Pith Number

pith:QMK2FSCV

pith:2012:QMK2FSCV6IMNRAN72JMJZNJF36

not attested not anchored not stored refs pending

Approximate pattern matching with k-mismatches in packed text

Emanuele Giaquinta, Kimmo Fredriksson, Szymon Grabowski

arxiv:1211.5433 v3 · 2012-11-23 · 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{QMK2FSCV6IMNRAN72JMJZNJF36}

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	2026-05-18T03:17:11.786576Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8315a2c855f218d881bfd2589cb525df95a445aecdead839d7635083ec63d83b

Aliases

arxiv: 1211.5433 · arxiv_version: 1211.5433v3 · doi: 10.48550/arxiv.1211.5433 · pith_short_12: QMK2FSCV6IMN · pith_short_16: QMK2FSCV6IMNRAN7 · pith_short_8: QMK2FSCV

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/QMK2FSCV6IMNRAN72JMJZNJF36 \
  | 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: 8315a2c855f218d881bfd2589cb525df95a445aecdead839d7635083ec63d83b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f537b61131919c6130d8bf722da63cae8fd1dee7828e2e8282fa2b5280fee613",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2012-11-23T08:30:45Z",
    "title_canon_sha256": "4f68a1f0b68998cf21f4220d900e37fd108380d0d6e43bcb92a1330cb0d1d9d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.5433",
    "kind": "arxiv",
    "version": 3
  }
}