Pith Number

pith:SA2RDFPQ

pith:2025:SA2RDFPQ7UTBGCNLCKS3XLKUGV

not attested not anchored not stored refs pending

Embed Progressive Implicit Preference in Unified Space for Deep Collaborative Filtering

Anxiang Zeng, Cong Fu, Jiazhi Xia, Kun Wang, Yabo Ni, Yu Liang, Yuxuan Zhu, Zhongjin Zhang

arxiv:2505.20900 v2 · 2025-05-27 · 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{SA2RDFPQ7UTBGCNLCKS3XLKUGV}

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	2026-07-05T11:10:58.745477Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90351195f0fd261309ab12a5bbad54354cdea78121788dbaadba4d63d4ccce39

Aliases

arxiv: 2505.20900 · arxiv_version: 2505.20900v2 · doi: 10.48550/arxiv.2505.20900 · pith_short_12: SA2RDFPQ7UTB · pith_short_16: SA2RDFPQ7UTBGCNL · pith_short_8: SA2RDFPQ

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/SA2RDFPQ7UTBGCNLCKS3XLKUGV \
  | 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: 90351195f0fd261309ab12a5bbad54354cdea78121788dbaadba4d63d4ccce39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23885e6d68866e2a20e4041697063c68b85034c2c60143e4870f4518ee1ff2c9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2025-05-27T08:43:35Z",
    "title_canon_sha256": "06fc81cc4fff875ac64469ddf23dcc2851bf23790a10e5944eb9bf1c049eb80a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.20900",
    "kind": "arxiv",
    "version": 2
  }
}