Pith Number

pith:QSW34QMA

pith:2015:QSW34QMAEHKKOSCBXKJPD34XAL

not attested not anchored not stored refs pending

Partial Derivative Automaton for Regular Expressions with Shuffle

Ant\'onio Machiavelo, Nelma Moreira, Rog\'erio Reis, Sabine Broda

arxiv:1503.00279 v1 · 2015-03-01 · 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{QSW34QMAEHKKOSCBXKJPD34XAL}

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	2026-05-18T02:25:54.775749Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84adbe418021d4a74841ba92f1ef9702d9ea7927d94ad37ace98c6a099473368

Aliases

arxiv: 1503.00279 · arxiv_version: 1503.00279v1 · doi: 10.48550/arxiv.1503.00279 · pith_short_12: QSW34QMAEHKK · pith_short_16: QSW34QMAEHKKOSCB · pith_short_8: QSW34QMA

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/QSW34QMAEHKKOSCBXKJPD34XAL \
  | 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: 84adbe418021d4a74841ba92f1ef9702d9ea7927d94ad37ace98c6a099473368

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bca837dfe6dbea515d75f775b9b52d6ca66472d44af56dae61c7561d4cc9769d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2015-03-01T14:06:02Z",
    "title_canon_sha256": "37b0d6f6a7ff12fa272db04d741c8297fe7e2604eb7b08176f14ab64e62f0149"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.00279",
    "kind": "arxiv",
    "version": 1
  }
}