Pith Number

pith:BLQSPXLS

pith:2019:BLQSPXLS3IPRSYNCLT237O2R2J

not attested not anchored not stored refs pending

Policy Learning for Fairness in Ranking

Ashudeep Singh, Thorsten Joachims

arxiv:1902.04056 v2 · 2019-02-11 · cs.LG · cs.CY · cs.IR · 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{BLQSPXLS3IPRSYNCLT237O2R2J}

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	2026-05-17T23:42:08.338919Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ae127dd72da1f1961a25cf5bfbb51d26b2810e3408ccafa147753383bebdc78

Aliases

arxiv: 1902.04056 · arxiv_version: 1902.04056v2 · doi: 10.48550/arxiv.1902.04056 · pith_short_12: BLQSPXLS3IPR · pith_short_16: BLQSPXLS3IPRSYNC · pith_short_8: BLQSPXLS

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/BLQSPXLS3IPRSYNCLT237O2R2J \
  | 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: 0ae127dd72da1f1961a25cf5bfbb51d26b2810e3408ccafa147753383bebdc78

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a60e9f63b822815d064469a139f156c2bdbe8131f8cd273cde32349a69c0c1d",
    "cross_cats_sorted": [
      "cs.CY",
      "cs.IR",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-02-11T18:56:10Z",
    "title_canon_sha256": "0faded1f6e5db0d2f0c8f60b60dcf4d18e7e696fde65a5c5624f7847432fdcb9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.04056",
    "kind": "arxiv",
    "version": 2
  }
}