Pith Number

pith:DB3TXHPK

pith:2026:DB3TXHPKZUCYKGLUYS5534LDJ7

not attested not anchored not stored refs pending

Rethinking Contrastive Learning for Graph Collaborative Filtering: Limitations and a Simple Remedy

Geon Lee, Kijung Shin, Kyungho Kim, Sunwoo Kim

arxiv:2605.24015 v1 · 2026-05-20 · 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{DB3TXHPKZUCYKGLUYS5534LDJ7}

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	2026-05-26T01:02:41.217014Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18773b9deacd05851974c4bbddf1634fe98a2b5a5968281f867865f6efb3936c

Aliases

arxiv: 2605.24015 · arxiv_version: 2605.24015v1 · doi: 10.48550/arxiv.2605.24015 · pith_short_12: DB3TXHPKZUCY · pith_short_16: DB3TXHPKZUCYKGLU · pith_short_8: DB3TXHPK

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/DB3TXHPKZUCYKGLUYS5534LDJ7 \
  | 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: 18773b9deacd05851974c4bbddf1634fe98a2b5a5968281f867865f6efb3936c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e983cdac81a9a2de3936412b2adfe23dff3ed8f3c241d14f08e6e2d370d20860",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2026-05-20T03:19:06Z",
    "title_canon_sha256": "44cc5f183b8e95e58e628666f7d9f62a9748096d1d1d8bd8d5e921c4b8140090"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.24015",
    "kind": "arxiv",
    "version": 1
  }
}