Pith Number

pith:GYMMSTTR

pith:2019:GYMMSTTRDTLBGD77TLK4CSU7XF

not attested not anchored not stored refs pending

On the Elementary Affine Lambda-Calculus with and Without Fixed Points

L\^e Th\`anh D\~ung Nguyen (LIPN, Universit\'e Paris 13)

arxiv:1908.04921 v1 · 2019-08-14 · cs.LO · cs.CC · 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{GYMMSTTRDTLBGD77TLK4CSU7XF}

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	2026-07-04T23:55:58.103410Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3618c94e711cd6130fff9ad5c14a9fb97a22d58908acaecf3cdbeca391ac049d

Aliases

arxiv: 1908.04921 · arxiv_version: 1908.04921v1 · doi: 10.48550/arxiv.1908.04921 · pith_short_12: GYMMSTTRDTLB · pith_short_16: GYMMSTTRDTLBGD77 · pith_short_8: GYMMSTTR

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/GYMMSTTRDTLBGD77TLK4CSU7XF \
  | 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: 3618c94e711cd6130fff9ad5c14a9fb97a22d58908acaecf3cdbeca391ac049d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69cd2817c02e0ab8bafedca35dab4b601e8ac26240ab9199c94abd058f971bc3",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.PL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2019-08-14T01:57:27Z",
    "title_canon_sha256": "d9dc9cc7921479a6dae8ff66b31a1907c0a85f96cbc305023f9e45d70c045d2a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.04921",
    "kind": "arxiv",
    "version": 1
  }
}