Pith Number

pith:7QJ4NJZ5

pith:2019:7QJ4NJZ5V5OOMV42UNGRC5T6JL

not attested not anchored not stored refs pending

The advantages of multiple classes for reducing overfitting from test set reuse

Moritz Hardt, Roy Frostig, Vitaly Feldman

arxiv:1905.10360 v1 · 2019-05-24 · cs.LG · cs.DS · 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{7QJ4NJZ5V5OOMV42UNGRC5T6JL}

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	2026-05-17T23:45:10.476632Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc13c6a73daf5ce6579aa34d11767e4ae33f2c1388ef614e0e104ecd2d285b71

Aliases

arxiv: 1905.10360 · arxiv_version: 1905.10360v1 · doi: 10.48550/arxiv.1905.10360 · pith_short_12: 7QJ4NJZ5V5OO · pith_short_16: 7QJ4NJZ5V5OOMV42 · pith_short_8: 7QJ4NJZ5

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/7QJ4NJZ5V5OOMV42UNGRC5T6JL \
  | 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: fc13c6a73daf5ce6579aa34d11767e4ae33f2c1388ef614e0e104ecd2d285b71

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8588b5d1ceae2eb299c20680e050f6b72dec40bdca06449fb3b9d66e8d3f4a5e",
    "cross_cats_sorted": [
      "cs.DS",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-05-24T17:59:32Z",
    "title_canon_sha256": "fad524bf3fa340fd2f0184c7c2619db0b012c370447617c9f27c203c092431c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.10360",
    "kind": "arxiv",
    "version": 1
  }
}