Pith Number

pith:57Q3BFIL

pith:2018:57Q3BFILU7QWTPHBPEG5DPWBFO

not attested not anchored not stored refs pending

Threshold Auto-Tuning Metric Learning

Rachelle Rivero, Tsuyoshi Kato, Yuya Onuma

arxiv:1801.02125 v2 · 2018-01-07 · cs.LG · 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{57Q3BFILU7QWTPHBPEG5DPWBFO}

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	2026-05-18T00:23:44.922536Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

efe1b0950ba7e169bce1790dd1bec12ba067ff3696048bc8a34d3f217e56abf6

Aliases

arxiv: 1801.02125 · arxiv_version: 1801.02125v2 · doi: 10.48550/arxiv.1801.02125 · pith_short_12: 57Q3BFILU7QW · pith_short_16: 57Q3BFILU7QWTPHB · pith_short_8: 57Q3BFIL

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/57Q3BFILU7QWTPHBPEG5DPWBFO \
  | 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: efe1b0950ba7e169bce1790dd1bec12ba067ff3696048bc8a34d3f217e56abf6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a8215bc3a19dde8b87d6d774b11ccb49104e2cf0a51f2a0c27cb5d07522926d",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-01-07T04:01:24Z",
    "title_canon_sha256": "22f37a24fe6a588e8854cc9b6804f10d2c4c194265fea96756740df68391d6ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.02125",
    "kind": "arxiv",
    "version": 2
  }
}