Pith Number

pith:TEHZTIMZ

pith:2013:TEHZTIMZC3NRNMNDWMUPASGQC4

not attested not anchored not stored refs pending

On the State Complexity of the Reverse of R- and J-trivial Regular Languages

Galina Jir\'askov\'a, Tom\'a\v{s} Masopust

arxiv:1304.0733 v2 · 2013-04-02 · 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{TEHZTIMZC3NRNMNDWMUPASGQC4}

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	2026-05-18T03:21:23.456114Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

990f99a19916db16b1a3b328f048d017177aa6e7262e982bc7bc752fb162bad5

Aliases

arxiv: 1304.0733 · arxiv_version: 1304.0733v2 · doi: 10.48550/arxiv.1304.0733 · pith_short_12: TEHZTIMZC3NR · pith_short_16: TEHZTIMZC3NRNMND · pith_short_8: TEHZTIMZ

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/TEHZTIMZC3NRNMNDWMUPASGQC4 \
  | 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: 990f99a19916db16b1a3b328f048d017177aa6e7262e982bc7bc752fb162bad5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8a8e7a988fe9e2e22838c8c298ac9425b41fbf868ee92a9da5fdce4b4d18692",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2013-04-02T18:42:05Z",
    "title_canon_sha256": "fc328e727de7b168a03444afba557121579895a95d2fd2584983f7171cd51234"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.0733",
    "kind": "arxiv",
    "version": 2
  }
}