Pith Number

pith:JJLDD7UP

pith:2008:JJLDD7UPYRYBTUQGTSODKYM73R

not attested not anchored not stored refs pending

Visibly Tree Automata with Memory and Constraints

Florent Jacquemard, Hubert Comon-Lundh, Nicolas Perrin

arxiv:0804.3065 v2 · 2008-04-18 · cs.LO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JJLDD7UPYRYBTUQGTSODKYM73R}

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	2026-05-18T01:37:42.482604Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a5631fe8fc47019d2069c9c35619fdc4ad2b43974d4dbb50cf9ed63748a7b6f

Aliases

arxiv: 0804.3065 · arxiv_version: 0804.3065v2 · doi: 10.48550/arxiv.0804.3065 · pith_short_12: JJLDD7UPYRYB · pith_short_16: JJLDD7UPYRYBTUQG · pith_short_8: JJLDD7UP

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/JJLDD7UPYRYBTUQGTSODKYM73R \
  | 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: 4a5631fe8fc47019d2069c9c35619fdc4ad2b43974d4dbb50cf9ed63748a7b6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "072ab705ed3749b729ea2b90af3220a53059e23e3b295c6edb4c21ae33a86432",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2008-04-18T16:27:34Z",
    "title_canon_sha256": "77832a8b4994f43a0d54b432bbf851ff82ae5aee459218d6b6836a90549a1157"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0804.3065",
    "kind": "arxiv",
    "version": 2
  }
}