Pith Number

pith:CQ2YVSZJ

pith:2009:CQ2YVSZJ6RT5CW7PLJPZF52MDT

not attested not anchored not stored refs pending

Omnibus Sequences, Coupon Collection, and Missing Word Counts

Anant P. Godbole, Greg Brockman, Stephanie Sapp, Sunil Abraham

arxiv:0905.4517 v1 · 2009-05-27 · math.PR · 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{CQ2YVSZJ6RT5CW7PLJPZF52MDT}

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	2026-05-18T03:58:05.169966Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

14358acb29f467d15bef5a5f92f74c1cd5eb7f1d0a45d8825342c2d6fca315b1

Aliases

arxiv: 0905.4517 · arxiv_version: 0905.4517v1 · doi: 10.48550/arxiv.0905.4517 · pith_short_12: CQ2YVSZJ6RT5 · pith_short_16: CQ2YVSZJ6RT5CW7P · pith_short_8: CQ2YVSZJ

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/CQ2YVSZJ6RT5CW7PLJPZF52MDT \
  | 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: 14358acb29f467d15bef5a5f92f74c1cd5eb7f1d0a45d8825342c2d6fca315b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9efd6026ceaed75aedd3c112784363a5ef24bdcbe18095f6b170ec4dc2b47dfa",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2009-05-27T20:55:21Z",
    "title_canon_sha256": "6002da06fc237ce2b81a3d9dc5ea0309f7a04f8c4e149a8025e2b91e92f9d0c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.4517",
    "kind": "arxiv",
    "version": 1
  }
}