Pith Number

pith:FMTUJ2FC

pith:2021:FMTUJ2FCRARU27QXQHF2DNR5BL

not attested not anchored not stored refs pending

HCGR: Hyperbolic Contrastive Graph Representation Learning for Session-based Recommendation

Bing Han, Kaixin Gao, Lin Zheng, Naicheng Guo, Qiongxu Ma, Shaoshuai Li, Xiaobo Guo, Xiaolei Liu, Yunan Zhao

arxiv:2107.05366 v1 · 2021-07-06 · cs.IR · 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{FMTUJ2FCRARU27QXQHF2DNR5BL}

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	2026-07-05T02:57:02.083299Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b2744e8a288234d7e1781cba1b63d0afe57fa40c681aa9fec5f9e27cc0c0574

Aliases

arxiv: 2107.05366 · arxiv_version: 2107.05366v1 · doi: 10.48550/arxiv.2107.05366 · pith_short_12: FMTUJ2FCRARU · pith_short_16: FMTUJ2FCRARU27QX · pith_short_8: FMTUJ2FC

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/FMTUJ2FCRARU27QXQHF2DNR5BL \
  | 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: 2b2744e8a288234d7e1781cba1b63d0afe57fa40c681aa9fec5f9e27cc0c0574

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c78fd874fe8bf8827eebb208d29ff8600b6e5134f0ab91e64d42082de25a94b",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2021-07-06T01:46:16Z",
    "title_canon_sha256": "da43a41f33a87f76604cf52856adc54342a732db6f587097ce3c879227c94912"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.05366",
    "kind": "arxiv",
    "version": 1
  }
}