Pith Number

pith:MNR235DC

pith:2026:MNR235DCLD4QJOXR44VMOTLGPW

not attested not anchored not stored refs pending

Universality Reconsidered: Rethinking the Validation of Foundation Models for General-Purpose 3D Medical Segmentation

Chenguang Zheng, Feiyang Xiao, Gang Feng, Le Xue, Wenbo Zhang, Yichi Zhang, Yuan Cheng, Yuan Qi, Zixin Hu

arxiv:2602.07643 v2 · 2026-02-07 · 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{MNR235DCLD4QJOXR44VMOTLGPW}

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	2026-07-23T01:23:33.332093Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6363adf46258f904baf1e72ac74d667daa656fd3f4e935c729d28adb33c9c72b

Aliases

arxiv: 2602.07643 · arxiv_version: 2602.07643v2 · doi: 10.48550/arxiv.2602.07643 · pith_short_12: MNR235DCLD4Q · pith_short_16: MNR235DCLD4QJOXR · pith_short_8: MNR235DC

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/MNR235DCLD4QJOXR44VMOTLGPW \
  | 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: 6363adf46258f904baf1e72ac74d667daa656fd3f4e935c729d28adb33c9c72b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4cdc4541670ed8901171d1f1a57f1313465f7bc71a0aa09df477d6845705a26b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-02-07T17:54:10Z",
    "title_canon_sha256": "1cebc6354468f9fe13402d1b894cf4567311939d34e9892289f5658c84a5280b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.07643",
    "kind": "arxiv",
    "version": 2
  }
}