Pith Number

pith:OB7BSLQ2

pith:2014:OB7BSLQ2YUOHXGL2535CQ3B23B

not attested not anchored not stored refs pending

Online Multi-Coloring with Advice

Kim S. Larsen, Lene M. Favrholdt, Marie G. Christ

arxiv:1409.1722 v1 · 2014-09-05 · 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{OB7BSLQ2YUOHXGL2535CQ3B23B}

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	2026-05-18T02:43:25.402951Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

707e192e1ac51c7b997aeefa286c3ad878f9c0a17d965c759ce610a711f1e346

Aliases

arxiv: 1409.1722 · arxiv_version: 1409.1722v1 · doi: 10.48550/arxiv.1409.1722 · pith_short_12: OB7BSLQ2YUOH · pith_short_16: OB7BSLQ2YUOHXGL2 · pith_short_8: OB7BSLQ2

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/OB7BSLQ2YUOHXGL2535CQ3B23B \
  | 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: 707e192e1ac51c7b997aeefa286c3ad878f9c0a17d965c759ce610a711f1e346

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a5b5434456f9217bc1e8a8991928141feb92fea119b27c0e4c0ce21cd73ada0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2014-09-05T10:12:01Z",
    "title_canon_sha256": "dd062f6e1a2d3e70ec3d2416c9a466af234e46054cd04b2016518ac349c565c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.1722",
    "kind": "arxiv",
    "version": 1
  }
}