Pith Number

pith:FQXTQ5A4

pith:2019:FQXTQ5A44ZP7ADBSIVZR3TU6P3

not attested not anchored not stored refs pending

Brain Tumor Segmentation on MRI with Missing Modalities

Mingchen Gao, Yan Shen

arxiv:1904.07290 v1 · 2019-04-15 · 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{FQXTQ5A44ZP7ADBSIVZR3TU6P3}

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	2026-05-17T23:48:29.054083Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c2f38741ce65ff00c3245731dce9e7ece77b142108b21ecfa92e72756fa496c

Aliases

arxiv: 1904.07290 · arxiv_version: 1904.07290v1 · doi: 10.48550/arxiv.1904.07290 · pith_short_12: FQXTQ5A44ZP7 · pith_short_16: FQXTQ5A44ZP7ADBS · pith_short_8: FQXTQ5A4

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/FQXTQ5A44ZP7ADBSIVZR3TU6P3 \
  | 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: 2c2f38741ce65ff00c3245731dce9e7ece77b142108b21ecfa92e72756fa496c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b16daabc72a38817eed3536a36f2743024bc258ed5aad2899f63387dcf80868c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-04-15T19:00:24Z",
    "title_canon_sha256": "5cefc8b94d24ecdd8fbc3e6d6af9b74094b1f6b17fd13afefe6e6622737bb3a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.07290",
    "kind": "arxiv",
    "version": 1
  }
}