Pith Number

pith:IMPYN7WQ

pith:2021:IMPYN7WQFTLOGKOBMKCXWWCQDA

not attested not anchored not stored refs pending

PASTO: Strategic Parameter Optimization in Recommendation Systems -- Probabilistic is Better than Deterministic

Chao Song, Dongying Kong, Dong Zheng, Guangxu Yang, Hanlin Tang, Jie Zheng, Ji Liu, Jingshuo Feng, Jing Wang, Kai Ren, Lei Yuan, Peng Jiang, Qiang Su, Qiao Lian, Sen Yang, Weicong Ding, Xuezhong Qiu, Yang Liu, Yongqi Liu, Yuxuan Chen

arxiv:2108.09076 v1 · 2021-08-20 · 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{IMPYN7WQFTLOGKOBMKCXWWCQDA}

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	2026-07-05T03:07:33.804161Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

431f86fed02cd6e329c162857b5850182e85981ce4f23baa92b7099f5b2597e8

Aliases

arxiv: 2108.09076 · arxiv_version: 2108.09076v1 · doi: 10.48550/arxiv.2108.09076 · pith_short_12: IMPYN7WQFTLO · pith_short_16: IMPYN7WQFTLOGKOB · pith_short_8: IMPYN7WQ

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/IMPYN7WQFTLOGKOBMKCXWWCQDA \
  | 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: 431f86fed02cd6e329c162857b5850182e85981ce4f23baa92b7099f5b2597e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "346f5e212eac2a3bd66c5f22ec70ab2c8e32f9f5949c8a1c40d73155880402c2",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-08-20T09:02:58Z",
    "title_canon_sha256": "f7e9b596153607687c9639355575ed6ac09b76166324590d2d0613856b0378f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.09076",
    "kind": "arxiv",
    "version": 1
  }
}