Pith Number

pith:YYKC2OS3

pith:2026:YYKC2OS35QNO4NZJQ44U3B3H2I

not attested not anchored not stored refs pending

Med-OPD: Improving Medical Vision-Language Models via Evidence-Aware On-Policy Distillation

Hongwei Bran Li, Jiaquan Yu, Jiawei Liu, Meng Wang, Xiaobin Hu, Yunhang Qian

arxiv:2607.16303 v1 · 2026-07-14 · cs.CV · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YYKC2OS35QNO4NZJQ44U3B3H2I}

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	2026-07-21T00:20:11.064584Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6142d3a5bec1aee372987394d8767d21ffa41f561fda95fb60d22f97c749c58

Aliases

arxiv: 2607.16303 · arxiv_version: 2607.16303v1 · doi: 10.48550/arxiv.2607.16303 · pith_short_12: YYKC2OS35QNO · pith_short_16: YYKC2OS35QNO4NZJ · pith_short_8: YYKC2OS3

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/YYKC2OS35QNO4NZJQ44U3B3H2I \
  | 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: c6142d3a5bec1aee372987394d8767d21ffa41f561fda95fb60d22f97c749c58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09a9484f29c334dd7303bc46b002ebb9103d770ad69b2af2cda6cd5e0159d9b5",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-07-14T07:08:28Z",
    "title_canon_sha256": "4c5372b24417fdbc35e92c1634c1f1973899edd969bf5808c7091e960f4365d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.16303",
    "kind": "arxiv",
    "version": 1
  }
}