Pith Number

pith:4NH3V7QD

pith:2026:4NH3V7QDDZP4KBLYLODEXED2JB

not attested not anchored not stored refs pending

PointCHR: Point Cloud Analysis via Curvature-Aware Hyperbolic Rectification

Ajian Liu, Fang Kai, Hao Mo, Hui Ma, Liying Yang, Xinxing Yu, Yanyan Liang

arxiv:2607.24052 v1 · 2026-07-27 · 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{4NH3V7QDDZP4KBLYLODEXED2JB}

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	2026-07-28T01:23:43.066925Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e34fbafe031e5fc505785b864b907a4847dc16f9b8a536c8dbca103b0aa57c73

Aliases

arxiv: 2607.24052 · arxiv_version: 2607.24052v1 · doi: 10.48550/arxiv.2607.24052 · pith_short_12: 4NH3V7QDDZP4 · pith_short_16: 4NH3V7QDDZP4KBLY · pith_short_8: 4NH3V7QD

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/4NH3V7QDDZP4KBLYLODEXED2JB \
  | 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: e34fbafe031e5fc505785b864b907a4847dc16f9b8a536c8dbca103b0aa57c73

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50256427a9b6ca48e63ad0881e6d75bec13d793c6635d6d80692efe8242154a1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-07-27T06:49:46Z",
    "title_canon_sha256": "3346cd6f77b3fc92c73fa9379529a5bf7e8c89da827aa9f84345f7faecd7781b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.24052",
    "kind": "arxiv",
    "version": 1
  }
}