Pith Number

pith:QFNYIPZM

pith:2014:QFNYIPZM7BG77QPYYDBWPOI3CG

not attested not anchored not stored refs pending

Note on paraconsistency and reasoning about fractions

Inge Bethke, Jan A. Bergstra

arxiv:1410.8692 v2 · 2014-10-31 · cs.LO · 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{QFNYIPZM7BG77QPYYDBWPOI3CG}

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	2026-05-18T02:25:27.747607Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

815b843f2cf84dffc1f8c0c367b91b119404d11906ce7955fe267084745d0607

Aliases

arxiv: 1410.8692 · arxiv_version: 1410.8692v2 · doi: 10.48550/arxiv.1410.8692 · pith_short_12: QFNYIPZM7BG7 · pith_short_16: QFNYIPZM7BG77QPY · pith_short_8: QFNYIPZM

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/QFNYIPZM7BG77QPYYDBWPOI3CG \
  | 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: 815b843f2cf84dffc1f8c0c367b91b119404d11906ce7955fe267084745d0607

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4350c02269091c274d3e07acf12d49629caa7837737c011cf5ca02be270b0524",
    "cross_cats_sorted": [
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2014-10-31T10:21:30Z",
    "title_canon_sha256": "15ac95143665fd2ab5d565f2c8b65717d22cc96cc066e1ee54485302e34e4753"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.8692",
    "kind": "arxiv",
    "version": 2
  }
}