Pith Number

pith:SXPWML5J

pith:2020:SXPWML5J2CRPUKYXD4TMVCH7EL

not attested not anchored not stored refs pending

Deep Feature-preserving Normal Estimation for Point Cloud Filtering

Dening Lu, Jun Wang, Xuequan Lu, Yangxing Sun

arxiv:2004.11563 v1 · 2020-04-24 · cs.GR · 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{SXPWML5J2CRPUKYXD4TMVCH7EL}

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	2026-07-05T00:57:55.257806Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95df662fa9d0a2fa2b171f26ca88ff22ddaa48f611d078e53bb6ff639e2aa157

Aliases

arxiv: 2004.11563 · arxiv_version: 2004.11563v1 · doi: 10.48550/arxiv.2004.11563 · pith_short_12: SXPWML5J2CRP · pith_short_16: SXPWML5J2CRPUKYX · pith_short_8: SXPWML5J

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/SXPWML5J2CRPUKYXD4TMVCH7EL \
  | 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: 95df662fa9d0a2fa2b171f26ca88ff22ddaa48f611d078e53bb6ff639e2aa157

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11d0d5331893a98f342e4ab60e3ca09546b3da8037158f0d70a9c24f64492ac6",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GR",
    "submitted_at": "2020-04-24T07:05:48Z",
    "title_canon_sha256": "4269947df18908cde69733080df56fedd2aff2b7fb8421a64d82de2694fae32a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.11563",
    "kind": "arxiv",
    "version": 1
  }
}