Pith Number

pith:2WB5CHUK

pith:2019:2WB5CHUKRQA6WOBIGCVZAPUSIK

not attested not anchored not stored refs pending

Linking Points With Labels in 3D: A Review of Point Cloud Semantic Segmentation

Jiaojiao Tian, Xiao Xiang Zhu, Yuxing Xie

arxiv:1908.08854 v3 · 2019-08-23 · cs.CV · cs.LG · 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{2WB5CHUKRQA6WOBIGCVZAPUSIK}

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	2026-07-05T01:13:54.281484Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d583d11e8a8c01eb382830ab903e9242ad00ccd189927ca7a57fe74811202acb

Aliases

arxiv: 1908.08854 · arxiv_version: 1908.08854v3 · doi: 10.48550/arxiv.1908.08854 · pith_short_12: 2WB5CHUKRQA6 · pith_short_16: 2WB5CHUKRQA6WOBI · pith_short_8: 2WB5CHUK

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/2WB5CHUKRQA6WOBIGCVZAPUSIK \
  | 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: d583d11e8a8c01eb382830ab903e9242ad00ccd189927ca7a57fe74811202acb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2b8f1a5a2c14a32095422b55b1f0812f4edd30c494327b80e8b3e3f2242c34b",
    "cross_cats_sorted": [
      "cs.LG",
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-08-23T14:55:11Z",
    "title_canon_sha256": "c91c641f45d19fe82daf4d6819ef3ceef24460722c8ac074281055e8338b84a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.08854",
    "kind": "arxiv",
    "version": 3
  }
}