Pith Number

pith:FCUPDR76

pith:2015:FCUPDR76WEXUWJ56FR6PO423WT

not attested not anchored not stored refs pending

An encoding of array verification problems into array-free Horn clauses

David Monniaux (VERIMAG - Imag), Laure Gonnord (LIP)

arxiv:1509.09092 v1 · 2015-09-30 · 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{FCUPDR76WEXUWJ56FR6PO423WT}

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	2026-05-18T01:31:29.074286Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28a8f1c7feb12f4b27be2c7cf7735bb4d3dd236b8365e0c9881fa3832c8c5880

Aliases

arxiv: 1509.09092 · arxiv_version: 1509.09092v1 · doi: 10.48550/arxiv.1509.09092 · pith_short_12: FCUPDR76WEXU · pith_short_16: FCUPDR76WEXUWJ56 · pith_short_8: FCUPDR76

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/FCUPDR76WEXUWJ56FR6PO423WT \
  | 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: 28a8f1c7feb12f4b27be2c7cf7735bb4d3dd236b8365e0c9881fa3832c8c5880

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3892c5d09073138430a79cfec15887374e7abee69b5b021c755b512afacc40e6",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2015-09-30T09:29:09Z",
    "title_canon_sha256": "8a3b652e1a57b4f8789123030b18bc35cba6d47094b079635d6ecd30fd967766"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.09092",
    "kind": "arxiv",
    "version": 1
  }
}