Pith Number

pith:Y5F4IWT6

pith:2021:Y5F4IWT6AYOOR7DLNSRB36W2DE

not attested not anchored not stored refs pending

View-Guided Point Cloud Completion

Changqing Zou, Hai Wan, Siqi Li, Xibin Zhao, Xuancheng Zhang, Yandong Guo, Yue Gao, Yutong Feng

arxiv:2104.05666 v2 · 2021-04-12 · cs.CV

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y5F4IWT6AYOOR7DLNSRB36W2DE}

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	2026-07-05T02:31:24.311434Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c74bc45a7e061ce8fc6b6ca21dfada191c161f44112e04fa19a7d8dad16db8da

Aliases

arxiv: 2104.05666 · arxiv_version: 2104.05666v2 · doi: 10.48550/arxiv.2104.05666 · pith_short_12: Y5F4IWT6AYOO · pith_short_16: Y5F4IWT6AYOOR7DL · pith_short_8: Y5F4IWT6

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/Y5F4IWT6AYOOR7DLNSRB36W2DE \
  | 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: c74bc45a7e061ce8fc6b6ca21dfada191c161f44112e04fa19a7d8dad16db8da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "088975327b6318d24bed9e6057bf4e22b17e7577fad7af8ba0fc07ab0a41d1fe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-04-12T17:35:45Z",
    "title_canon_sha256": "e2d70ae3aba7945c22c34a39e844b9631571e5c8dafd75cdda79eb3315afa366"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.05666",
    "kind": "arxiv",
    "version": 2
  }
}