Pith Number

pith:PJ34572X

pith:2013:PJ34572XUYFLE7BTOCDEISXRQB

not attested not anchored not stored refs pending

De Vries powers: a generalization of Boolean powers for compact Hausdorff spaces

Bruce Olberding, Guram Bezhanishvili, Patrick J. Morandi, Vincenzo Marra

arxiv:1311.4680 v1 · 2013-11-19 · math.RA · 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{PJ34572XUYFLE7BTOCDEISXRQB}

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	2026-05-18T03:06:43.730554Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a77ceff57a60ab27c337086444af1806e10a3f05935b6662a2b75c357fd1313

Aliases

arxiv: 1311.4680 · arxiv_version: 1311.4680v1 · doi: 10.48550/arxiv.1311.4680 · pith_short_12: PJ34572XUYFL · pith_short_16: PJ34572XUYFLE7BT · pith_short_8: PJ34572X

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/PJ34572XUYFLE7BTOCDEISXRQB \
  | 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: 7a77ceff57a60ab27c337086444af1806e10a3f05935b6662a2b75c357fd1313

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f1ab04bb03c6901ecdc25657dacb546bb2bdb9bd95ca4a67d6322fa11da4f01",
    "cross_cats_sorted": [
      "math.GN",
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2013-11-19T10:25:08Z",
    "title_canon_sha256": "9d54436334f03882107c0cd5b18698d8c22ef6c601895b429943e80208556dc0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.4680",
    "kind": "arxiv",
    "version": 1
  }
}