Pith Number

pith:SXUMDXMF

pith:2021:SXUMDXMFOOU7A3Z6PJ2B4GFJSA

not attested not anchored not stored refs pending

BT-Unet: A self-supervised learning framework for biomedical image segmentation using Barlow Twins with U-Net models

Narinder Singh Punn, Sonali Agarwal

arxiv:2112.03916 v3 · 2021-12-07 · eess.IV · 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{SXUMDXMFOOU7A3Z6PJ2B4GFJSA}

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	2026-07-05T04:08:04.622197Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95e8c1dd8573a9f06f3e7a741e18a990261c69d4f528a87f93d37f6284784dfc

Aliases

arxiv: 2112.03916 · arxiv_version: 2112.03916v3 · doi: 10.48550/arxiv.2112.03916 · pith_short_12: SXUMDXMFOOU7 · pith_short_16: SXUMDXMFOOU7A3Z6 · pith_short_8: SXUMDXMF

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/SXUMDXMFOOU7A3Z6PJ2B4GFJSA \
  | 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: 95e8c1dd8573a9f06f3e7a741e18a990261c69d4f528a87f93d37f6284784dfc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6728c84d5877011e8064fc97a3a250c2531ed74c9fc85f70df7cb1c71c88e22",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2021-12-07T17:14:15Z",
    "title_canon_sha256": "f660b442881df589042ede921e9a82901351ea08cbd2153f407dd1b61855709b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.03916",
    "kind": "arxiv",
    "version": 3
  }
}