Pith Number

pith:PND6OUNV

pith:2019:PND6OUNVR7LZ6GG323JZ5ND5HT

not attested not anchored not stored refs pending

Sequentiality of String-to-Context Transducers

Didier Villevalois, Pierre-Alain Reynier

arxiv:1902.11263 v1 · 2019-02-28 · cs.LO · 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{PND6OUNVR7LZ6GG323JZ5ND5HT}

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	2026-05-17T23:52:25.080976Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b47e751b58fd79f18dbd6d39eb47d3cd794aeda9882a5acfe2cec303f63be6b

Aliases

arxiv: 1902.11263 · arxiv_version: 1902.11263v1 · doi: 10.48550/arxiv.1902.11263 · pith_short_12: PND6OUNVR7LZ · pith_short_16: PND6OUNVR7LZ6GG3 · pith_short_8: PND6OUNV

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/PND6OUNVR7LZ6GG323JZ5ND5HT \
  | 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: 7b47e751b58fd79f18dbd6d39eb47d3cd794aeda9882a5acfe2cec303f63be6b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4522749cbb9b3eec60a1f37d8a62a7a846be4ecafb5595d38ab4eb59e69fd3c5",
    "cross_cats_sorted": [
      "cs.FL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2019-02-28T18:10:59Z",
    "title_canon_sha256": "7b1cf4c879a42b8618ae1fcd65c8bcc1d5b01b4d6b6fa1a6266fd2f2b5f4f450"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.11263",
    "kind": "arxiv",
    "version": 1
  }
}