Pith Number

pith:HZFR3EP3

pith:2023:HZFR3EP33R3UFO6OA5GVKQJNUK

not attested not anchored not stored refs pending

Self-Supervised Interest Transfer Network via Prototypical Contrastive Learning for Recommendation

Chenyi Lei, Chunming Wu, Fei Fang, Guoqiang Sun, Hongyan Liu, Sijin Zhou, Xiang Chen, Xianhui Wei, Yibin Shen

arxiv:2302.14438 v1 · 2023-02-28 · cs.IR · cs.AI · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HZFR3EP33R3UFO6OA5GVKQJNUK}

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	2026-07-05T05:46:45.409838Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e4b1d91fbdc7742bbce074d55412da2a0ebc8d7a92e326acaf05278ba73fd5f

Aliases

arxiv: 2302.14438 · arxiv_version: 2302.14438v1 · doi: 10.48550/arxiv.2302.14438 · pith_short_12: HZFR3EP33R3U · pith_short_16: HZFR3EP33R3UFO6O · pith_short_8: HZFR3EP3

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/HZFR3EP33R3UFO6OA5GVKQJNUK \
  | 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: 3e4b1d91fbdc7742bbce074d55412da2a0ebc8d7a92e326acaf05278ba73fd5f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82c404f09c78de9a3dab4a781581f1d205ed416b4ee972b3ebde4800e470b7f4",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2023-02-28T09:30:24Z",
    "title_canon_sha256": "6dd5d51b12d02ef551b509a330f78fd72e93f4fd1d10bd47d3163534ef9fd07a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2302.14438",
    "kind": "arxiv",
    "version": 1
  }
}