Pith Number

pith:CKDXK7F2

pith:2019:CKDXK7F2KCN5UBJGJ5YPZSXUEV

not attested not anchored not stored refs pending

Model Similarity Mitigates Test Set Overuse

Benjamin Recht, Horia Mania, John Miller, Ludwig Schmidt, Moritz Hardt

arxiv:1905.12580 v1 · 2019-05-29 · 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{CKDXK7F2KCN5UBJGJ5YPZSXUEV}

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	2026-05-17T23:44:43.922335Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1287757cba509bda05264f70fccaf4255b8377129e3219e9f803ec6d83f9eb44

Aliases

arxiv: 1905.12580 · arxiv_version: 1905.12580v1 · doi: 10.48550/arxiv.1905.12580 · pith_short_12: CKDXK7F2KCN5 · pith_short_16: CKDXK7F2KCN5UBJG · pith_short_8: CKDXK7F2

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/CKDXK7F2KCN5UBJGJ5YPZSXUEV \
  | 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: 1287757cba509bda05264f70fccaf4255b8377129e3219e9f803ec6d83f9eb44

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9dcdd20e1c2de2561f92735770e3cb947668f9b7cbf8c3e45f0d709bfa83657",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-05-29T16:54:37Z",
    "title_canon_sha256": "ff9986fb756c949f925caf9639de66616c055ef7d6c980ebbdf6eaba9d51c0af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.12580",
    "kind": "arxiv",
    "version": 1
  }
}