Pith Number

pith:XZOUOAV6

pith:2011:XZOUOAV6UV424HXOE4NFMMTLRJ

not attested not anchored not stored refs pending

Improvements for Free

Daniel Seidel, Janis Voigtl\"ander

arxiv:1107.1203 v1 · 2011-07-06 · cs.PL · 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{XZOUOAV6UV424HXOE4NFMMTLRJ}

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	2026-05-18T04:18:45.339406Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be5d4702bea579ae1eee271a56326b8a61db828d1b541cf902c70f1510a9a2bf

Aliases

arxiv: 1107.1203 · arxiv_version: 1107.1203v1 · doi: 10.48550/arxiv.1107.1203 · pith_short_12: XZOUOAV6UV42 · pith_short_16: XZOUOAV6UV424HXO · pith_short_8: XZOUOAV6

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/XZOUOAV6UV424HXOE4NFMMTLRJ \
  | 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: be5d4702bea579ae1eee271a56326b8a61db828d1b541cf902c70f1510a9a2bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "956234576956bd383025b75d6ebc375c34947759d7a3860e8da6173d57fca939",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2011-07-06T17:55:03Z",
    "title_canon_sha256": "a20e17d665e16d1effe0af168902230672c45d35735b773042e6007ca02b477f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.1203",
    "kind": "arxiv",
    "version": 1
  }
}