Pith Number

pith:2QU22N2I

pith:2023:2QU22N2IYMSFFOKIPCHRVQ3CKR

not attested not anchored not stored refs pending

Spherical Mask: Coarse-to-Fine 3D Point Cloud Instance Segmentation with Spherical Representation

Andrew Markham, Kaichen Zhou, Madhu Vankadari, Niki Trigoni, Sangyun Shin

arxiv:2312.11269 v2 · 2023-12-18 · cs.CV · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2QU22N2IYMSFFOKIPCHRVQ3CKR}

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	2026-07-05T08:40:11.491220Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d429ad3748c32452b948788f1ac362544b54feb06a7189859ce41f699f38be80

Aliases

arxiv: 2312.11269 · arxiv_version: 2312.11269v2 · doi: 10.48550/arxiv.2312.11269 · pith_short_12: 2QU22N2IYMSF · pith_short_16: 2QU22N2IYMSFFOKI · pith_short_8: 2QU22N2I

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/2QU22N2IYMSFFOKIPCHRVQ3CKR \
  | 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: d429ad3748c32452b948788f1ac362544b54feb06a7189859ce41f699f38be80

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "494a61512f68a02a83d71171f2c3af61d9a4fac9025e1006abddb28c8d9cb751",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2023-12-18T15:14:07Z",
    "title_canon_sha256": "3056f4b23a65c429e283106d548f5a8a283b985b6a32e9fac1de88315cc12642"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2312.11269",
    "kind": "arxiv",
    "version": 2
  }
}