Pith Number

pith:S5P5FWYP

pith:2023:S5P5FWYPYKAUDETG3CXKY25J5Y

not attested not anchored not stored refs pending

Empowering Collaborative Filtering with Principled Adversarial Contrastive Loss

An Zhang, Leheng Sheng, Tat-Seng Chua, Xiang Wang, Zhibo Cai

arxiv:2310.18700 v1 · 2023-10-28 · 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{S5P5FWYPYKAUDETG3CXKY25J5Y}

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	2026-07-05T07:06:39.818414Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

975fd2db0fc281419266d8aeac6ba9ee35ebcaf867d519dcb3d71183294cda25

Aliases

arxiv: 2310.18700 · arxiv_version: 2310.18700v1 · doi: 10.48550/arxiv.2310.18700 · pith_short_12: S5P5FWYPYKAU · pith_short_16: S5P5FWYPYKAUDETG · pith_short_8: S5P5FWYP

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/S5P5FWYPYKAUDETG3CXKY25J5Y \
  | 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: 975fd2db0fc281419266d8aeac6ba9ee35ebcaf867d519dcb3d71183294cda25

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54e0af2c3b5d8023b2a4a7991f76e176c3aeff5d85a646b52c40fa252f641054",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2023-10-28T12:57:39Z",
    "title_canon_sha256": "e3bfc39ebbf2e64f82797000a5e4ff4b40382d7bbe301370474c00362d0d9354"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2310.18700",
    "kind": "arxiv",
    "version": 1
  }
}