Pith Number

pith:4U4EZUOS

pith:2019:4U4EZUOSVZRDCCS6GXO7GPOF55

not attested not anchored not stored refs pending

PASS3D: Precise and Accelerated Semantic Segmentation for 3D Point Cloud

Baoquan Zhong, Guangyao Zhai, Xin Kong, Yong Liu

arxiv:1909.01643 v2 · 2019-09-04 · cs.CV · cs.RO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4U4EZUOSVZRDCCS6GXO7GPOF55}

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	2026-07-05T01:30:38.626233Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5384cd1d2ae62310a5e35ddf33dc5ef5f522d25f43f38cd14044e1365272456

Aliases

arxiv: 1909.01643 · arxiv_version: 1909.01643v2 · doi: 10.48550/arxiv.1909.01643 · pith_short_12: 4U4EZUOSVZRD · pith_short_16: 4U4EZUOSVZRDCCS6 · pith_short_8: 4U4EZUOS

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/4U4EZUOSVZRDCCS6GXO7GPOF55 \
  | 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: e5384cd1d2ae62310a5e35ddf33dc5ef5f522d25f43f38cd14044e1365272456

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96cf119cdaf9a1be364e6a479cc9e71011f663e35f1eb170b42a4cde1018843a",
    "cross_cats_sorted": [
      "cs.RO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-09-04T09:26:28Z",
    "title_canon_sha256": "e2f8e20966e8a7727b970a4b8e3a9026c870dda9d8dab3ead0a3ad230c5e1432"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.01643",
    "kind": "arxiv",
    "version": 2
  }
}