Pith Number

pith:YKUOESSJ

pith:2025:YKUOESSJSAVFYOWMX3A7FDFSRI

not attested not anchored not stored refs pending

A 4D Radar Camera Extrinsic Calibration Tool Based on 3D Uncertainty Perspective N Points

Chuan Cao, Han Zhang, Jingchuan Wang, Weidong Chen, Wenqian Xi, Xiaoning Wang

arxiv:2507.19829 v1 · 2025-07-26 · cs.RO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YKUOESSJSAVFYOWMX3A7FDFSRI}

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	2026-07-05T11:43:42.800203Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c2a8e24a49902a5c3accbec1f28cb28a0adf622d41efb9955460709b65c6e435

Aliases

arxiv: 2507.19829 · arxiv_version: 2507.19829v1 · doi: 10.48550/arxiv.2507.19829 · pith_short_12: YKUOESSJSAVF · pith_short_16: YKUOESSJSAVFYOWM · pith_short_8: YKUOESSJ

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/YKUOESSJSAVFYOWMX3A7FDFSRI \
  | 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: c2a8e24a49902a5c3accbec1f28cb28a0adf622d41efb9955460709b65c6e435

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f44f26280e85d628e3d5be57b52940a97d8cac3163b1cc343c6b3b07028ce1fb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2025-07-26T06:58:28Z",
    "title_canon_sha256": "84577e58619ed3a0c01c8c64c9e57f0c08a20f919a7e80ee9a9667bb8d901418"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.19829",
    "kind": "arxiv",
    "version": 1
  }
}