Pith Number

pith:SPJXR4H6

pith:2013:SPJXR4H6GWWS7SZHRTCFSJIJVU

not attested not anchored not stored refs pending

The algebra of conditional sets and the concepts of conditional topology and compactness

Asgar Jamneshan, Martin Karliczek, Michael Kupper, Samuel Drapeau

arxiv:1309.6903 v4 · 2013-09-21 · 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{SPJXR4H6GWWS7SZHRTCFSJIJVU}

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	2026-05-18T01:07:21.410311Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93d378f0fe35ad2fcb278cc4592509ad2eabc47e094834cda48951bf605f933f

Aliases

arxiv: 1309.6903 · arxiv_version: 1309.6903v4 · doi: 10.48550/arxiv.1309.6903 · pith_short_12: SPJXR4H6GWWS · pith_short_16: SPJXR4H6GWWS7SZH · pith_short_8: SPJXR4H6

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/SPJXR4H6GWWS7SZHRTCFSJIJVU \
  | 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: 93d378f0fe35ad2fcb278cc4592509ad2eabc47e094834cda48951bf605f933f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e5c537b4a70d61316f6cfd1089bfa10174bc370883b4a7b627876cb11acffd5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2013-09-21T15:54:22Z",
    "title_canon_sha256": "f93ed4de974d1265d58eb5fe22a0cb8f5092c76f5a797cc428aa03de762481f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.6903",
    "kind": "arxiv",
    "version": 4
  }
}