Pith Number

pith:P3PYN7PX

pith:2012:P3PYN7PX3S7INYJSJDV72YUTY4

not attested not anchored not stored refs pending

Stochastic Superoptimization

Alex Aiken, Eric Schkufza, Rahul Sharma

arxiv:1211.0557 v1 · 2012-11-02 · cs.PF · cs.PL

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P3PYN7PX3S7INYJSJDV72YUTY4}

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	2026-05-18T03:41:33.105350Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7edf86fdf7dcbe86e13248ebfd6293c7211e96594de70d7a14a5e0cc025ff009

Aliases

arxiv: 1211.0557 · arxiv_version: 1211.0557v1 · doi: 10.48550/arxiv.1211.0557 · pith_short_12: P3PYN7PX3S7I · pith_short_16: P3PYN7PX3S7INYJS · pith_short_8: P3PYN7PX

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/P3PYN7PX3S7INYJSJDV72YUTY4 \
  | 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: 7edf86fdf7dcbe86e13248ebfd6293c7211e96594de70d7a14a5e0cc025ff009

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5fa4c2484585047063a5d602cb6442ab8c3dea8fa708e547000764d67a5796cf",
    "cross_cats_sorted": [
      "cs.PL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PF",
    "submitted_at": "2012-11-02T20:23:23Z",
    "title_canon_sha256": "39a3e72f68801fc58dc7af6606fa38420cb350b43e67cddc6261e77f076bdce2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.0557",
    "kind": "arxiv",
    "version": 1
  }
}