Pith Number

pith:BRNF6K6K

pith:2019:BRNF6K6KITQYA56I4D7FSCQ4KN

not attested not anchored not stored refs pending

A complementary method for automated detection of microaneurysms in fluorescein angiography fundus images to assess diabetic retinopathy

Alireza Mehdizadeh, Hamidreza Pourreza, Meysam Tavakoli, Mohammad Hosein Bahreini Toosi, Reza Pourreza Shahri, Touka Banaee

arxiv:1909.01557 v1 · 2019-09-04 · physics.med-ph · 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{BRNF6K6KITQYA56I4D7FSCQ4KN}

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	2026-07-05T00:02:17.463818Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c5a5f2bca44e18077c8e0fe590a1c5351d67d2d1aebdf08afec5f960ee50a9d

Aliases

arxiv: 1909.01557 · arxiv_version: 1909.01557v1 · doi: 10.48550/arxiv.1909.01557 · pith_short_12: BRNF6K6KITQY · pith_short_16: BRNF6K6KITQYA56I · pith_short_8: BRNF6K6K

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/BRNF6K6KITQYA56I4D7FSCQ4KN \
  | 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: 0c5a5f2bca44e18077c8e0fe590a1c5351d67d2d1aebdf08afec5f960ee50a9d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2335d7f30c1fdeb285d9efe28bf0b799c737ffb210ba4e37e612ca99b56ff73c",
    "cross_cats_sorted": [
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2019-09-04T05:27:42Z",
    "title_canon_sha256": "fac5af07694efd1959dfdfd64c9cfd1f23d7a7fe41a5dcc07e6d4c42abe701da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.01557",
    "kind": "arxiv",
    "version": 1
  }
}