Pith Number

pith:24KVTR2K

pith:2018:24KVTR2K2JZRWDUKAMW5356YPD

not attested not anchored not stored refs pending

Finding a Small Number of Colourful Components

Daniel Paulusma, Guillaume Fertin, Konrad K. Dabrowski, Laurent Bulteau, Matthew Johnson, Stephane Vialette

arxiv:1808.03561 v1 · 2018-08-10 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{24KVTR2K2JZRWDUKAMW5356YPD}

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	2026-05-18T00:08:24.670779Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d71559c74ad2731b0e8a032dddf7d878f59a0301018108419583f0ace823b2ea

Aliases

arxiv: 1808.03561 · arxiv_version: 1808.03561v1 · doi: 10.48550/arxiv.1808.03561 · pith_short_12: 24KVTR2K2JZR · pith_short_16: 24KVTR2K2JZRWDUK · pith_short_8: 24KVTR2K

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/24KVTR2K2JZRWDUKAMW5356YPD \
  | 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: d71559c74ad2731b0e8a032dddf7d878f59a0301018108419583f0ace823b2ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51afdd02c0702339b78a7135b66e75b4ac615e58d946ef9a1c79415432412bfa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-08-10T14:26:29Z",
    "title_canon_sha256": "7c6fc599e00434fc54f3a075617ef6922137da8cd6bdb39a55dd83d802ab9266"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.03561",
    "kind": "arxiv",
    "version": 1
  }
}