Pith Number

pith:XPNJVHXG

pith:2011:XPNJVHXGKY3TS4WBIJ767D5XEG

not attested not anchored not stored refs pending

Algebraic logic and logically-geometric types in varieties of algebras

Boris Plotkin, Elena Aladova, Eugene Plotkin

arxiv:1108.0573 v1 · 2011-08-02 · math.LO · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XPNJVHXGKY3TS4WBIJ767D5XEG}

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	2026-05-18T04:16:30.175714Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bbda9a9ee656373972c1427fef8fb72198ee0b8c1c3c208057f42d07f2aac8d2

Aliases

arxiv: 1108.0573 · arxiv_version: 1108.0573v1 · doi: 10.48550/arxiv.1108.0573 · pith_short_12: XPNJVHXGKY3T · pith_short_16: XPNJVHXGKY3TS4WB · pith_short_8: XPNJVHXG

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/XPNJVHXGKY3TS4WBIJ767D5XEG \
  | 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: bbda9a9ee656373972c1427fef8fb72198ee0b8c1c3c208057f42d07f2aac8d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a509f90fd8ff33bfafb640ced43b5b53dcf40027f5510dfeff0c07b8cc6c200a",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2011-08-02T13:58:18Z",
    "title_canon_sha256": "d8c4a32b22e40c7a4e04fe7041475c6c17c8a8f1813cb0dbc949cadff9915eaa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.0573",
    "kind": "arxiv",
    "version": 1
  }
}