Pith Number

pith:FNPDFB2I

pith:2013:FNPDFB2IU22WSZXTB2UEG24C2E

not attested not anchored not stored refs pending

Completeness and interpolation for intuitionistic infinitary predicate logic, in connection to finitizing the class of representable Heyting polyadic algebras

Tarek Sayed Ahmed

arxiv:1304.1538 v1 · 2013-04-04 · 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{FNPDFB2IU22WSZXTB2UEG24C2E}

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	2026-05-18T03:28:55.430771Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b5e328748a6b56966f30ea8436b82d1240ecd3d4a5ed60ccd89743830d95db2

Aliases

arxiv: 1304.1538 · arxiv_version: 1304.1538v1 · doi: 10.48550/arxiv.1304.1538 · pith_short_12: FNPDFB2IU22W · pith_short_16: FNPDFB2IU22WSZXT · pith_short_8: FNPDFB2I

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/FNPDFB2IU22WSZXTB2UEG24C2E \
  | 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: 2b5e328748a6b56966f30ea8436b82d1240ecd3d4a5ed60ccd89743830d95db2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b67ae4907c9ea9e068ba00f5a3f01d0d0ccee95285786793166d8d7a6910a609",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2013-04-04T17:24:04Z",
    "title_canon_sha256": "d413e4ebb75ad00054a9ff92d08dee0c684f4cc029822b342be20c6acfac1d2f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.1538",
    "kind": "arxiv",
    "version": 1
  }
}