Pith Number

pith:RE2VGJKH

pith:2013:RE2VGJKHD7YL6VTRVWZFNHITYM

not attested not anchored not stored refs pending

Ordered Models of the Lambda Calculus

Alberto Carraro (Laboratoire PPS, Antonino Salibra (Universit\`a Ca'Foscari Venezia), Universit\'e Paris Diderot)

arxiv:1311.1916 v2 · 2013-11-08 · cs.LO · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RE2VGJKHD7YL6VTRVWZFNHITYM}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:37:37.649252Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

89355325471ff0bf5671adb2569d13c333aa002006cb799ed513b6d5f2f47057

Aliases

arxiv: 1311.1916 · arxiv_version: 1311.1916v2 · doi: 10.48550/arxiv.1311.1916 · pith_short_12: RE2VGJKHD7YL · pith_short_16: RE2VGJKHD7YL6VTR · pith_short_8: RE2VGJKH

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/RE2VGJKHD7YL6VTRVWZFNHITYM \
  | 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: 89355325471ff0bf5671adb2569d13c333aa002006cb799ed513b6d5f2f47057

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa0e10f730468c3201477b7e71822a75fed21003ac656a85d88e5054013a9682",
    "cross_cats_sorted": [
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2013-11-08T09:55:52Z",
    "title_canon_sha256": "d70f68064cd4cb77fee3e7d1681262e46c83906a20c8d1c4252ffa8c27f7451a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.1916",
    "kind": "arxiv",
    "version": 2
  }
}