Pith Number

pith:4NWYI2VO

pith:2019:4NWYI2VOBQEDEUS4PAT2HKADI3

not attested not anchored not stored refs pending

SDRSAC: Semidefinite-Based Randomized Approach for Robust Point Cloud Registration without Correspondences

Huu Le, Ngai-Man Cheung, Thanh-Toan Do, Tuan Hoang

arxiv:1904.03483 v2 · 2019-04-06 · 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{4NWYI2VOBQEDEUS4PAT2HKADI3}

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	2026-05-17T23:48:39.192885Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e36d846aae0c0832525c7827a3a80346c968d365b4313c782a783cf333532543

Aliases

arxiv: 1904.03483 · arxiv_version: 1904.03483v2 · doi: 10.48550/arxiv.1904.03483 · pith_short_12: 4NWYI2VOBQED · pith_short_16: 4NWYI2VOBQEDEUS4 · pith_short_8: 4NWYI2VO

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/4NWYI2VOBQEDEUS4PAT2HKADI3 \
  | 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: e36d846aae0c0832525c7827a3a80346c968d365b4313c782a783cf333532543

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "783679da6fbc7c4ede53fda77ca1461604d4b61c646490467f77f4adadae5f25",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-04-06T16:07:09Z",
    "title_canon_sha256": "1ba3e9111c319a899c171083745c4ef37aa5afa9e44b3eba65a0b96725733fad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.03483",
    "kind": "arxiv",
    "version": 2
  }
}