Pith Number

pith:BFBWF2PS

pith:2012:BFBWF2PSUZH5P427OOJE3Z6L4G

not attested not anchored not stored refs pending

Learn with SAT to Minimize B\"uchi Automata

Martin Hofmann, Stephan Barth

arxiv:1210.2452 v1 · 2012-10-09 · 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{BFBWF2PSUZH5P427OOJE3Z6L4G}

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	2026-05-18T03:43:41.498130Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

094362e9f2a64fd7f35f73924de7cbe19dc8dcf4ace7d03e639b7949820f4285

Aliases

arxiv: 1210.2452 · arxiv_version: 1210.2452v1 · doi: 10.48550/arxiv.1210.2452 · pith_short_12: BFBWF2PSUZH5 · pith_short_16: BFBWF2PSUZH5P427 · pith_short_8: BFBWF2PS

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/BFBWF2PSUZH5P427OOJE3Z6L4G \
  | 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: 094362e9f2a64fd7f35f73924de7cbe19dc8dcf4ace7d03e639b7949820f4285

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe6e1de9c08bbe219494ecbea618d78bf57bc60606da8c43052cd4da257e779c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2012-10-09T00:53:36Z",
    "title_canon_sha256": "39f600028702b9ce67769927defe9a8c1523e6508473ab09167a6a63fe423b52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.2452",
    "kind": "arxiv",
    "version": 1
  }
}