Pith Number

pith:YOZKOCR2

pith:2017:YOZKOCR2MMCH4L4SLLSGIBDWVE

not attested not anchored not stored refs pending

A Constructive Framework for Galois Connections

Francesco Ranzato

arxiv:1704.08909 v1 · 2017-04-28 · cs.PL · 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{YOZKOCR2MMCH4L4SLLSGIBDWVE}

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	2026-05-18T00:45:25.019325Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3b2a70a3a63047e2f925ae4640476a93a90e489c3abb574fa762d1175035e38

Aliases

arxiv: 1704.08909 · arxiv_version: 1704.08909v1 · doi: 10.48550/arxiv.1704.08909 · pith_short_12: YOZKOCR2MMCH · pith_short_16: YOZKOCR2MMCH4L4S · pith_short_8: YOZKOCR2

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/YOZKOCR2MMCH4L4SLLSGIBDWVE \
  | 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: c3b2a70a3a63047e2f925ae4640476a93a90e489c3abb574fa762d1175035e38

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c9481cd2dc61dae81ea23c9c8bf77138907dba9d64c1d0577dbe8a7c61caa9f",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2017-04-28T12:58:01Z",
    "title_canon_sha256": "2dbdcbce8eb322de5a7e4965c4c11545922846356a29beea98113230bd606bac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.08909",
    "kind": "arxiv",
    "version": 1
  }
}