Pith Number

pith:RFBOU4UQ

pith:2013:RFBOU4UQDGZOQBXQZGLWXV55WS

not attested not anchored not stored refs pending

Good parts first - a new algorithm for approximate search in lexica and string databases

Klaus U. Schulz, Petar Mitankin, Stefan Gerdjikov, Stoyan Mihov

arxiv:1301.0722 v2 · 2013-01-04 · cs.CL · 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{RFBOU4UQDGZOQBXQZGLWXV55WS}

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	2026-05-18T01:25:24.894250Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8942ea729019b2e806f0c9976bd7bdb4b35c0a887609837f8d699fe0ed12b805

Aliases

arxiv: 1301.0722 · arxiv_version: 1301.0722v2 · doi: 10.48550/arxiv.1301.0722 · pith_short_12: RFBOU4UQDGZO · pith_short_16: RFBOU4UQDGZOQBXQ · pith_short_8: RFBOU4UQ

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/RFBOU4UQDGZOQBXQZGLWXV55WS \
  | 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: 8942ea729019b2e806f0c9976bd7bdb4b35c0a887609837f8d699fe0ed12b805

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53ff18a0fe0e614adf626887df729e26464b49f9d967f3efa20645253c59369b",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2013-01-04T13:45:35Z",
    "title_canon_sha256": "fa4030ed283a1996ea14ddb05c76c9513c406325019ffeee57ad00ff7e644b02"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.0722",
    "kind": "arxiv",
    "version": 2
  }
}