Pith Number

pith:5TNKZ7XP

pith:2011:5TNKZ7XP3SF4X6OHTPNKQMRSE6

not attested not anchored not stored refs pending

A Faster Grammar-Based Self-Index

Juha K\"arkk\"ainen, Pawe{\l} Gawrychowski, Simon J. Puglisi, Travis Gagie, Yakov Nekrich

arxiv:1109.3954 v6 · 2011-09-19 · 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{5TNKZ7XP3SF4X6OHTPNKQMRSE6}

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	2026-05-18T03:44:36.262914Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ecdaacfeefdc8bcbf9c79bdaa832322793bce957a71be7bd631408dc88075b07

Aliases

arxiv: 1109.3954 · arxiv_version: 1109.3954v6 · doi: 10.48550/arxiv.1109.3954 · pith_short_12: 5TNKZ7XP3SF4 · pith_short_16: 5TNKZ7XP3SF4X6OH · pith_short_8: 5TNKZ7XP

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/5TNKZ7XP3SF4X6OHTPNKQMRSE6 \
  | 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: ecdaacfeefdc8bcbf9c79bdaa832322793bce957a71be7bd631408dc88075b07

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03a868ce1bf3e71df32f6f3c0d80bc16e2b07782143b881c562f6833dfdc4506",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2011-09-19T07:10:06Z",
    "title_canon_sha256": "a240b96b80ca57642e170c2dcec0eabfb4690ddef6f975760ae2869db28b091c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.3954",
    "kind": "arxiv",
    "version": 6
  }
}