Pith Number

pith:YPQTB5PK

pith:2015:YPQTB5PKZMI57GPYNMK6O22N6S

not attested not anchored not stored refs pending

Toward a Better Understanding of Leaderboard

Wenjie Zheng

arxiv:1510.03349 v2 · 2015-10-12 · stat.ML · cs.LG · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YPQTB5PKZMI57GPYNMK6O22N6S}

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	2026-05-18T00:42:51.918263Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3e130f5eacb11df99f86b15e76b4df4962a87a73d89f044e5174c0dd55972c2

Aliases

arxiv: 1510.03349 · arxiv_version: 1510.03349v2 · doi: 10.48550/arxiv.1510.03349 · pith_short_12: YPQTB5PKZMI5 · pith_short_16: YPQTB5PKZMI57GPY · pith_short_8: YPQTB5PK

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/YPQTB5PKZMI57GPYNMK6O22N6S \
  | 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: c3e130f5eacb11df99f86b15e76b4df4962a87a73d89f044e5174c0dd55972c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e04a588b3d98cd035319224900124e536ad9c5c97a3fef1489d21a050b520638",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2015-10-12T16:12:49Z",
    "title_canon_sha256": "6ca71f54257a7fa5debdcbf77c4fb0f6f55cf8072d22e12f9036520c590f1067"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.03349",
    "kind": "arxiv",
    "version": 2
  }
}