Pith Number

pith:XLPVPDWF

pith:2013:XLPVPDWFJJ3MFIFJZELNP3DBF6

not attested not anchored not stored refs pending

Operator Precedence \omega-languages

Dino Mandrioli, Federica Panella, Matteo Pradella, Violetta Lonati

arxiv:1301.2476 v2 · 2013-01-11 · 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{XLPVPDWFJJ3MFIFJZELNP3DBF6}

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	2026-05-18T03:19:25.794753Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

badf578ec54a76c2a0a9c916d7ec612fb865fed9419baef27787217a6694b1b6

Aliases

arxiv: 1301.2476 · arxiv_version: 1301.2476v2 · doi: 10.48550/arxiv.1301.2476 · pith_short_12: XLPVPDWFJJ3M · pith_short_16: XLPVPDWFJJ3MFIFJ · pith_short_8: XLPVPDWF

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/XLPVPDWFJJ3MFIFJZELNP3DBF6 \
  | 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: badf578ec54a76c2a0a9c916d7ec612fb865fed9419baef27787217a6694b1b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a774228876331a6ac67fb08e0615803b9fdd572482f2bd94f45187346486955",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2013-01-11T12:29:58Z",
    "title_canon_sha256": "3bbf95b0ebacf904c570d73da0843ca1cd6cd4fc020551ff8125361e05fa63bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.2476",
    "kind": "arxiv",
    "version": 2
  }
}