Pith Number

pith:2OOYGR6J

pith:2026:2OOYGR6J2Y7FFQU2ZBIOCFRZUY

not attested not anchored not stored refs pending

A Hybrid Framework for Blood Vessel Morphology Classification: Discrete Geometry-based Tortuosity Feature Measurement, Information Gain-based Feature Selection, and Random Forest Classification

Jingzhi Guo, Luyao Li, Weilun Fu, Yang Wang, Yixin Lin, Yu Zhong, Zehao Wang, Zhihui Yang

arxiv:2607.14195 v1 · 2026-07-15 · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2OOYGR6J2Y7FFQU2ZBIOCFRZUY}

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	2026-07-17T00:20:57.235467Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d39d8347c9d63e52c29ac850e11639a6235e50612f14a781ab4aac830b93ca98

Aliases

arxiv: 2607.14195 · arxiv_version: 2607.14195v1 · doi: 10.48550/arxiv.2607.14195 · pith_short_12: 2OOYGR6J2Y7F · pith_short_16: 2OOYGR6J2Y7FFQU2 · pith_short_8: 2OOYGR6J

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/2OOYGR6J2Y7FFQU2ZBIOCFRZUY \
  | 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: d39d8347c9d63e52c29ac850e11639a6235e50612f14a781ab4aac830b93ca98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50bef69482619d16f7c6d2515e37d8d3d294bfbb148d34201624b2ff67572588",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2026-07-15T16:27:30Z",
    "title_canon_sha256": "6c286534b8586ad3762b8805e34c4ac6c084e9c8a6b6a4ae6d69e636538b5c41"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.14195",
    "kind": "arxiv",
    "version": 1
  }
}