Pith Number

pith:WQIPZ6ZT

pith:2015:WQIPZ6ZTELHQEN5BU65A5QQZJK

not attested not anchored not stored refs pending

AUC Optimisation and Collaborative Filtering

Charanpal Dhanjal (LTCI), Romaric Gaudel (SEQUEL), Stephan Clemencon (LTCI)

arxiv:1508.06091 v1 · 2015-08-25 · stat.ML · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WQIPZ6ZTELHQEN5BU65A5QQZJK}

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	2026-05-18T01:34:46.892656Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b410fcfb3322cf0237a1a7ba0ec2194a8aeb4da83fe4e66a2e8fcfe0a2bcd014

Aliases

arxiv: 1508.06091 · arxiv_version: 1508.06091v1 · doi: 10.48550/arxiv.1508.06091 · pith_short_12: WQIPZ6ZTELHQ · pith_short_16: WQIPZ6ZTELHQEN5B · pith_short_8: WQIPZ6ZT

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/WQIPZ6ZTELHQEN5BU65A5QQZJK \
  | 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: b410fcfb3322cf0237a1a7ba0ec2194a8aeb4da83fe4e66a2e8fcfe0a2bcd014

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7912bf0ff2c944ed6a822285293bea0c51f098e5c7a2d3fe0a34f6608f58d32",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2015-08-25T09:46:09Z",
    "title_canon_sha256": "e642e7ca84ba128d6d851231f3c5ac2964a627d5c9afd995127011e2a166bd67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.06091",
    "kind": "arxiv",
    "version": 1
  }
}