Pith Number

pith:QVZSPKJ4

pith:2013:QVZSPKJ4AAFBGEBOUXQNT2OQXI

not attested not anchored not stored refs pending

Effect algebras with state operator

Anna Jencova, Sylvia Pulmannova

arxiv:1307.4201 v1 · 2013-07-16 · math.OA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QVZSPKJ4AAFBGEBOUXQNT2OQXI}

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	2026-05-18T03:18:19.396434Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

857327a93c000a13102ea5e0d9e9d0ba1fa50afb9f72ec3ff0136fec8e9338dc

Aliases

arxiv: 1307.4201 · arxiv_version: 1307.4201v1 · doi: 10.48550/arxiv.1307.4201 · pith_short_12: QVZSPKJ4AAFB · pith_short_16: QVZSPKJ4AAFBGEBO · pith_short_8: QVZSPKJ4

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/QVZSPKJ4AAFBGEBOUXQNT2OQXI \
  | 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: 857327a93c000a13102ea5e0d9e9d0ba1fa50afb9f72ec3ff0136fec8e9338dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "694143bf6df02684eb9dd7e9a014e61d2eb7de7d6675a3b3c7b826614e334fe0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2013-07-16T08:56:29Z",
    "title_canon_sha256": "6814771de19807f5cb9c98a35cc803868988a258f793e44f94e3c8044d847377"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.4201",
    "kind": "arxiv",
    "version": 1
  }
}