Pith Number

pith:HMQ7XR3Z

pith:2025:HMQ7XR3Z4LPFZESQBZZMCDIWHP

not attested not anchored not stored refs pending

Decision PCR: Decision version of the Point Cloud Registration task

Tianlun Huang, Wei Feng, Weijun Wang, Yaojie Zhang

arxiv:2507.14965 v1 · 2025-07-20 · 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{HMQ7XR3Z4LPFZESQBZZMCDIWHP}

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	2026-07-05T11:40:15.943902Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b21fbc779e2de5c92500e72c10d163bd2a5da98c91aeaa9eb1c6ab1b65162fd

Aliases

arxiv: 2507.14965 · arxiv_version: 2507.14965v1 · doi: 10.48550/arxiv.2507.14965 · pith_short_12: HMQ7XR3Z4LPF · pith_short_16: HMQ7XR3Z4LPFZESQ · pith_short_8: HMQ7XR3Z

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/HMQ7XR3Z4LPFZESQBZZMCDIWHP \
  | 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: 3b21fbc779e2de5c92500e72c10d163bd2a5da98c91aeaa9eb1c6ab1b65162fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05c15ef3a05ad5f879ced8160ff5bb2d046d359cea99ab57342208c96e0c3ddd",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-07-20T13:51:42Z",
    "title_canon_sha256": "2a0e4ec14e5f4eaeeb3e8501997d69b6688b7defab09d735ba789e525e886c68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.14965",
    "kind": "arxiv",
    "version": 1
  }
}