Pith Number

pith:N4K2LIYF

pith:2013:N4K2LIYFF5K75REK7ZCXFIP7TB

not attested not anchored not stored refs pending

Margins, Shrinkage, and Boosting

Matus Telgarsky

arxiv:1303.4172 v1 · 2013-03-18 · 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{N4K2LIYFF5K75REK7ZCXFIP7TB}

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	2026-05-18T03:30:39.547358Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f15a5a3052f55fec48afe4572a1ff986301a3c41c35e4e37cab8d33c4e80a21

Aliases

arxiv: 1303.4172 · arxiv_version: 1303.4172v1 · doi: 10.48550/arxiv.1303.4172 · pith_short_12: N4K2LIYFF5K7 · pith_short_16: N4K2LIYFF5K75REK · pith_short_8: N4K2LIYF

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/N4K2LIYFF5K75REK7ZCXFIP7TB \
  | 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: 6f15a5a3052f55fec48afe4572a1ff986301a3c41c35e4e37cab8d33c4e80a21

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58840c2b75ee343a77584fb973a9e3a7cf6e08487d288663e4e78f8b55a23d7f",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2013-03-18T07:33:29Z",
    "title_canon_sha256": "e8ca868c24d6eba572ee478c79588c5bab81c85bdb7ee5f28c0c704748eb8c3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.4172",
    "kind": "arxiv",
    "version": 1
  }
}