Pith Number

pith:PHI6F7FC

pith:2008:PHI6F7FCS62P224GI57L5YONBI

not attested not anchored not stored refs pending

Light Logics and the Call-by-Value Lambda Calculus

Paolo Coppola, Simona Ronchi Della Rocca, Ugo Dal Lago

arxiv:0809.0195 v2 · 2008-09-01 · 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{PHI6F7FCS62P224GI57L5YONBI}

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	2026-05-18T01:37:42.329477Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79d1e2fca297b4fd6b86477ebee1cd0a10b7fc98f61b67cbe92e2dcc03635725

Aliases

arxiv: 0809.0195 · arxiv_version: 0809.0195v2 · doi: 10.48550/arxiv.0809.0195 · pith_short_12: PHI6F7FCS62P · pith_short_16: PHI6F7FCS62P224G · pith_short_8: PHI6F7FC

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/PHI6F7FCS62P224GI57L5YONBI \
  | 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: 79d1e2fca297b4fd6b86477ebee1cd0a10b7fc98f61b67cbe92e2dcc03635725

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "774152574f3f7857a956ce20f7c3d4a2db6bba656094bc8b550fa321068b785e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2008-09-01T09:46:36Z",
    "title_canon_sha256": "0f29d5ab1b483ede2d5303d8a9e09bf9d1d1ac38caf5dcf0dfb473d7f053f6cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.0195",
    "kind": "arxiv",
    "version": 2
  }
}