Pith Number

pith:UMBTOHTL

pith:2010:UMBTOHTL63YOKJPGZ3FXONHKBI

not attested not anchored not stored refs pending

On building minimal automaton for subset matching queries

Kimmo Fredriksson

arxiv:1004.0902 v2 · 2010-04-06 · cs.FL · cs.DS · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UMBTOHTL63YOKJPGZ3FXONHKBI}

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	2026-05-18T04:40:00.607979Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a303371e6bf6f0e525e6cecb7734ea0a34741a9243accfa2c9eae393b07275a4

Aliases

arxiv: 1004.0902 · arxiv_version: 1004.0902v2 · doi: 10.48550/arxiv.1004.0902 · pith_short_12: UMBTOHTL63YO · pith_short_16: UMBTOHTL63YOKJPG · pith_short_8: UMBTOHTL

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/UMBTOHTL63YOKJPGZ3FXONHKBI \
  | 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: a303371e6bf6f0e525e6cecb7734ea0a34741a9243accfa2c9eae393b07275a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "135a2b1b7efd48479ee766ec153f5c863cea1944883f06337667d623fc4a2152",
    "cross_cats_sorted": [
      "cs.DS",
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2010-04-06T17:20:03Z",
    "title_canon_sha256": "29cd78381a54c8a99b7dab0962f0077ae7b834522b5c0211b1ce007917bfb9c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.0902",
    "kind": "arxiv",
    "version": 2
  }
}