Pith Number

pith:OFB7EVII

pith:2025:OFB7EVII6VFZCNBV6OLCA6SYKE

not attested not anchored not stored refs pending

UMRE: A Unified Monotonic Transformation for Ranking Ensemble in Recommender Systems

Han Li, Luocheng Lin, Shukai Liu, Xiaoyan Liu, Yongqi Liu, Zhengrui Xu, Zhengxiao Guo, Zhe Yang

arxiv:2508.07613 v2 · 2025-08-11 · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OFB7EVII6VFZCNBV6OLCA6SYKE}

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	2026-07-05T11:55:21.281381Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7143f25508f54b913435f396207a585133fe10d86fbf012ece8e36fe0ffd6d0d

Aliases

arxiv: 2508.07613 · arxiv_version: 2508.07613v2 · doi: 10.48550/arxiv.2508.07613 · pith_short_12: OFB7EVII6VFZ · pith_short_16: OFB7EVII6VFZCNBV · pith_short_8: OFB7EVII

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/OFB7EVII6VFZCNBV6OLCA6SYKE \
  | 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: 7143f25508f54b913435f396207a585133fe10d86fbf012ece8e36fe0ffd6d0d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9a4cdea54292da319275d5ffb1b65c70da961cca97e2f2364b5cc6a7a27f73b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2025-08-11T04:38:57Z",
    "title_canon_sha256": "ed900e74b63526dd36fb986307c32940ce7c7a3136de30aff7d6a2376800ea7f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.07613",
    "kind": "arxiv",
    "version": 2
  }
}