Pith Number

pith:7I3RTV3D

pith:2012:7I3RTV3DAOZFUUL6LFSTEEPVWT

not attested not anchored not stored refs pending

Cross-Document Pattern Matching

Gregory Kucherov, Tatiana Starikovskaya, Yakov Nekrich

arxiv:1202.4076 v1 · 2012-02-18 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7I3RTV3DAOZFUUL6LFSTEEPVWT}

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	2026-05-18T03:53:06.776699Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa3719d76303b25a517e59653211f5b4f0f4a383e7b3049aac9e9f1f6104e5d3

Aliases

arxiv: 1202.4076 · arxiv_version: 1202.4076v1 · doi: 10.48550/arxiv.1202.4076 · pith_short_12: 7I3RTV3DAOZF · pith_short_16: 7I3RTV3DAOZFUUL6 · pith_short_8: 7I3RTV3D

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/7I3RTV3DAOZFUUL6LFSTEEPVWT \
  | 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: fa3719d76303b25a517e59653211f5b4f0f4a383e7b3049aac9e9f1f6104e5d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb33aa5cabb57996d9740cefa6ff95aff3e070c4eefe74a7e2509bbe587d80c7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2012-02-18T13:31:36Z",
    "title_canon_sha256": "f4e00a791e8b914d9a8836122bce39633c24bc9ec0369cdde3e24eaa9a566ed1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.4076",
    "kind": "arxiv",
    "version": 1
  }
}