Pith Number

pith:NOTGFB2P

pith:2018:NOTGFB2PPHTVTQXAT3SU7HPELP

not attested not anchored not stored refs pending

GSPN: Generative Shape Proposal Network for 3D Instance Segmentation in Point Cloud

He Wang, Leonidas Guibas, Li Yi, Minhyuk Sung, Wang Zhao

arxiv:1812.03320 v1 · 2018-12-08 · 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{NOTGFB2PPHTVTQXAT3SU7HPELP}

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	2026-05-17T23:58:46.536601Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ba662874f79e759c2e09ee54f9de45bd13242d09de6e95aa5394057d0d8bcdd

Aliases

arxiv: 1812.03320 · arxiv_version: 1812.03320v1 · doi: 10.48550/arxiv.1812.03320 · pith_short_12: NOTGFB2PPHTV · pith_short_16: NOTGFB2PPHTVTQXA · pith_short_8: NOTGFB2P

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/NOTGFB2PPHTVTQXAT3SU7HPELP \
  | 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: 6ba662874f79e759c2e09ee54f9de45bd13242d09de6e95aa5394057d0d8bcdd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68e9772a3bbc3cdda63332a1f5500ab9fc2de6edc19f0cacf2a3a29941851a1e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-12-08T13:41:05Z",
    "title_canon_sha256": "713ecfedd0345361f9169bbdcbdf9371f5ff7f5dd9af39e6893f4b731396bfc5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.03320",
    "kind": "arxiv",
    "version": 1
  }
}