Pith Number

pith:OPTPFOXT

pith:2012:OPTPFOXTRJ75ALQ7FSSLJJ7LLT

not attested not anchored not stored refs pending

Information completeness in Nelson algebras of rough sets induced by quasiorders

Jouni J\"arvinen, Piero Pagliani, S\'andor Radeleczki

arxiv:1203.2136 v1 · 2012-03-09 · math.RA · 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{OPTPFOXTRJ75ALQ7FSSLJJ7LLT}

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	2026-05-18T02:55:39.460157Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73e6f2baf38a7fd02e1f2ca4b4a7eb5ceb12248129b6e2f15eddea112e343cb0

Aliases

arxiv: 1203.2136 · arxiv_version: 1203.2136v1 · doi: 10.48550/arxiv.1203.2136 · pith_short_12: OPTPFOXTRJ75 · pith_short_16: OPTPFOXTRJ75ALQ7 · pith_short_8: OPTPFOXT

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/OPTPFOXTRJ75ALQ7FSSLJJ7LLT \
  | 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: 73e6f2baf38a7fd02e1f2ca4b4a7eb5ceb12248129b6e2f15eddea112e343cb0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "877ab1bb61936ac60a6e408ae107ef009cbad749e4e0dab77e99641817e77e61",
    "cross_cats_sorted": [
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2012-03-09T17:04:00Z",
    "title_canon_sha256": "3a2ef79f1dafdce7f11c902c89e56bc3122e4cf61da5ab9ff5f3d87f68b8ccb3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.2136",
    "kind": "arxiv",
    "version": 1
  }
}