Pith Number

pith:CFNQR4ZT

pith:2023:CFNQR4ZTAEYHRPH3DMHIXL2TFK

not attested not anchored not stored refs pending

P2C: Self-Supervised Point Cloud Completion from Single Partial Clouds

Chaoyue Xing, Jiawei Liu, Jing Zhang, Nick Barnes, Ruikai Cui, Saeed Anwar, Shi Qiu

arxiv:2307.14726 v1 · 2023-07-27 · cs.CV · cs.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CFNQR4ZTAEYHRPH3DMHIXL2TFK}

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	2026-07-05T08:43:05.338714Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

115b08f333013078bcfb1b0e8baf532a999d92a4a6df96b6d318df72f2fe1b3e

Aliases

arxiv: 2307.14726 · arxiv_version: 2307.14726v1 · doi: 10.48550/arxiv.2307.14726 · pith_short_12: CFNQR4ZTAEYH · pith_short_16: CFNQR4ZTAEYHRPH3 · pith_short_8: CFNQR4ZT

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/CFNQR4ZTAEYHRPH3DMHIXL2TFK \
  | 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: 115b08f333013078bcfb1b0e8baf532a999d92a4a6df96b6d318df72f2fe1b3e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27146d34c07d3ad6688ea0a9155e37f9af66f7f8e2e12c759360cbd782bbe0a2",
    "cross_cats_sorted": [
      "cs.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2023-07-27T09:31:01Z",
    "title_canon_sha256": "23175250ad6ffb645042b599c5b1b6a943897a55840639ceb6ea81a2818cf445"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2307.14726",
    "kind": "arxiv",
    "version": 1
  }
}