Pith Number

pith:4DHX54DU

pith:2014:4DHX54DUGQMLHCUDKVERBKRTYA

not attested not anchored not stored refs pending

Compliance for reversible client/server interactions

Franco Barbanera (Dipartimento di Matematica e Informatica, Mariangiola Dezani-Ciancaglini (Dipartimento di Informatica, Ugo de' Liguoro (Dipartimento di Informatica, University of Catania), University of Torino)

arxiv:1408.5981 v1 · 2014-08-26 · 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{4DHX54DUGQMLHCUDKVERBKRTYA}

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	2026-05-18T02:44:15.328776Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0cf7ef0743418b38a83554910aa33c0089c22b793c0793dbd6d94f93f0c82ed

Aliases

arxiv: 1408.5981 · arxiv_version: 1408.5981v1 · doi: 10.48550/arxiv.1408.5981 · pith_short_12: 4DHX54DUGQML · pith_short_16: 4DHX54DUGQMLHCUD · pith_short_8: 4DHX54DU

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/4DHX54DUGQMLHCUDKVERBKRTYA \
  | 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: e0cf7ef0743418b38a83554910aa33c0089c22b793c0793dbd6d94f93f0c82ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a45c92084dfda7b142becb08c7356e813aee79ed1a124cfa4f0ab7ab7cb6e72b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2014-08-26T02:16:02Z",
    "title_canon_sha256": "23fa92b764b9f1d7ca5c9b7f906716dc53b379e0373416f6c08dc94bb9128bcb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.5981",
    "kind": "arxiv",
    "version": 1
  }
}