Pith Number

pith:2EKMRC4M

pith:2023:2EKMRC4MWMWFCKCVW3IN7ZPNJO

not attested not anchored not stored refs pending

Learning Self-Supervised Representations for Label Efficient Cross-Domain Knowledge Transfer on Diabetic Retinopathy Fundus Images

Ekta Gupta, Marcus Liwicki, Muskaan Chopra, Prakash Chandra Chhipa, Varun Gupta

arxiv:2304.11168 v1 · 2023-04-20 · 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{2EKMRC4MWMWFCKCVW3IN7ZPNJO}

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	2026-07-05T06:03:29.457512Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d114c88b8cb32c512855b6d0dfe5ed4b8d2b69a1ce8cb5e8f0d9aca9315c7e43

Aliases

arxiv: 2304.11168 · arxiv_version: 2304.11168v1 · doi: 10.48550/arxiv.2304.11168 · pith_short_12: 2EKMRC4MWMWF · pith_short_16: 2EKMRC4MWMWFCKCV · pith_short_8: 2EKMRC4M

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/2EKMRC4MWMWFCKCVW3IN7ZPNJO \
  | 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: d114c88b8cb32c512855b6d0dfe5ed4b8d2b69a1ce8cb5e8f0d9aca9315c7e43

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2b5184daa76ec8c239d03eded7703dedf1ed53107080c7b8a7eeb362bd0f064",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2023-04-20T12:46:34Z",
    "title_canon_sha256": "41b09bc19cf9e5e09dee594448000cb8267cf6c8bd648dea8eb00f02fb605ea1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2304.11168",
    "kind": "arxiv",
    "version": 1
  }
}