Pith Number

pith:R2WYEKQ7

pith:2021:R2WYEKQ76ZK5GLPMX4QRAO2XPU

not attested not anchored not stored refs pending

Brain Tumor Segmentation and Survival Prediction using 3D Attention UNet

Hongliang Ren, Mobarakol Islam, Navodini Wijethilake, Uppal Utkarsh, Vibashan VS, V Jeya Maria Jose

arxiv:2104.00985 v1 · 2021-04-02 · 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{R2WYEKQ76ZK5GLPMX4QRAO2XPU}

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	2026-07-05T02:28:38.390224Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ead822a1ff655d32decbf21103b577d3428bca9a5e029d3be06d62f39f81b6f

Aliases

arxiv: 2104.00985 · arxiv_version: 2104.00985v1 · doi: 10.48550/arxiv.2104.00985 · pith_short_12: R2WYEKQ76ZK5 · pith_short_16: R2WYEKQ76ZK5GLPM · pith_short_8: R2WYEKQ7

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/R2WYEKQ76ZK5GLPMX4QRAO2XPU \
  | 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: 8ead822a1ff655d32decbf21103b577d3428bca9a5e029d3be06d62f39f81b6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04bcaebff88d0b48612d0b8207e4d65d34ea2dc0cee078b3188d7503d03d1234",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2021-04-02T11:04:40Z",
    "title_canon_sha256": "aeac418d024e23ba4a878a2bf1ddbc7e42cc08f5417bd53f9319ee69b52fb36e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.00985",
    "kind": "arxiv",
    "version": 1
  }
}