Pith Number

pith:JVCXDZJC

pith:2013:JVCXDZJCVI4GS4E5BEFPU3MVU5

not attested not anchored not stored refs pending

On the chromatic number of a simplicial complex

Konstantin Golubev

arxiv:1306.4818 v2 · 2013-06-20 · 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{JVCXDZJCVI4GS4E5BEFPU3MVU5}

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	2026-05-17T23:44:38.575137Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4d4571e522aa3869709d090afa6d95a7737523a04b166bffd2e04e8e609d177d

Aliases

arxiv: 1306.4818 · arxiv_version: 1306.4818v2 · doi: 10.48550/arxiv.1306.4818 · pith_short_12: JVCXDZJCVI4G · pith_short_16: JVCXDZJCVI4GS4E5 · pith_short_8: JVCXDZJC

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/JVCXDZJCVI4GS4E5BEFPU3MVU5 \
  | 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: 4d4571e522aa3869709d090afa6d95a7737523a04b166bffd2e04e8e609d177d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8117996cbaf05d28dd69a6bdef3d7b03aab4674bafddb2ab7cec1137d99a53b3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-06-20T11:07:34Z",
    "title_canon_sha256": "050a2dbbe213a67dac8de997482f19c418aae23bc7bf47f97a0c544d84d2b25a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.4818",
    "kind": "arxiv",
    "version": 2
  }
}