Pith Number

pith:BHPPXBJ5

pith:2015:BHPPXBJ5OCWFRYOXTQN5ZY4NQG

not attested not anchored not stored refs pending

Construction of rational expression from tree automata using a generalization of Arden's Lemma

Djelloul Ziadi, Hadda Cherroun, Ludovic Mignot, Younes Guellouma

arxiv:1501.07686 v1 · 2015-01-30 · 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{BHPPXBJ5OCWFRYOXTQN5ZY4NQG}

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	2026-05-18T02:28:14.398266Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

09defb853d70ac58e1d79c1bdce38d818450a85b9f4672aa4e7e7556d9e94e18

Aliases

arxiv: 1501.07686 · arxiv_version: 1501.07686v1 · doi: 10.48550/arxiv.1501.07686 · pith_short_12: BHPPXBJ5OCWF · pith_short_16: BHPPXBJ5OCWFRYOX · pith_short_8: BHPPXBJ5

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/BHPPXBJ5OCWFRYOXTQN5ZY4NQG \
  | 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: 09defb853d70ac58e1d79c1bdce38d818450a85b9f4672aa4e7e7556d9e94e18

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8c773c91da7229870cd137e0d9b328a65c5202d897fc6fa5ae8edd782fd342d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2015-01-30T07:34:10Z",
    "title_canon_sha256": "0dde56dced310bf79922e6288ebfe39c4290869bf0bdfb8a94e1e82c1443d629"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.07686",
    "kind": "arxiv",
    "version": 1
  }
}