Pith Number

pith:SQWPNVW2

pith:2021:SQWPNVW277CMVA2XKOTD4F5WJZ

not attested not anchored not stored refs pending

Point Cloud Registration using Representative Overlapping Points

Changwei Lin, Dongrui Liu, Francisco G\'omez-Fern\'andez, Lifa Zhu, Ninghua Yang, Rui Yan, Ziyong Feng

arxiv:2107.02583 v1 · 2021-07-06 · 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{SQWPNVW277CMVA2XKOTD4F5WJZ}

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	2026-07-05T02:55:22.260547Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

942cf6d6daffc4ca835753a63e17b64e7e3033393cabda73bf6eebd842d4150c

Aliases

arxiv: 2107.02583 · arxiv_version: 2107.02583v1 · doi: 10.48550/arxiv.2107.02583 · pith_short_12: SQWPNVW277CM · pith_short_16: SQWPNVW277CMVA2X · pith_short_8: SQWPNVW2

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/SQWPNVW277CMVA2XKOTD4F5WJZ \
  | 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: 942cf6d6daffc4ca835753a63e17b64e7e3033393cabda73bf6eebd842d4150c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fff5446ca8a61b1c68cdbf7a8919dbeabbfcab9e98f566d47ccb42604d649f51",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-07-06T12:52:22Z",
    "title_canon_sha256": "30e74a68ebaedd43dece55f7754bceefdee0ee8d09cfd053fe43b1e50e179fad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.02583",
    "kind": "arxiv",
    "version": 1
  }
}