Pith Number

pith:6M6CTFHL

pith:2013:6M6CTFHL4C6CD5WBEVLZXPX32C

not attested not anchored not stored refs pending

Beating O(nm) in approximate LZW-compressed pattern matching

Damian Straszak, Pawel Gawrychowski

arxiv:1308.6509 v2 · 2013-08-29 · 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{6M6CTFHL4C6CD5WBEVLZXPX32C}

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	2026-05-18T03:12:47.917502Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f33c2994ebe0bc21f6c125579bbefbd098bca9e140a37ac780397490492a839b

Aliases

arxiv: 1308.6509 · arxiv_version: 1308.6509v2 · doi: 10.48550/arxiv.1308.6509 · pith_short_12: 6M6CTFHL4C6C · pith_short_16: 6M6CTFHL4C6CD5WB · pith_short_8: 6M6CTFHL

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/6M6CTFHL4C6CD5WBEVLZXPX32C \
  | 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: f33c2994ebe0bc21f6c125579bbefbd098bca9e140a37ac780397490492a839b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f7fc979ff294adff15b8e0fb47eb3410f6d0364583fab2b80c95944c698095b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2013-08-29T16:16:45Z",
    "title_canon_sha256": "86d5d3ce3089c826dd0b5a03ae87c65c944c397b2b704dbb43435df0bf8d2fca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.6509",
    "kind": "arxiv",
    "version": 2
  }
}