Pith Number

pith:3WSZ5EIP

pith:2021:3WSZ5EIPO3N6H4IPLOJAZZQ4PP

not attested not anchored not stored refs pending

Equivalence Checking and Intersection of Deterministic Timed Finite State Machines

Davide Bresolin, Khaled El-Fakih, Nina Yevtushenko, Tiziano Villa

arxiv:2103.04868 v1 · 2021-03-08 · cs.FL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3WSZ5EIPO3N6H4IPLOJAZZQ4PP}

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	2026-07-05T02:21:10.049609Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dda59e910f76dbe3f10f5b920ce61c7bc0dcd29f2e3a561a35dcd8b20d3115cb

Aliases

arxiv: 2103.04868 · arxiv_version: 2103.04868v1 · doi: 10.48550/arxiv.2103.04868 · pith_short_12: 3WSZ5EIPO3N6 · pith_short_16: 3WSZ5EIPO3N6H4IP · pith_short_8: 3WSZ5EIP

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/3WSZ5EIPO3N6H4IPLOJAZZQ4PP \
  | 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: dda59e910f76dbe3f10f5b920ce61c7bc0dcd29f2e3a561a35dcd8b20d3115cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89772e66c24aa2feb5510bfafb135d1a4bd03063c33f739ebdc22c01ae0ea2e6",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2021-03-08T16:19:24Z",
    "title_canon_sha256": "7d8c4c83abe4811288e5f81bdeaba1be455a5de0c8e45ec266e73120fe56383f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.04868",
    "kind": "arxiv",
    "version": 1
  }
}