Pith Number

pith:SQU42N4W

pith:2012:SQU42N4WVTQDICHELSWICDARBB

not attested not anchored not stored refs pending

Kites and Pseudo BL-algebras

Anatolij Dvurecenskij, Tomasz Kowalski

arxiv:1207.2129 v1 · 2012-07-09 · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SQU42N4WVTQDICHELSWICDARBB}

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	2026-05-18T03:51:26.056366Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9429cd3796ace03408e45cac810c11086addbb32901cf22b6b025e5e864c60eb

Aliases

arxiv: 1207.2129 · arxiv_version: 1207.2129v1 · doi: 10.48550/arxiv.1207.2129 · pith_short_12: SQU42N4WVTQD · pith_short_16: SQU42N4WVTQDICHE · pith_short_8: SQU42N4W

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/SQU42N4WVTQDICHELSWICDARBB \
  | 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: 9429cd3796ace03408e45cac810c11086addbb32901cf22b6b025e5e864c60eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "971b5fee611dc8bcc13e2ff52d6366f7b10426e5f6c3df14652ca5c313de8bf6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2012-07-09T19:05:51Z",
    "title_canon_sha256": "2132af7f551247d116715151b177980a3903791d20bd71c8552418d60b0bde18"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.2129",
    "kind": "arxiv",
    "version": 1
  }
}