Pith Number

pith:5HN7DHFJ

pith:2007:5HN7DHFJF4RC5J7GN6TK3SWNXG

not attested not anchored not stored refs pending

On the decidability and complexity of Metric Temporal Logic over finite words

James Worrell, Joel Ouaknine

arxiv:cs/0702120 v3 · 2007-02-21 · cs.LO · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5HN7DHFJF4RC5J7GN6TK3SWNXG}

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	2026-05-18T00:53:03.227488Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9dbf19ca92f222ea7e66fa6adcacdb998249a5a2b725c91decd05bbc5594582

Aliases

arxiv: cs/0702120 · arxiv_version: cs/0702120v3 · doi: 10.48550/arxiv.cs/0702120 · pith_short_12: 5HN7DHFJF4RC · pith_short_16: 5HN7DHFJF4RC5J7G · pith_short_8: 5HN7DHFJ

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/5HN7DHFJF4RC5J7GN6TK3SWNXG \
  | 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: e9dbf19ca92f222ea7e66fa6adcacdb998249a5a2b725c91decd05bbc5594582

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a5c5069dce9db3d8366d35b8e76d6ecf1881d4dac8cd0100147e55ddce284ba",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "",
    "primary_cat": "cs.LO",
    "submitted_at": "2007-02-21T16:14:34Z",
    "title_canon_sha256": "8ba06bbd92548ffe1e10efb786bb60134609fdf30f2245774d3391f9e9cbc291"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0702120",
    "kind": "arxiv",
    "version": 3
  }
}