Pith Number

pith:2AAVK35D

pith:2017:2AAVK35D6H42SK2CMUEOH5EJPV

not attested not anchored not stored refs pending

Some Results on the $b$-Colouring Parameters of Graphs

Johan Kok, K. P. Chithra, N. K. Sudev

arxiv:1707.00140 v1 · 2017-07-01 · math.GM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2AAVK35D6H42SK2CMUEOH5EJPV}

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	2026-05-18T00:41:04.350889Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d001556fa3f1f9a92b426508e3f4897d75fe2006d6daa7e5fb202cd28e5e361e

Aliases

arxiv: 1707.00140 · arxiv_version: 1707.00140v1 · doi: 10.48550/arxiv.1707.00140 · pith_short_12: 2AAVK35D6H42 · pith_short_16: 2AAVK35D6H42SK2C · pith_short_8: 2AAVK35D

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/2AAVK35D6H42SK2CMUEOH5EJPV \
  | 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: d001556fa3f1f9a92b426508e3f4897d75fe2006d6daa7e5fb202cd28e5e361e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c3018bbebfa5cba48d252566017162f561521df07d1351161fcae2562b46a444",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GM",
    "submitted_at": "2017-07-01T11:38:21Z",
    "title_canon_sha256": "6f1acaa64a55ace45488856e9e0ea7e90c15175687c368239f255e0330f69612"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.00140",
    "kind": "arxiv",
    "version": 1
  }
}