Pith Number

pith:KX73OYWF

pith:2010:KX73OYWFXZG33S7EKYINCFNDXC

not attested not anchored not stored refs pending

Counting dependent and independent strings

Marius Zimand

arxiv:1006.1315 v1 · 2010-06-07 · 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{KX73OYWFXZG33S7EKYINCFNDXC}

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	2026-05-18T02:06:56.571045Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

55ffb762c5be4dbdcbe45610d115a3b89882c99c12e2897e6776b961e82fedf5

Aliases

arxiv: 1006.1315 · arxiv_version: 1006.1315v1 · doi: 10.48550/arxiv.1006.1315 · pith_short_12: KX73OYWFXZG3 · pith_short_16: KX73OYWFXZG33S7E · pith_short_8: KX73OYWF

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/KX73OYWFXZG33S7EKYINCFNDXC \
  | 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: 55ffb762c5be4dbdcbe45610d115a3b89882c99c12e2897e6776b961e82fedf5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d5439a8a9c2db771e9120b2d812173329685b48fd353af1bb130ca53d2a96009",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2010-06-07T18:21:10Z",
    "title_canon_sha256": "ad4e0785fbe36c9fd4efae3821ad14982661744720e0a6ce00f5a2a4a12d9186"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1006.1315",
    "kind": "arxiv",
    "version": 1
  }
}