Pith Number

pith:75MZQEPQ

pith:2022:75MZQEPQAYNF5FZHC47G6FQJ77

not attested not anchored not stored refs pending

Contrastive Embedding Distribution Refinement and Entropy-Aware Attention for 3D Point Cloud Classification

Feng Yang, Qifan Xue, Shuai Jin, Weigong Zhang, Xuanpeng Li, Yichao Cao

arxiv:2201.11388 v1 · 2022-01-27 · cs.CV · 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{75MZQEPQAYNF5FZHC47G6FQJ77}

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	2026-07-05T03:52:01.902945Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff599811f0061a5e9727173e6f1609fff5ef50acbaa1fbce19fc32febe70c1d2

Aliases

arxiv: 2201.11388 · arxiv_version: 2201.11388v1 · doi: 10.48550/arxiv.2201.11388 · pith_short_12: 75MZQEPQAYNF · pith_short_16: 75MZQEPQAYNF5FZH · pith_short_8: 75MZQEPQ

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/75MZQEPQAYNF5FZHC47G6FQJ77 \
  | 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: ff599811f0061a5e9727173e6f1609fff5ef50acbaa1fbce19fc32febe70c1d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7230373462c08681c241e2adf8fb8c38e0b6e41dc8ce391d5b3814478f38ba77",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2022-01-27T09:10:28Z",
    "title_canon_sha256": "c4a71ac4f4084ed5e5dc23ce56ddd21ee641d46a748e29d7f76167f0a7c98854"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.11388",
    "kind": "arxiv",
    "version": 1
  }
}