Pith Number

pith:MC3OTOPW

pith:2006:MC3OTOPWK7KQ6CQRZIGWQMXT2R

not attested not anchored not stored refs pending

Game Approach to Universally Kuratowski-Ulam Spaces

A. Kucharski, Sz. Plewik

arxiv:math/0605469 v1 · 2006-05-17 · math.GN

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MC3OTOPWK7KQ6CQRZIGWQMXT2R}

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	2026-05-18T00:53:45.945236Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

60b6e9b9f657d50f0a11ca0d6832f3d46a54b182e0ee3a1f5f27735fba2b4994

Aliases

arxiv: math/0605469 · arxiv_version: math/0605469v1 · doi: 10.48550/arxiv.math/0605469 · pith_short_12: MC3OTOPWK7KQ · pith_short_16: MC3OTOPWK7KQ6CQR · pith_short_8: MC3OTOPW

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/MC3OTOPWK7KQ6CQRZIGWQMXT2R \
  | 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: 60b6e9b9f657d50f0a11ca0d6832f3d46a54b182e0ee3a1f5f27735fba2b4994

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1b041548d879a290ad28bb47a2071653b2fe410a5ae06999bdc359a91db147f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.GN",
    "submitted_at": "2006-05-17T12:25:05Z",
    "title_canon_sha256": "22f9c808bacaea1ea2f93cebab2387f6655576f579fdd70dd0a5811a67ff3098"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0605469",
    "kind": "arxiv",
    "version": 1
  }
}