Pith Number

pith:RU3GPVCE

pith:2022:RU3GPVCEEAX6LRGG57YP6YTVDJ

not attested not anchored not stored refs pending

HCL: Improving Graph Representation with Hierarchical Contrastive Learning

Changyu Hou, Guotong Xie, Jun Wang, Peng Gao, Pengyong Li, Rui Fang, Weixun Li, Xin Tang, Yixuan Qiao

arxiv:2210.12020 v1 · 2022-10-21 · cs.LG · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RU3GPVCEEAX6LRGG57YP6YTVDJ}

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	2026-07-05T05:09:08.294074Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d3667d444202fe5c4c6eff0ff62751a52411d4e0b595ca8918652ef92699584

Aliases

arxiv: 2210.12020 · arxiv_version: 2210.12020v1 · doi: 10.48550/arxiv.2210.12020 · pith_short_12: RU3GPVCEEAX6 · pith_short_16: RU3GPVCEEAX6LRGG · pith_short_8: RU3GPVCE

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/RU3GPVCEEAX6LRGG57YP6YTVDJ \
  | 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: 8d3667d444202fe5c4c6eff0ff62751a52411d4e0b595ca8918652ef92699584

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "339ec31726eb617c9f13e42740e69b9e8456b952b9c9d52d79d2d16484b9104a",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-10-21T15:07:46Z",
    "title_canon_sha256": "d526a77290d3070b29f10fb191e720db7561d968f446548001753c6778727e7d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.12020",
    "kind": "arxiv",
    "version": 1
  }
}