Pith Number

pith:QXNZ3DD7

pith:2023:QXNZ3DD7MTKPCQGFGQLCY74BWL

not attested not anchored not stored refs pending

Self-Supervised Few-Shot Learning for Ischemic Stroke Lesion Segmentation

Kathinka D{\ae}hli Kurz, Kjersti Engan, Liv Jorunn H{\o}llesli, Luca Tomasetti, Mahdieh Khanmohammadi, Michael Kampffmeyer, Stine Hansen

arxiv:2303.01332 v2 · 2023-03-02 · eess.IV · cs.CV · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QXNZ3DD7MTKPCQGFGQLCY74BWL}

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	2026-07-05T07:20:39.253706Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85db9d8c7f64d4f140c534162c7f81b2f87094bf3efae72be81ae52aedda838f

Aliases

arxiv: 2303.01332 · arxiv_version: 2303.01332v2 · doi: 10.48550/arxiv.2303.01332 · pith_short_12: QXNZ3DD7MTKP · pith_short_16: QXNZ3DD7MTKPCQGF · pith_short_8: QXNZ3DD7

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/QXNZ3DD7MTKPCQGFGQLCY74BWL \
  | 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: 85db9d8c7f64d4f140c534162c7f81b2f87094bf3efae72be81ae52aedda838f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dcf7218a9e986409a546e3c2fab6ab2fccfa5d4c032f51a28b31001afa91cf6f",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2023-03-02T15:10:08Z",
    "title_canon_sha256": "f9c830df13c810e964e98d0ff9d0be386b8c59f0eabf456a75d7b47009074229"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.01332",
    "kind": "arxiv",
    "version": 2
  }
}