pith. sign in
Pith Number

pith:7IDOKEYD

pith:2011:7IDOKEYDSJBJVOK7IHO7JCJPCN
not attested not anchored not stored refs pending

Enumeration schemes for vincular patterns

Andrew M. Baxter, Lara K. Pudwell

arxiv:1108.2642 v2 · 2011-08-12 · math.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{7IDOKEYDSJBJVOK7IHO7JCJPCN}

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 2026-05-18T04:04:33.264001Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

fa06e5130392429ab95f41ddf4892f135b759c476dd141b97497bd906080d59b

Aliases

arxiv: 1108.2642 · arxiv_version: 1108.2642v2 · doi: 10.48550/arxiv.1108.2642 · pith_short_12: 7IDOKEYDSJBJ · pith_short_16: 7IDOKEYDSJBJVOK7 · pith_short_8: 7IDOKEYD
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/7IDOKEYDSJBJVOK7IHO7JCJPCN \
  | 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: fa06e5130392429ab95f41ddf4892f135b759c476dd141b97497bd906080d59b
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "50fea59acb63c9a8e7511617521f3e5dd0bc19283a8b4fb293c4ca824b341b5a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2011-08-12T15:27:40Z",
    "title_canon_sha256": "ad7a6d029f1cd8d6db017f1bf196cc1f225a39ad517a5c5188b66392748af66f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.2642",
    "kind": "arxiv",
    "version": 2
  }
}