Pith Number

pith:KKJ7FRQI

pith:2013:KKJ7FRQIAJOGNCALIWZNY33RPZ

not attested not anchored not stored refs pending

Some metalogical properties for infinitary predicate topological logic

Tarek Sayed Ahmed

arxiv:1304.1576 v1 · 2013-04-03 · 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{KKJ7FRQIAJOGNCALIWZNY33RPZ}

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	2026-05-18T03:28:55.341237Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5293f2c608025c66880b45b2dc6f717e5e49161d22468e9e6aec4afbfe6f00ae

Aliases

arxiv: 1304.1576 · arxiv_version: 1304.1576v1 · doi: 10.48550/arxiv.1304.1576 · pith_short_12: KKJ7FRQIAJOG · pith_short_16: KKJ7FRQIAJOGNCAL · pith_short_8: KKJ7FRQI

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/KKJ7FRQIAJOGNCALIWZNY33RPZ \
  | 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: 5293f2c608025c66880b45b2dc6f717e5e49161d22468e9e6aec4afbfe6f00ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3dbab2023bce694f4ba25b74695686d7472e8d682edb6c48d1ea5030d695fb62",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2013-04-03T13:59:16Z",
    "title_canon_sha256": "e92788984479f696a413ba4d37e0c735e5bedfe6745025ff30b543c22d7e0be7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.1576",
    "kind": "arxiv",
    "version": 1
  }
}