Pith Number

pith:6ANWLFKO

pith:2015:6ANWLFKOKI2EM5C7RWT2YBDEGU

not attested not anchored not stored refs pending

Independence of higher Kurepa hypotheses

Mohammad Golshani, Sy David Friedman

arxiv:1510.02932 v1 · 2015-10-10 · 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{6ANWLFKOKI2EM5C7RWT2YBDEGU}

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	2026-05-18T01:30:33.291759Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f01b65954e523446745f8da7ac0464353ce5a49199ac21fd3754a3aa5f8ab3ef

Aliases

arxiv: 1510.02932 · arxiv_version: 1510.02932v1 · doi: 10.48550/arxiv.1510.02932 · pith_short_12: 6ANWLFKOKI2E · pith_short_16: 6ANWLFKOKI2EM5C7 · pith_short_8: 6ANWLFKO

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/6ANWLFKOKI2EM5C7RWT2YBDEGU \
  | 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: f01b65954e523446745f8da7ac0464353ce5a49199ac21fd3754a3aa5f8ab3ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "805a8ff11c16ea91f7d315dddbc134090e8e2208148a08482f719dd0c558d9af",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2015-10-10T13:47:43Z",
    "title_canon_sha256": "cb9b11c4d940a6ac39bcd7f5fa5a643787214064447a4a3d0e6f5cf612ef5d50"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.02932",
    "kind": "arxiv",
    "version": 1
  }
}