Pith Number

pith:RJJGB45G

pith:2012:RJJGB45GVO6MTFT54TQLEFKNS2

not attested not anchored not stored refs pending

Extending Partial Representations of Subclasses of Chordal Graphs

Jan Kratochvil, Pavel Klavik, Toshiki Saitoh, Yota Otachi

arxiv:1207.0255 v2 · 2012-07-01 · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RJJGB45GVO6MTFT54TQLEFKNS2}

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	2026-05-18T03:25:16.246811Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a5260f3a6abbcc9967de4e0b2154d96853d91c6ab125a2ee968c291d2cec746

Aliases

arxiv: 1207.0255 · arxiv_version: 1207.0255v2 · doi: 10.48550/arxiv.1207.0255 · pith_short_12: RJJGB45GVO6M · pith_short_16: RJJGB45GVO6MTFT5 · pith_short_8: RJJGB45G

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/RJJGB45GVO6MTFT54TQLEFKNS2 \
  | 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: 8a5260f3a6abbcc9967de4e0b2154d96853d91c6ab125a2ee968c291d2cec746

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d2fea28e17db0d91a724858e347ad32159f484621b2869c15165f6367907816",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2012-07-01T23:47:02Z",
    "title_canon_sha256": "9d99693b396621a64f1302a898981d6bc9fd4893796bf453333d81fbc1a854d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.0255",
    "kind": "arxiv",
    "version": 2
  }
}