Pith Number

pith:P4MLESW5

pith:2023:P4MLESW53FPEXJBZCOPJGUPGC6

not attested not anchored not stored refs pending

Fully Automated Artery-Vein ratio and vascular tortuosity measurement in retinal fundus images

Aashis Khanal, Rolando Estrada

arxiv:2301.01791 v1 · 2023-01-04 · eess.IV · 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{P4MLESW53FPEXJBZCOPJGUPGC6}

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	2026-07-05T05:30:45.819788Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f18b24addd95e4ba439139e9351e6178eae6ae4f2ecfeea8e33b59f9a5f6811

Aliases

arxiv: 2301.01791 · arxiv_version: 2301.01791v1 · doi: 10.48550/arxiv.2301.01791 · pith_short_12: P4MLESW53FPE · pith_short_16: P4MLESW53FPEXJBZ · pith_short_8: P4MLESW5

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/P4MLESW53FPEXJBZCOPJGUPGC6 \
  | 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: 7f18b24addd95e4ba439139e9351e6178eae6ae4f2ecfeea8e33b59f9a5f6811

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22588cbb541f2a9a7710f1cbfb08fd60f611a98b142f8750a3900838fe87ec2f",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2023-01-04T19:13:21Z",
    "title_canon_sha256": "81bbcc213a5cc966547c3f8e0d46f723ed16d2b19c863a97c18515c6b33aca39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.01791",
    "kind": "arxiv",
    "version": 1
  }
}