Pith Number

pith:2L2222CB

pith:2025:2L2222CBGYCW5QZNSV4YODXVVB

not attested not anchored not stored refs pending

Med-R2: Perception and Reflection-driven Complex Reasoning for Medical Report Generation

Hao Wang, Jinghao Lin, Jinman Kim, Shuchang Ye, Usman Naseem

arxiv:2504.02885 v2 · 2025-04-02 · 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{2L2222CBGYCW5QZNSV4YODXVVB}

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	2026-06-19T16:12:45.539599Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2f5ad684136056ec32d9579870ef5a86e00e2949f4f2298d6a98be3a9ece8b4

Aliases

arxiv: 2504.02885 · arxiv_version: 2504.02885v2 · doi: 10.48550/arxiv.2504.02885 · pith_short_12: 2L2222CBGYCW · pith_short_16: 2L2222CBGYCW5QZN · pith_short_8: 2L2222CB

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/2L2222CBGYCW5QZNSV4YODXVVB \
  | 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: d2f5ad684136056ec32d9579870ef5a86e00e2949f4f2298d6a98be3a9ece8b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "000aa024d88ed0978c6df1da0776b242b3f38ecb129b50afa6bb414fa0832b5b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-04-02T08:18:54Z",
    "title_canon_sha256": "7ea8326a215c8f6f6834d796ddfa9b6752bc57a259be4d7834be8115e96a04b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.02885",
    "kind": "arxiv",
    "version": 2
  }
}