Pith Number

pith:F4PCXCIE

pith:2021:F4PCXCIEMYFVDMEVGKLXNJ3JA3

not attested not anchored not stored refs pending

Learning to Address Intra-segment Misclassification in Retinal Imaging

Daniel C. Alexander, Hongxiang Lin, Joseph Jacob, Moucheng Xu, Pearse A. Keane, Yipeng Hu, Yukun Zhou

arxiv:2104.12138 v2 · 2021-04-25 · eess.IV · cs.CV · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F4PCXCIEMYFVDMEVGKLXNJ3JA3}

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	2026-07-05T03:39:14.580110Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f1e2b8904660b51b095329776a76906e794a86125cffb081bdc16689921c088

Aliases

arxiv: 2104.12138 · arxiv_version: 2104.12138v2 · doi: 10.48550/arxiv.2104.12138 · pith_short_12: F4PCXCIEMYFV · pith_short_16: F4PCXCIEMYFVDMEV · pith_short_8: F4PCXCIE

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/F4PCXCIEMYFVDMEVGKLXNJ3JA3 \
  | 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: 2f1e2b8904660b51b095329776a76906e794a86125cffb081bdc16689921c088

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ea51b2e26287e7dcc26164bbae36814a79b6513d29c94d4e4c1fbc14d44a831",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2021-04-25T11:57:26Z",
    "title_canon_sha256": "05865e3a0aceb89c606c699ba8397e335fce2de0e68faa6149d5ef5c970c77b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.12138",
    "kind": "arxiv",
    "version": 2
  }
}