Pith Number

pith:CJHC5E2U

pith:2024:CJHC5E2UM3KI7SEQT3PXUBQLCT

not attested not anchored not stored refs pending

Fast graph-based denoising for point cloud color information

Antonio Ortega, Eduardo Pavez, Keisuke Nonaka, Ryosuke Watanabe, Tatsuya Kobayashi

arxiv:2401.09721 v3 · 2024-01-18 · cs.CV · eess.IV · 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{CJHC5E2UM3KI7SEQT3PXUBQLCT}

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	2026-07-05T08:32:10.634403Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

124e2e935466d48fc8909edf7a060b14db31e225ed489598213699e691bcf72a

Aliases

arxiv: 2401.09721 · arxiv_version: 2401.09721v3 · doi: 10.48550/arxiv.2401.09721 · pith_short_12: CJHC5E2UM3KI · pith_short_16: CJHC5E2UM3KI7SEQ · pith_short_8: CJHC5E2U

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/CJHC5E2UM3KI7SEQT3PXUBQLCT \
  | 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: 124e2e935466d48fc8909edf7a060b14db31e225ed489598213699e691bcf72a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb01caea35667edce3527d7c2bc2038b3063153f25c6ddedd268e988879467d5",
    "cross_cats_sorted": [
      "eess.IV",
      "eess.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2024-01-18T04:51:41Z",
    "title_canon_sha256": "9e33cefa1b026e1391f367af20a2f7b3419a803826e6f3b932d83459f53a41d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2401.09721",
    "kind": "arxiv",
    "version": 3
  }
}