Pith Number

pith:B46AMD6Y

pith:2013:B46AMD6YD37UYHJVPKHZHIWM26

not attested not anchored not stored refs pending

Graphes parfaits : structure et algorithmes

Nicolas Trotignon

arxiv:1309.0119 v1 · 2013-08-31 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B46AMD6YD37UYHJVPKHZHIWM26}

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	2026-05-18T03:14:28.818378Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f3c060fd81eff4c1d357a8f93a2ccd78c71793f162a8b989bf212bc8d0bbcc1

Aliases

arxiv: 1309.0119 · arxiv_version: 1309.0119v1 · doi: 10.48550/arxiv.1309.0119 · pith_short_12: B46AMD6YD37U · pith_short_16: B46AMD6YD37UYHJV · pith_short_8: B46AMD6Y

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/B46AMD6YD37UYHJVPKHZHIWM26 \
  | 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: 0f3c060fd81eff4c1d357a8f93a2ccd78c71793f162a8b989bf212bc8d0bbcc1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b928f99814ed116cf790ff50be58574d00b2a8392dbfc76d8751681aae0bd7bc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-08-31T14:17:06Z",
    "title_canon_sha256": "1a9e4753a6624a87f3e9d236192e7e936bf3a36b869e47a70bedb078c9ef5f3a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.0119",
    "kind": "arxiv",
    "version": 1
  }
}