Pith Number

pith:OB2ZGQ32

pith:2014:OB2ZGQ32YSAXTNMJROPRI7YZC5

not attested not anchored not stored refs pending

An Introduction to the Clocked Lambda Calculus

Andrew Polonsky, Dimitri Hendriks, Jan Willem Klop, J\"org Endrullis

arxiv:1405.7500 v1 · 2014-05-29 · 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{OB2ZGQ32YSAXTNMJROPRI7YZC5}

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	2026-05-18T01:29:47.041528Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

707593437ac48179b5898b9f147f191774c6eb8873c1601b06bde9170cda17cd

Aliases

arxiv: 1405.7500 · arxiv_version: 1405.7500v1 · doi: 10.48550/arxiv.1405.7500 · pith_short_12: OB2ZGQ32YSAX · pith_short_16: OB2ZGQ32YSAXTNMJ · pith_short_8: OB2ZGQ32

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/OB2ZGQ32YSAXTNMJROPRI7YZC5 \
  | 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: 707593437ac48179b5898b9f147f191774c6eb8873c1601b06bde9170cda17cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa9ae18f23e52876af8eb8a5582c0cd76b3847d519e2440f3c3f35def1d9530c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2014-05-29T08:59:37Z",
    "title_canon_sha256": "864defcf6570a1576e5ee84ab177386b12f0b36c5ad3342bb388814fa9419546"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.7500",
    "kind": "arxiv",
    "version": 1
  }
}