Pith Number

pith:F3OZMVYY

pith:2012:F3OZMVYYBNQSJY5Q4CVNOP6NIP

not attested not anchored not stored refs pending

Solid weak BCC-algebras

Wieslaw A. Dudek

arxiv:1204.6520 v1 · 2012-04-29 · 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{F3OZMVYYBNQSJY5Q4CVNOP6NIP}

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	2026-05-18T02:28:48.486187Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2edd9657180b6124e3b0e0aad73fcd43de7715b51ba6eba0a144f2403aea5c35

Aliases

arxiv: 1204.6520 · arxiv_version: 1204.6520v1 · doi: 10.48550/arxiv.1204.6520 · pith_short_12: F3OZMVYYBNQS · pith_short_16: F3OZMVYYBNQSJY5Q · pith_short_8: F3OZMVYY

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/F3OZMVYYBNQSJY5Q4CVNOP6NIP \
  | 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: 2edd9657180b6124e3b0e0aad73fcd43de7715b51ba6eba0a144f2403aea5c35

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd54331682321779813ec78d571fcd9507678cdfac582b5eb3476540761f92ab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2012-04-29T21:01:57Z",
    "title_canon_sha256": "a07b0c701b21e4519c0cf0bded6b9f80505238dd1d38ce835e21bdb71e5d7229"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.6520",
    "kind": "arxiv",
    "version": 1
  }
}