Pith Number

pith:SYTTZ6WU

pith:2026:SYTTZ6WU54QGNH2PWVQ6R7LXOC

not attested not anchored not stored refs pending

Heterogeneous Ranking in Industrial-Scale Recommender Systems: A Case Study

Di Bai, Jintao Liu, Luoshu Wang, Nada Al-Thawr, Peifan Wu, Zhenwei Tang

arxiv:2607.27577 v1 · 2026-07-30 · 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{SYTTZ6WU54QGNH2PWVQ6R7LXOC}

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	2026-07-31T01:26:29.356459Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

96273cfad4ef20669f4fb561e8fd77708f98f69bd41d0587a7553d50134ae111

Aliases

arxiv: 2607.27577 · arxiv_version: 2607.27577v1 · doi: 10.48550/arxiv.2607.27577 · pith_short_12: SYTTZ6WU54QG · pith_short_16: SYTTZ6WU54QGNH2P · pith_short_8: SYTTZ6WU

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/SYTTZ6WU54QGNH2PWVQ6R7LXOC \
  | 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: 96273cfad4ef20669f4fb561e8fd77708f98f69bd41d0587a7553d50134ae111

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7c4d9d3c03a2453e680aabf00bf5b8a2eeb90e59516ed77200762d23727cc18",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2026-07-30T01:41:42Z",
    "title_canon_sha256": "6fd8795cbfc19ad7aaf8bef8d28162449bc549a45241cc9130ca6b814e926dd6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.27577",
    "kind": "arxiv",
    "version": 1
  }
}