Pith Number

pith:O4NFXUOO

pith:2014:O4NFXUOO4LBYRESKNP4BBIVSJ2

not attested not anchored not stored refs pending

Between Polish and completely Baire

Andrea Medini, Lyubomyr Zdomskyy

arxiv:1405.7899 v1 · 2014-05-30 · math.GN · 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{O4NFXUOO4LBYRESKNP4BBIVSJ2}

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	2026-05-18T02:50:43.760917Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

771a5bd1cee2c388924a6bf810a2b24eb546e405268bdbc6874625ca0a66aac9

Aliases

arxiv: 1405.7899 · arxiv_version: 1405.7899v1 · doi: 10.48550/arxiv.1405.7899 · pith_short_12: O4NFXUOO4LBY · pith_short_16: O4NFXUOO4LBYRESK · pith_short_8: O4NFXUOO

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/O4NFXUOO4LBYRESKNP4BBIVSJ2 \
  | 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: 771a5bd1cee2c388924a6bf810a2b24eb546e405268bdbc6874625ca0a66aac9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5792eb2f3606c6bf4408f6bf2b2717be5bcff53988674f400a470ce602dabf77",
    "cross_cats_sorted": [
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2014-05-30T15:56:03Z",
    "title_canon_sha256": "2a2303b6f5b6b300d9c82163ebc9cd32887e8a75f0ac5f36baa3b5a779fadf11"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.7899",
    "kind": "arxiv",
    "version": 1
  }
}