Pith Number

pith:KDBNQI77

pith:2015:KDBNQI77DLUZE4UTYL3PXCYIEI

not attested not anchored not stored refs pending

Full subgraphs

Jacques Verstra\"ete, Klas Markstr\"om, Victor Falgas-Ravry

arxiv:1505.03072 v2 · 2015-05-12 · math.CO · 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{KDBNQI77DLUZE4UTYL3PXCYIEI}

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	2026-05-18T01:01:42.386876Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50c2d823ff1ae9927293c2f6fb8b08222c779a0086c98edf840199432912c4ab

Aliases

arxiv: 1505.03072 · arxiv_version: 1505.03072v2 · doi: 10.48550/arxiv.1505.03072 · pith_short_12: KDBNQI77DLUZ · pith_short_16: KDBNQI77DLUZE4UT · pith_short_8: KDBNQI77

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/KDBNQI77DLUZE4UTYL3PXCYIEI \
  | 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: 50c2d823ff1ae9927293c2f6fb8b08222c779a0086c98edf840199432912c4ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e49afb80fd1d369aac90b348f95809de1a014c8289d6af4868bc76ce6b271a7a",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-05-12T15:58:41Z",
    "title_canon_sha256": "948a5d4fc25202f42769a0a8cd960ac38a1f0f22248c32c71ecab163e0a100ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.03072",
    "kind": "arxiv",
    "version": 2
  }
}