Pith Number

pith:FEPVWSZY

pith:2019:FEPVWSZYWLOBUBZRM6WW46V66E

not attested not anchored not stored refs pending

Normal Estimation for 3D Point Clouds via Local Plane Constraint and Multi-scale Selection

Bin Liu, Hua Huang, Jun Zhou, Xiuping Liu

arxiv:1910.08537 v1 · 2019-10-18 · cs.GR · cs.CV · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FEPVWSZYWLOBUBZRM6WW46V66E}

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	2026-07-05T00:13:17.444524Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

291f5b4b38b2dc1a073167ad6e7abef10bf6bc16458285d8edbd3f9b02656c01

Aliases

arxiv: 1910.08537 · arxiv_version: 1910.08537v1 · doi: 10.48550/arxiv.1910.08537 · pith_short_12: FEPVWSZYWLOB · pith_short_16: FEPVWSZYWLOBUBZR · pith_short_8: FEPVWSZY

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/FEPVWSZYWLOBUBZRM6WW46V66E \
  | 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: 291f5b4b38b2dc1a073167ad6e7abef10bf6bc16458285d8edbd3f9b02656c01

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1bb8d74a660ff5db4a01aaeb47de87aa03659b69a805f552c77d20c206971149",
    "cross_cats_sorted": [
      "cs.CV",
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GR",
    "submitted_at": "2019-10-18T00:17:42Z",
    "title_canon_sha256": "22a230991f5791ee54561ecbeee531d5f977968dcc3154bdf7d5f36601112118"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.08537",
    "kind": "arxiv",
    "version": 1
  }
}