Pith Number

pith:QYGXMQUZ

pith:2021:QYGXMQUZZ354OSVJ3MOZNMDM7F

not attested not anchored not stored refs pending

Are Graph Augmentations Necessary? Simple Graph Contrastive Learning for Recommendation

Hongzhi Yin, Junliang Yu, Lizhen Cui, Quoc Viet Hung Nguyen, Tong Chen, Xin Xia

arxiv:2112.08679 v4 · 2021-12-16 · 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{QYGXMQUZZ354OSVJ3MOZNMDM7F}

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	2026-07-05T04:21:08.088270Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

860d764299cefbc74aa9db1d96b06cf96ec2f136437a42c44b8d3ccbeacbffb0

Aliases

arxiv: 2112.08679 · arxiv_version: 2112.08679v4 · doi: 10.48550/arxiv.2112.08679 · pith_short_12: QYGXMQUZZ354 · pith_short_16: QYGXMQUZZ354OSVJ · pith_short_8: QYGXMQUZ

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/QYGXMQUZZ354OSVJ3MOZNMDM7F \
  | 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: 860d764299cefbc74aa9db1d96b06cf96ec2f136437a42c44b8d3ccbeacbffb0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c347a3ff887399ec5258028ec42a7ce8c901f01534db35d4332d47213373cff1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2021-12-16T07:50:34Z",
    "title_canon_sha256": "ecbe9b6dd04960bffbf2ecd0f50e1252286f5550c1cf788c2bebe13a500de34c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.08679",
    "kind": "arxiv",
    "version": 4
  }
}