Pith Number

pith:5UTC4TNS

pith:2022:5UTC4TNSKEGCMDRFW3B4AHABWH

not attested not anchored not stored refs pending

Local Policy Improvement for Recommender Systems

Dawen Liang, Nikos Vlassis

arxiv:2212.11431 v2 · 2022-12-22 · cs.LG · 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{5UTC4TNSKEGCMDRFW3B4AHABWH}

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.

Cited by

1 paper in Pith

Exponential Reward Weighting for Fine-Tuning Generative Recommenders under Sparse and Noisy Feedback

Receipt and verification

First computed	2026-07-05T06:04:52.999641Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed262e4db2510c260e25b6c3c01c01b1d405f10d90a706ac00475399e680cf4b

Aliases

arxiv: 2212.11431 · arxiv_version: 2212.11431v2 · doi: 10.48550/arxiv.2212.11431 · pith_short_12: 5UTC4TNSKEGC · pith_short_16: 5UTC4TNSKEGCMDRF · pith_short_8: 5UTC4TNS

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/5UTC4TNSKEGCMDRFW3B4AHABWH \
  | 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: ed262e4db2510c260e25b6c3c01c01b1d405f10d90a706ac00475399e680cf4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab10578e05e54554c8f6e4921ed4543a7d7d74466245a16de742675a0542b08e",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-12-22T00:47:40Z",
    "title_canon_sha256": "8ca73747f12b6f495de89ece7524649df4b3fc9b1e5d9d330e677459273c6bcb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2212.11431",
    "kind": "arxiv",
    "version": 2
  }
}