Pith Number

pith:5SNK2P6Y

pith:2026:5SNK2P6YAQUFUIADKQNG7QUEGL

not attested not anchored not stored refs pending

Beyond Instance-Level Alignment and Uniformity: Semantic Factor Learning for Collaborative Filtering

Chenzhong Bin, Cihan Xia, Jiafeng Wu, Tongxin Xu, Yajie Yu, Zhixin Zeng, Zhoubo Xu

arxiv:2605.31414 v1 · 2026-05-29 · 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{5SNK2P6YAQUFUIADKQNG7QUEGL}

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	2026-06-01T02:04:04.406797Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec9aad3fd804285a2003541a6fc28432cf610caf831a9ab4ae8407b0f97e0fa5

Aliases

arxiv: 2605.31414 · arxiv_version: 2605.31414v1 · doi: 10.48550/arxiv.2605.31414 · pith_short_12: 5SNK2P6YAQUF · pith_short_16: 5SNK2P6YAQUFUIAD · pith_short_8: 5SNK2P6Y

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/5SNK2P6YAQUFUIADKQNG7QUEGL \
  | 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: ec9aad3fd804285a2003541a6fc28432cf610caf831a9ab4ae8407b0f97e0fa5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6723f34e1323889b7f974042401efdf1c86cf2b6663b76135b1fe019b440e160",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2026-05-29T15:15:21Z",
    "title_canon_sha256": "6f9b6c0bd746fd533d1eeb9597aaa277f6dd5ca6e6fbe77baeda43377e2aaa23"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.31414",
    "kind": "arxiv",
    "version": 1
  }
}