Pith Number

pith:MSUYDD76

pith:2025:MSUYDD76G7T36NOHSJTOVUKW37

not attested not anchored not stored refs pending

Separated Contrastive Learning for Matching in Cross-domain Recommendation with Curriculum Scheduling

Cheng Hu, Heng Chang, Hong Zhu, Liang Gu, Yuan Fang, Yuhui Xu, Zhen Chen, Zhinan Zhang

arxiv:2502.16239 v1 · 2025-02-22 · cs.IR · cs.LG · cs.SI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MSUYDD76G7T36NOHSJTOVUKW37}

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	2026-07-05T10:18:23.616118Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64a9818ffe37e7bf35c79266ead156dfe6dbd53e1396951409496b45d683cc2d

Aliases

arxiv: 2502.16239 · arxiv_version: 2502.16239v1 · doi: 10.48550/arxiv.2502.16239 · pith_short_12: MSUYDD76G7T3 · pith_short_16: MSUYDD76G7T36NOH · pith_short_8: MSUYDD76

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/MSUYDD76G7T36NOHSJTOVUKW37 \
  | 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: 64a9818ffe37e7bf35c79266ead156dfe6dbd53e1396951409496b45d683cc2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32c97cbf6c7ff11d9f5d1ac08d5886e6a8d7172f4385dd749cdfc2394584c9b3",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2025-02-22T14:22:48Z",
    "title_canon_sha256": "5e698be100927de3ac8be4ebeaf628f48269e3a9d086eb305c5baa08a28ff5b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.16239",
    "kind": "arxiv",
    "version": 1
  }
}