOY4QSJT6TQLEV

not attested not anchored not stored refs pending

Vertex colorings of simplicial complexes

Dietrich Notbohm, Jesper M. M{\o}ller, Natalia Dobrinskaya

arxiv:1007.0710 v1 · 2010-07-05 · math.AT · 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{74537LTH27EIBOY4QSJT6TQLEV}

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	2026-05-18T04:39:18.169273Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff3bbfae67d7c880bb1c84933f4e0b2579368390183e6668aa24808b4246ca30

Aliases

arxiv: 1007.0710 · arxiv_version: 1007.0710v1 · doi: 10.48550/arxiv.1007.0710 · pith_short_12: 74537LTH27EI · pith_short_16: 74537LTH27EIBOY4 · pith_short_8: 74537LTH

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/74537LTH27EIBOY4QSJT6TQLEV \
  | 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: ff3bbfae67d7c880bb1c84933f4e0b2579368390183e6668aa24808b4246ca30

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "930eb8a86ef0f37b2f0062b2892972011cb10a2a8e7206d40409026069f2d8c0",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2010-07-05T16:07:51Z",
    "title_canon_sha256": "97eb6945aeedcd2131420c92224fe0c840bad7483e4dc95a7967d74f114d849e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.0710",
    "kind": "arxiv",
    "version": 1
  }
}