Pith Number

pith:KOOQHAM7

pith:2015:KOOQHAM7QXLOF5Z4CQIQAHW2JG

not attested not anchored not stored refs pending

Regression and Learning to Rank Aggregation for User Engagement Evaluation

Azadeh Shakery, Hamed Zamani, Pooya Moradi

arxiv:1501.07467 v1 · 2015-01-29 · cs.IR · 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{KOOQHAM7QXLOF5Z4CQIQAHW2JG}

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	2026-05-18T02:28:21.847160Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

539d03819f85d6e2f73c1411001eda49b4ed1cca60e10f7bee195be83a91f80d

Aliases

arxiv: 1501.07467 · arxiv_version: 1501.07467v1 · doi: 10.48550/arxiv.1501.07467 · pith_short_12: KOOQHAM7QXLO · pith_short_16: KOOQHAM7QXLOF5Z4 · pith_short_8: KOOQHAM7

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/KOOQHAM7QXLOF5Z4CQIQAHW2JG \
  | 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: 539d03819f85d6e2f73c1411001eda49b4ed1cca60e10f7bee195be83a91f80d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96cccbffbd4d01baba403e4b99779460e749454ac9cf80314a607289d4bce4d2",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2015-01-29T14:54:12Z",
    "title_canon_sha256": "f1504085be314357218b57a24fe0a70d26a79541842b8fbff1fce2afd9754534"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.07467",
    "kind": "arxiv",
    "version": 1
  }
}