Pith Number

pith:OMMNKLPH

pith:2021:OMMNKLPHN2KSBAACPX7WCLN5UD

not attested not anchored not stored refs pending

Where are we in embedding spaces? A Comprehensive Analysis on Network Embedding Approaches for Recommender Systems

Guandong Xu, Hongxu Chen, Hongzhi Yin, Lizhen Cui, Sixiao Zhang, Xiao Ming

arxiv:2105.08908 v1 · 2021-05-19 · cs.IR · 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{OMMNKLPHN2KSBAACPX7WCLN5UD}

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	2026-07-05T03:51:07.236069Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7318d52de76e952080027dff612dbda0f8411239a9742d7cb5cad8d19d95f215

Aliases

arxiv: 2105.08908 · arxiv_version: 2105.08908v1 · doi: 10.48550/arxiv.2105.08908 · pith_short_12: OMMNKLPHN2KS · pith_short_16: OMMNKLPHN2KSBAAC · pith_short_8: OMMNKLPH

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/OMMNKLPHN2KSBAACPX7WCLN5UD \
  | 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: 7318d52de76e952080027dff612dbda0f8411239a9742d7cb5cad8d19d95f215

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29d858e2daa7a7d9aba16addfbded072e53224e2249cd0ea20a32e040e34acbf",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2021-05-19T03:46:41Z",
    "title_canon_sha256": "e622ad960e8658e1708d593004a5f9312e8b7f03c9b2698c3235ed1e07eea717"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.08908",
    "kind": "arxiv",
    "version": 1
  }
}