Pith Number

pith:HKPNG5PT

pith:2018:HKPNG5PTH6Y3KLUL4LU4V23LTY

not attested not anchored not stored refs pending

3D Point Cloud Denoising via Bipartite Graph Approximation and Reweighted Graph Laplacian

Chinthaka Dinesh, Gene Cheung, Ivan V. Bajic

arxiv:1812.07711 v1 · 2018-12-19 · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HKPNG5PTH6Y3KLUL4LU4V23LTY}

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	2026-05-17T23:57:56.240722Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a9ed375f33fb1b52e8be2e9caeb6b9e3c45fe1e0294082f152fd3ba4fa46308

Aliases

arxiv: 1812.07711 · arxiv_version: 1812.07711v1 · doi: 10.48550/arxiv.1812.07711 · pith_short_12: HKPNG5PTH6Y3 · pith_short_16: HKPNG5PTH6Y3KLUL · pith_short_8: HKPNG5PT

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/HKPNG5PTH6Y3KLUL4LU4V23LTY \
  | 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: 3a9ed375f33fb1b52e8be2e9caeb6b9e3c45fe1e0294082f152fd3ba4fa46308

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9db29d6c63e497e292a03445e486e3bbc78af2d3f625599e4dc166e97474d3c4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2018-12-19T00:39:12Z",
    "title_canon_sha256": "87e439b3971789c5afe8601c34313f6b6d8c43c7f6e0bbd282f70d7be03d353b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.07711",
    "kind": "arxiv",
    "version": 1
  }
}