Pith Number

pith:7FGSRGUJ

pith:2011:7FGSRGUJWR2PRRSRTFWCDWIGE3

not attested not anchored not stored refs pending

Putting Instruction Sequences into Effect

Jan A. Bergstra

arxiv:1110.1866 v1 · 2011-10-09 · cs.PL · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7FGSRGUJWR2PRRSRTFWCDWIGE3}

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	2026-05-18T04:11:19.474765Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f94d289a89b474f8c651996c21d90626fb672dd7d8050d61f2afdc24127cf131

Aliases

arxiv: 1110.1866 · arxiv_version: 1110.1866v1 · doi: 10.48550/arxiv.1110.1866 · pith_short_12: 7FGSRGUJWR2P · pith_short_16: 7FGSRGUJWR2PRRSR · pith_short_8: 7FGSRGUJ

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/7FGSRGUJWR2PRRSRTFWCDWIGE3 \
  | 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: f94d289a89b474f8c651996c21d90626fb672dd7d8050d61f2afdc24127cf131

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74a84cfbaa24fa2de98de0f2ebcd5357b1b9b2ec648f10fc33977f5a0a49ed8c",
    "cross_cats_sorted": [
      "cs.SE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2011-10-09T18:46:04Z",
    "title_canon_sha256": "3c4bf431ddcbfd7279cb4976548f1d208c1db1e7970cf7283e73c0c9ecbc9838"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.1866",
    "kind": "arxiv",
    "version": 1
  }
}