Pith Number

pith:L32OTNHG

pith:2020:L32OTNHG54OJOS5I525HUEENKA

not attested not anchored not stored refs pending

Learned Pre-Processing for Automatic Diabetic Retinopathy Detection on Eye Fundus Images

Adrian Galdran, Alex Gaudio, Anupma Sharan, Asim Smailagic, Aur\'elio Campilho, Pedro Costa

arxiv:2007.13838 v1 · 2020-07-27 · 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{L32OTNHG54OJOS5I525HUEENKA}

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	2026-07-05T01:22:52.872393Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ef4e9b4e6ef1c974ba8eeba7a108d50397f9d0dd2bf331a473ee0e3c8c156db

Aliases

arxiv: 2007.13838 · arxiv_version: 2007.13838v1 · doi: 10.48550/arxiv.2007.13838 · pith_short_12: L32OTNHG54OJ · pith_short_16: L32OTNHG54OJOS5I · pith_short_8: L32OTNHG

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/L32OTNHG54OJOS5I525HUEENKA \
  | 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: 5ef4e9b4e6ef1c974ba8eeba7a108d50397f9d0dd2bf331a473ee0e3c8c156db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1119205f968f96dfa480ac40e286f971b2b31521a0e87cbe4d1fb744054ea3e0",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2020-07-27T20:06:13Z",
    "title_canon_sha256": "70becc13b7fc7787a5b26cd78ad74d255716f6c725161a24691cde6b73a44a7c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.13838",
    "kind": "arxiv",
    "version": 1
  }
}