Pith Number

pith:LACBWOOK

pith:2012:LACBWOOKVYL6EW6TGQC6U544VR

not attested not anchored not stored refs pending

Infinite games and cardinal properties of topological spaces

Angelo Bella, Santi Spadaro

arxiv:1212.5724 v2 · 2012-12-22 · 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{LACBWOOKVYL6EW6TGQC6U544VR}

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	2026-05-18T03:32:58.475460Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58041b39caae17e25bd33405ea779cac684bd86848bb302494c97fa7b0e807ca

Aliases

arxiv: 1212.5724 · arxiv_version: 1212.5724v2 · doi: 10.48550/arxiv.1212.5724 · pith_short_12: LACBWOOKVYL6 · pith_short_16: LACBWOOKVYL6EW6T · pith_short_8: LACBWOOK

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/LACBWOOKVYL6EW6TGQC6U544VR \
  | 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: 58041b39caae17e25bd33405ea779cac684bd86848bb302494c97fa7b0e807ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c09bbca65c22323f77f648faa37b57bfeb2b277143d3c8416c2f5510fed799bb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2012-12-22T20:57:41Z",
    "title_canon_sha256": "9abe814d150e08e6a6f47665e78b85b27b72552f6ecd62e51eb008aea126c84a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.5724",
    "kind": "arxiv",
    "version": 2
  }
}