Pith Number

pith:3CWC7MGS

pith:2015:3CWC7MGSNSRJRVWFOASX2NGEVH

not attested not anchored not stored refs pending

Rainbow domination and related problems on some classes of perfect graphs

Hsian-Hsuan Liu, Hung-Lung Wang, Ton Kloks, Wing-Kai Hon

arxiv:1502.07492 v1 · 2015-02-26 · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3CWC7MGSNSRJRVWFOASX2NGEVH}

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	2026-05-18T02:26:03.548855Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8ac2fb0d26ca298d6c570257d34c4a9e58a172e3c27cf61db487943778aa30e

Aliases

arxiv: 1502.07492 · arxiv_version: 1502.07492v1 · doi: 10.48550/arxiv.1502.07492 · pith_short_12: 3CWC7MGSNSRJ · pith_short_16: 3CWC7MGSNSRJRVWF · pith_short_8: 3CWC7MGS

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/3CWC7MGSNSRJRVWFOASX2NGEVH \
  | 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: d8ac2fb0d26ca298d6c570257d34c4a9e58a172e3c27cf61db487943778aa30e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58a43f3de7ac0426b26892c8c5d40751d332d18dc4d81be3b9137efec3a31cf9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2015-02-26T10:28:43Z",
    "title_canon_sha256": "44bc71dd2877ed42bdf28ca9315b71b8bd8347930e2df3634205fcab857b9b75"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.07492",
    "kind": "arxiv",
    "version": 1
  }
}