Pith Number

pith:DZPPKFDL

pith:2026:DZPPKFDL232EEFBJRFSWLE2BWG

not attested not anchored not stored refs pending

OphIn-500K: Curating Web-Scale Visual Instructions for Scaling Ophthalmic Multimodal Large Language Models

Haiyu Wu, Hao Wang, Jiajun Cheng, Jingjing Wang, Langechuan Liu, Oana Dumitrascu, Shan Lin, Shao Tang, Wenhui Zhu, Xiaobing Yu, Xin Li, Xiwen Chen, Xuanzhao Dong, Yalin Wang, Yujian Xiong, Zhipeng Wang

arxiv:2605.27916 v1 · 2026-05-27 · cs.CV · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DZPPKFDL232EEFBJRFSWLE2BWG}

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	2026-05-28T01:04:52.450529Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e5ef5146bd6f44214298965659341b1bb848e67f523ad146d3abe63bf92d6f4

Aliases

arxiv: 2605.27916 · arxiv_version: 2605.27916v1 · doi: 10.48550/arxiv.2605.27916 · pith_short_12: DZPPKFDL232E · pith_short_16: DZPPKFDL232EEFBJ · pith_short_8: DZPPKFDL

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/DZPPKFDL232EEFBJRFSWLE2BWG \
  | 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: 1e5ef5146bd6f44214298965659341b1bb848e67f523ad146d3abe63bf92d6f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9e81e254f40911a184ff926b5c753f834a6f448df9e9c2a56579c7a8750b9fb",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-05-27T03:43:23Z",
    "title_canon_sha256": "00f1527adf1bb442cc68a7bd961b6a3ee9abd953a1c7e5309f5a71b2257a7375"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.27916",
    "kind": "arxiv",
    "version": 1
  }
}