Pith Number

pith:C2T7GVLG

pith:2009:C2T7GVLGQHKHAMYMGTNUXBGP53

not attested not anchored not stored refs pending

Un R\'esultat de Compl\'etude pour les Types $\forall^+$ du Syst\`eme F

Karim Nour (LAMA), Samir Farkh (LAMA)

arxiv:0905.0592 v1 · 2009-05-05 · math.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{C2T7GVLGQHKHAMYMGTNUXBGP53}

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	2026-05-18T02:13:47.518278Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16a7f3556681d470330c34db4b84cfeec4102f67599fff977920cd123f1c4998

Aliases

arxiv: 0905.0592 · arxiv_version: 0905.0592v1 · doi: 10.48550/arxiv.0905.0592 · pith_short_12: C2T7GVLGQHKH · pith_short_16: C2T7GVLGQHKHAMYM · pith_short_8: C2T7GVLG

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/C2T7GVLGQHKHAMYMGTNUXBGP53 \
  | 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: 16a7f3556681d470330c34db4b84cfeec4102f67599fff977920cd123f1c4998

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9304fdaf2e6e5670c0db79da0bce545ace42493d36893c76c8cc55468362c6fc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2009-05-05T12:31:52Z",
    "title_canon_sha256": "fcc5be28af49a148ffaa87b96b24045bc9d4a32579cba940d80ee1a2bd58254d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.0592",
    "kind": "arxiv",
    "version": 1
  }
}