Pith Number

pith:3LO2OUUW

pith:2011:3LO2OUUW7VURCTJIEBWN53ZLNH

not attested not anchored not stored refs pending

Repetitive Reduction Patterns in Lambda Calculus with letrec (Work in Progress)

Clemens Grabmayer (Utrecht University, Jan Rochel (Utrecht University, the Netherlands)

arxiv:1102.2656 v1 · 2011-02-14 · 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{3LO2OUUW7VURCTJIEBWN53ZLNH}

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	2026-05-18T04:28:46.799033Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dadda75296fd69114d28206cdeef2b69c4b9eb96458ae28cd3d64eb5b3594e55

Aliases

arxiv: 1102.2656 · arxiv_version: 1102.2656v1 · doi: 10.48550/arxiv.1102.2656 · pith_short_12: 3LO2OUUW7VUR · pith_short_16: 3LO2OUUW7VURCTJI · pith_short_8: 3LO2OUUW

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/3LO2OUUW7VURCTJIEBWN53ZLNH \
  | 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: dadda75296fd69114d28206cdeef2b69c4b9eb96458ae28cd3d64eb5b3594e55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5907515300241fccd2fdcf07f58cc0b1ca97a71104274ca11bd71a60cbeaca6e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2011-02-14T01:09:58Z",
    "title_canon_sha256": "bb10c2e401c6cedefc87fdcdb74fd9643962013f1d94d1ab1eb815e378f4022c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.2656",
    "kind": "arxiv",
    "version": 1
  }
}