Pith Number

pith:BBRWNOPT

pith:2019:BBRWNOPTBFS7THSBVGR74BYXYJ

not attested not anchored not stored refs pending

3D Graph Embedding Learning with a Structure-aware Loss Function for Point Cloud Semantic Instance Segmentation

Chunxiang Wang, Ming Yang, Zhidong Liang

arxiv:1902.05247 v1 · 2019-02-14 · 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{BBRWNOPTBFS7THSBVGR74BYXYJ}

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	2026-07-05T02:25:15.614042Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

086366b9f30965f99e41a9a3fe0717c265aa91125382931b23fc51659f1d4539

Aliases

arxiv: 1902.05247 · arxiv_version: 1902.05247v1 · doi: 10.48550/arxiv.1902.05247 · pith_short_12: BBRWNOPTBFS7 · pith_short_16: BBRWNOPTBFS7THSB · pith_short_8: BBRWNOPT

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/BBRWNOPTBFS7THSBVGR74BYXYJ \
  | 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: 086366b9f30965f99e41a9a3fe0717c265aa91125382931b23fc51659f1d4539

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "010f2c75bc5879592f15d513b1cc19d9f92a6a6bb8b9f0b9674db69c997d0b09",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-02-14T07:29:40Z",
    "title_canon_sha256": "30abd62c2ac7364262f7427b7819aad6a5728cc3da4f56c1075a96606e0edba9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.05247",
    "kind": "arxiv",
    "version": 1
  }
}