Pith Number

pith:QQCMJDAN

pith:2025:QQCMJDANOFBSPFWQGWZHR4I5GU

not attested not anchored not stored refs pending

Industry Insights from Comparing Deep Learning and GBDT Models for E-Commerce Learning-to-Rank

Philipp Duwe, Timo Wilm, Yunus Lutz

arxiv:2507.20753 v1 · 2025-07-28 · cs.IR · cs.AI · 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{QQCMJDANOFBSPFWQGWZHR4I5GU}

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	2026-07-05T11:44:25.325814Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8404c48c0d71432796d035b278f11d3502f91842b0c5bd16c2651d62381b74cb

Aliases

arxiv: 2507.20753 · arxiv_version: 2507.20753v1 · doi: 10.48550/arxiv.2507.20753 · pith_short_12: QQCMJDANOFBS · pith_short_16: QQCMJDANOFBSPFWQ · pith_short_8: QQCMJDAN

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/QQCMJDANOFBSPFWQGWZHR4I5GU \
  | 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: 8404c48c0d71432796d035b278f11d3502f91842b0c5bd16c2651d62381b74cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6149dffe23cc9e2c3955121528e6eb6daf70a64c31475e5b22567ced54a74808",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2025-07-28T12:02:02Z",
    "title_canon_sha256": "8c28cc0518b7c48486433c362cec7f58e05ace7320ea8d43c0a19bd9cff5dd41"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.20753",
    "kind": "arxiv",
    "version": 1
  }
}