Pith Number

pith:BY4FQ3SN

pith:2026:BY4FQ3SNZ4R472CPXRRANMTEOO

not attested not anchored not stored refs pending

ORCA: ORgan-Centroid Aggregation for Training-Free 3D CT Visual Token Compression

Chengkun Sun, Jie Xu, Jinqian Pan, Mei Liu, Renjie Liang, Shawn Li, You Qin, Zhengkang Fan, Zijian Xu

arxiv:2608.00345 v1 · 2026-07-31 · cs.CV · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BY4FQ3SNZ4R472CPXRRANMTEOO}

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	2026-08-04T00:35:08.135987Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e38586e4dcf23cfe84fbc6206b26473a5775b141c38fcb3a18633d7c09f782a

Aliases

arxiv: 2608.00345 · arxiv_version: 2608.00345v1 · doi: 10.48550/arxiv.2608.00345 · pith_short_12: BY4FQ3SNZ4R4 · pith_short_16: BY4FQ3SNZ4R472CP · pith_short_8: BY4FQ3SN

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/BY4FQ3SNZ4R472CPXRRANMTEOO \
  | 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: 0e38586e4dcf23cfe84fbc6206b26473a5775b141c38fcb3a18633d7c09f782a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3375076f26c9523cac4b57df787ad6435939eda8fee65723893cb07e1f7bbb11",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-07-31T23:27:39Z",
    "title_canon_sha256": "332860704690f237c60a6ce44c1f7437d9f55999e4b85ada3b1e3a06fc4ac765"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.00345",
    "kind": "arxiv",
    "version": 1
  }
}