Pith Number

pith:BR5LTCXV

pith:2021:BR5LTCXVIUJMLPVRORUYB3JLDK

not attested not anchored not stored refs pending

COTReg:Coupled Optimal Transport based Point Cloud Registration

Guofeng Mei, Jian Zhang, Litao Yu, Mohammed Bennamoun, Xiaoshui Huang

arxiv:2112.14381 v2 · 2021-12-29 · 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{BR5LTCXVIUJMLPVRORUYB3JLDK}

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.

Cited by

2 papers in Pith

Diff-PCR: Diffusion-Based Correspondence Searching in Doubly Stochastic Matrix Space for Point Cloud Registration

QuadLink: Autoregressive Quad-Dominant Mesh Generation via Point-Relation Learning

Receipt and verification

First computed	2026-07-05T05:04:11.415103Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c7ab98af54512c5beb1746980ed2b1a931bcbf4d207b03ab12c16d897082d16

Aliases

arxiv: 2112.14381 · arxiv_version: 2112.14381v2 · doi: 10.48550/arxiv.2112.14381 · pith_short_12: BR5LTCXVIUJM · pith_short_16: BR5LTCXVIUJMLPVR · pith_short_8: BR5LTCXV

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/BR5LTCXVIUJMLPVRORUYB3JLDK \
  | 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: 0c7ab98af54512c5beb1746980ed2b1a931bcbf4d207b03ab12c16d897082d16

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32d6fd3d576b39b13a1bd93d0bfe648accd6f760669ec5aa83328645617b61b2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-12-29T03:20:18Z",
    "title_canon_sha256": "a6c4c3efaf0daa7daa994a1a49dc858593411953d3e02faabb1066e1f2bba4cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.14381",
    "kind": "arxiv",
    "version": 2
  }
}