Pith Number

pith:3LYW4HMU

pith:2026:3LYW4HMUXLVWOEBM6OADO2GTOW

not attested not anchored not stored refs pending

A Production-Ready RL Framework for Personalized Utility Tuning with Pareto Sweeping in Pinterest Recommender Systems

Andreanne Lemay, Charles Rosenberg, Dhruvil Deven Badani, Jaewon Yang, Jiacong He, Jiajing Xu, Jiaye Wang, Josie Zeng, Lin Yang, Mehdi Ben Ayed, Yichu Zhou, Yijie Dylan Wang

arxiv:2605.16344 v1 · 2026-05-08 · 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{3LYW4HMUXLVWOEBM6OADO2GTOW}

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	2026-05-20T00:02:17.672952Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

daf16e1d94baeb67102cf3803768d375b958d6bd448906468cbceb2d6560c9a8

Aliases

arxiv: 2605.16344 · arxiv_version: 2605.16344v1 · doi: 10.48550/arxiv.2605.16344 · pith_short_12: 3LYW4HMUXLVW · pith_short_16: 3LYW4HMUXLVWOEBM · pith_short_8: 3LYW4HMU

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/3LYW4HMUXLVWOEBM6OADO2GTOW \
  | 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: daf16e1d94baeb67102cf3803768d375b958d6bd448906468cbceb2d6560c9a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "735073274eb5c35e63eecc71e1ed78d0d7b93992fa500d8cbbe7156571af8ccd",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2026-05-08T01:48:49Z",
    "title_canon_sha256": "c73104ad14b74d970cc59c92a1b9f6d40e2f4e8f9f03dae7e3f955f37e6b062b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.16344",
    "kind": "arxiv",
    "version": 1
  }
}