Pith Number

pith:4PYXK2SM

pith:2013:4PYXK2SMLLTVHI5OIXKPQOEZI5

not attested not anchored not stored refs pending

Speculative Staging for Interpreter Optimization

Stefan Brunthaler

arxiv:1310.2300 v1 · 2013-10-08 · 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{4PYXK2SMLLTVHI5OIXKPQOEZI5}

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	2026-05-18T03:10:57.380973Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3f1756a4c5ae753a3ae45d4f83899476aaaadacc430c8e598e9e038e9b2fc1e

Aliases

arxiv: 1310.2300 · arxiv_version: 1310.2300v1 · doi: 10.48550/arxiv.1310.2300 · pith_short_12: 4PYXK2SMLLTV · pith_short_16: 4PYXK2SMLLTVHI5O · pith_short_8: 4PYXK2SM

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/4PYXK2SMLLTVHI5OIXKPQOEZI5 \
  | 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: e3f1756a4c5ae753a3ae45d4f83899476aaaadacc430c8e598e9e038e9b2fc1e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d05231916d64dfb696cb964f4b1a6969cb26dd43e9bf59d76d5d5b7a8f172a7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2013-10-08T22:44:44Z",
    "title_canon_sha256": "e7a990809d3a87e8c16335d6ddfaf9dfff6f393fb0b804502753f9378fe35b8e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.2300",
    "kind": "arxiv",
    "version": 1
  }
}