pith. sign in
Pith Number

pith:LMQBAJH4

pith:2012:LMQBAJH466UHXLP6MHHEUMV6D6
not attested not anchored not stored refs pending

Verifiable Computation with Massively Parallel Interactive Proofs

Hanspeter Pfister, Justin Thaler, Michael Mitzenmacher, Mike Roberts

arxiv:1202.1350 v3 · 2012-02-07 · cs.DC · cs.CR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{LMQBAJH466UHXLP6MHHEUMV6D6}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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 2026-05-18T04:01:49.209196Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

5b201024fcf7a87badfe61ce4a32be1fa5218851d7775ee1777942b59f676212

Aliases

arxiv: 1202.1350 · arxiv_version: 1202.1350v3 · doi: 10.48550/arxiv.1202.1350 · pith_short_12: LMQBAJH466UH · pith_short_16: LMQBAJH466UHXLP6 · pith_short_8: LMQBAJH4
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/LMQBAJH466UHXLP6MHHEUMV6D6 \
  | 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: 5b201024fcf7a87badfe61ce4a32be1fa5218851d7775ee1777942b59f676212
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "008a8f32298d9c1260917cd32fea5efbc3d24e7d5714b8b2f1186c9c6b2b2301",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2012-02-07T04:42:49Z",
    "title_canon_sha256": "68c1c3a92683e85d81d27ecebe2ddbc7c21a3da91c47866fd18ac7b28dac3cb2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.1350",
    "kind": "arxiv",
    "version": 3
  }
}