Pith Number

pith:R7HB7I4L

pith:2011:R7HB7I4LWIKWTAGGESGWZQPIXF

not attested not anchored not stored refs pending

A refinement of Stone duality to skew Boolean algebras

Ganna Kudryavtseva

arxiv:1102.1242 v2 · 2011-02-07 · math.RA · 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{R7HB7I4LWIKWTAGGESGWZQPIXF}

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	2026-05-18T02:22:40.152401Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fce1fa38bb2156980c6248d6cc1e8b96c1cb86c3c9a6d80311244373e6c524a

Aliases

arxiv: 1102.1242 · arxiv_version: 1102.1242v2 · doi: 10.48550/arxiv.1102.1242 · pith_short_12: R7HB7I4LWIKW · pith_short_16: R7HB7I4LWIKWTAGG · pith_short_8: R7HB7I4L

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/R7HB7I4LWIKWTAGGESGWZQPIXF \
  | 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: 8fce1fa38bb2156980c6248d6cc1e8b96c1cb86c3c9a6d80311244373e6c524a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df6529481685bc55aac78c3d5e4ff228de25f91705f646616c6c75b1eb9a1b15",
    "cross_cats_sorted": [
      "math.GN"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2011-02-07T08:17:46Z",
    "title_canon_sha256": "b08db11059114b844f0f29bfb244f0436f5ca5ed731eb5c00e8e95be6ea21901"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.1242",
    "kind": "arxiv",
    "version": 2
  }
}