Pith Number

pith:STU6AJMB

pith:2019:STU6AJMBRVSFKIN3LH6IFYS4U3

not attested not anchored not stored refs pending

Supervised machine learning based multi-task artificial intelligence classification of retinopathies

David Le, Jennifer I. Lim, Minhaj Alam, R.V.P. Chan, Xincheng Yao

arxiv:1905.04224 v1 · 2019-05-10 · q-bio.QM · eess.IV · q-bio.TO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{STU6AJMBRVSFKIN3LH6IFYS4U3}

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	2026-05-17T23:43:02.121899Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94e9e025818d645521bb59fc82e25ca6fb82ec37948db78c4ba10c2e08fd27c3

Aliases

arxiv: 1905.04224 · arxiv_version: 1905.04224v1 · doi: 10.48550/arxiv.1905.04224 · pith_short_12: STU6AJMBRVSF · pith_short_16: STU6AJMBRVSFKIN3 · pith_short_8: STU6AJMB

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/STU6AJMBRVSFKIN3LH6IFYS4U3 \
  | 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: 94e9e025818d645521bb59fc82e25ca6fb82ec37948db78c4ba10c2e08fd27c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a09e6ab80fffd6a02d87117a95f5c2eca2aa5f64acbec1861d5eb2a6e144d05",
    "cross_cats_sorted": [
      "eess.IV",
      "q-bio.TO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2019-05-10T15:47:31Z",
    "title_canon_sha256": "3a2761b7ad4a8ac5685dfba260842436104043c4ec88804d0ecbc5c94dcc28bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.04224",
    "kind": "arxiv",
    "version": 1
  }
}