Pith Number

pith:OGUWTNNU

pith:2007:OGUWTNNUXPTTPI4GO33FSILNJI

not attested not anchored not stored refs pending

Faster subsequence recognition in compressed strings

Alexander Tiskin

arxiv:0707.3407 v4 · 2007-07-23 · cs.DS · cs.CC · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OGUWTNNUXPTTPI4GO33FSILNJI}

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	2026-05-18T04:09:15.489687Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

71a969b5b4bbe737a38676f659216d4a202d690407ddae0ff561bfaab2483bb4

Aliases

arxiv: 0707.3407 · arxiv_version: 0707.3407v4 · doi: 10.48550/arxiv.0707.3407 · pith_short_12: OGUWTNNUXPTT · pith_short_16: OGUWTNNUXPTTPI4G · pith_short_8: OGUWTNNU

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/OGUWTNNUXPTTPI4GO33FSILNJI \
  | 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: 71a969b5b4bbe737a38676f659216d4a202d690407ddae0ff561bfaab2483bb4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c86501cfb13f4bef8bd079039c4d4a48648d09f9b196277c2eab17acee498cff",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.DM"
    ],
    "license": "",
    "primary_cat": "cs.DS",
    "submitted_at": "2007-07-23T16:26:24Z",
    "title_canon_sha256": "15f53995cf191097dd49d2ae791287555490e20c6dc450fd130b1498741ee4b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0707.3407",
    "kind": "arxiv",
    "version": 4
  }
}