Pith Number

pith:33KHEW7T

pith:2026:33KHEW7T7OBU2QMOJNHQ5A3SJS

not attested not anchored not stored refs pending

Objective Quality Assessment of Point Clouds Using Multi-scale Implicit Structural Similarity

Fuzheng Yang, Junhui Hou, Shuai Wan, Siyu Ren, Yuezhe Zhang, Zhang Chen

arxiv:2601.01200 v3 · 2026-01-03 · cs.CV · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{33KHEW7T7OBU2QMOJNHQ5A3SJS}

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	2026-06-19T16:11:18.919498Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ded4725bf3fb834d418e4b4f0e83724ca24162dc232eab0d2ebb921dcc9da323

Aliases

arxiv: 2601.01200 · arxiv_version: 2601.01200v3 · doi: 10.48550/arxiv.2601.01200 · pith_short_12: 33KHEW7T7OBU · pith_short_16: 33KHEW7T7OBU2QMO · pith_short_8: 33KHEW7T

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/33KHEW7T7OBU2QMOJNHQ5A3SJS \
  | 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: ded4725bf3fb834d418e4b4f0e83724ca24162dc232eab0d2ebb921dcc9da323

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2e593b4c43b01d067d0a4dad756f1d336518a0700daa41510f1a33a2008d3e8",
    "cross_cats_sorted": [
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-01-03T14:58:52Z",
    "title_canon_sha256": "74dbf4f15b9da02e886fa01eeeab6790243b413ea17a6c58960b4fcbab78d565"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.01200",
    "kind": "arxiv",
    "version": 3
  }
}