Pith Number

pith:52V7YDRL

pith:2026:52V7YDRL63VQ5SRTIZCGOKBGAV

not attested not anchored not stored refs pending

Divide et Calibra: Multiclass Local Calibration via Vector Quantization

Andrea Passerini, Andrea Pugnana, Cesare Barbera, Giovanni De Toni, Lorenzo Perini

arxiv:2605.21060 v1 · 2026-05-20 · cs.LG · cs.AI · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{52V7YDRL63VQ5SRTIZCGOKBGAV}

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	2026-05-21T01:05:34.611506Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eeabfc0e2bf6eb0eca334644672826055b17eba1f69f67c9b263eea47d71872f

Aliases

arxiv: 2605.21060 · arxiv_version: 2605.21060v1 · doi: 10.48550/arxiv.2605.21060 · pith_short_12: 52V7YDRL63VQ · pith_short_16: 52V7YDRL63VQ5SRT · pith_short_8: 52V7YDRL

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/52V7YDRL63VQ5SRTIZCGOKBGAV \
  | 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: eeabfc0e2bf6eb0eca334644672826055b17eba1f69f67c9b263eea47d71872f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02ea82ed29a8abeef8a187545ab057fa30ca8776108fa0fe09a316dbc300b776",
    "cross_cats_sorted": [
      "cs.AI",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-20T11:44:55Z",
    "title_canon_sha256": "035de884ae44939fa6b1975a57a75936368daacc0854d43b47cc623ae854e41d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.21060",
    "kind": "arxiv",
    "version": 1
  }
}