Pith Number

pith:LOBC3CYI

pith:2021:LOBC3CYIQLNPFPRLCKVKREIWOJ

not attested not anchored not stored refs pending

Graph Attention Collaborative Similarity Embedding for Recommender System

Chao Chang, Fei Sun, Guoyong Hu, Jinbo Song, Peng Jiang, Zhenyang Chen

arxiv:2102.03135 v1 · 2021-02-05 · 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{LOBC3CYIQLNPFPRLCKVKREIWOJ}

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	2026-07-05T02:13:06.189649Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b822d8b0882daf2be2b12aaa89116726f207e7ffbc87d5558b60623659f5b7f

Aliases

arxiv: 2102.03135 · arxiv_version: 2102.03135v1 · doi: 10.48550/arxiv.2102.03135 · pith_short_12: LOBC3CYIQLNP · pith_short_16: LOBC3CYIQLNPFPRL · pith_short_8: LOBC3CYI

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/LOBC3CYIQLNPFPRLCKVKREIWOJ \
  | 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: 5b822d8b0882daf2be2b12aaa89116726f207e7ffbc87d5558b60623659f5b7f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "790262d2122a1fb3515630ab0cca67e7d4891c2e2a92587ad5caa25814c8b196",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2021-02-05T12:26:43Z",
    "title_canon_sha256": "94d02820cdac9ab1da8d71809f68a02f514b4a6b2d89baf4a4f434c0a26e47f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.03135",
    "kind": "arxiv",
    "version": 1
  }
}