Pith Number

pith:KPYFOFTI

pith:2018:KPYFOFTI5KC6BX6QWSDS2TSLM2

not attested not anchored not stored refs pending

Classification transfer for qualitative reasoning problems

Antoine Mottet, Barnaby Martin, Manuel Bodirsky, Peter Jonsson

arxiv:1805.02038 v1 · 2018-05-05 · cs.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{KPYFOFTI5KC6BX6QWSDS2TSLM2}

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	2026-05-18T00:16:41.164750Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53f0571668ea85e0dfd0b4872d4e4b66ae316309f9eae75046817a173db16243

Aliases

arxiv: 1805.02038 · arxiv_version: 1805.02038v1 · doi: 10.48550/arxiv.1805.02038 · pith_short_12: KPYFOFTI5KC6 · pith_short_16: KPYFOFTI5KC6BX6Q · pith_short_8: KPYFOFTI

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/KPYFOFTI5KC6BX6QWSDS2TSLM2 \
  | 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: 53f0571668ea85e0dfd0b4872d4e4b66ae316309f9eae75046817a173db16243

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c61b78e304b83f6fffe8be3a16037a2827180a8c6dbb5f7356e27650d932b920",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2018-05-05T10:31:10Z",
    "title_canon_sha256": "adc5d82d294bf55cbf91841efa093613123da7a10b891d3ec4f39be52d70a93e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.02038",
    "kind": "arxiv",
    "version": 1
  }
}