Pith Number

pith:3WWRDQWC

pith:2019:3WWRDQWCQ3PQZ66RIAIG4F6634

not attested not anchored not stored refs pending

L2G Auto-encoder: Understanding Point Clouds by Local-to-Global Reconstruction with Hierarchical Self-Attention

Matthias Zwicker, Xinhai Liu, Xin Wen, Yu-Shen Liu, Zhizhong Han

arxiv:1908.00720 v1 · 2019-08-02 · cs.CV · 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{3WWRDQWCQ3PQZ66RIAIG4F6634}

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	2026-07-04T23:51:08.892396Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ddad11c2c286df0cfbd140106e17dedf1ec54d92d6560e8159d8c5a2d4ad248f

Aliases

arxiv: 1908.00720 · arxiv_version: 1908.00720v1 · doi: 10.48550/arxiv.1908.00720 · pith_short_12: 3WWRDQWCQ3PQ · pith_short_16: 3WWRDQWCQ3PQZ66R · pith_short_8: 3WWRDQWC

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/3WWRDQWCQ3PQZ66RIAIG4F6634 \
  | 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: ddad11c2c286df0cfbd140106e17dedf1ec54d92d6560e8159d8c5a2d4ad248f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9b06d68aa311764ec951af5b1dbee64fe5dd75e2dff7d4d1f8d65e9d0642fbd",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-08-02T06:50:59Z",
    "title_canon_sha256": "b1e67f6a2e4028aa7ac367ee412c9e0803fe50c41faa38d47982e3332315b9ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.00720",
    "kind": "arxiv",
    "version": 1
  }
}