Pith Number

pith:ZU5V5WIZ

pith:2018:ZU5V5WIZ3ROQNMLOGESXL3AGXU

not attested not anchored not stored refs pending

Semantic Segmentation of Human Thigh Quadriceps Muscle in Magnetic Resonance Images

Ezak Ahmad, Hans Degens, Jamie S. McPhee, Manu Goyal, Moi Hoon Yap

arxiv:1801.00415 v2 · 2018-01-01 · 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{ZU5V5WIZ3ROQNMLOGESXL3AGXU}

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	2026-05-18T00:08:31.246170Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd3b5ed919dc5d06b16e312575ec06bd33eab12152a757352ee657f26e37e93e

Aliases

arxiv: 1801.00415 · arxiv_version: 1801.00415v2 · doi: 10.48550/arxiv.1801.00415 · pith_short_12: ZU5V5WIZ3ROQ · pith_short_16: ZU5V5WIZ3ROQNMLO · pith_short_8: ZU5V5WIZ

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/ZU5V5WIZ3ROQNMLOGESXL3AGXU \
  | 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: cd3b5ed919dc5d06b16e312575ec06bd33eab12152a757352ee657f26e37e93e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f11e2860b5e6d0ac0a80052583afbfc76e3f2a671c0aab4f3287be6446f0b8f1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-01-01T08:58:10Z",
    "title_canon_sha256": "55db51e0271c32b7c4a2841ed2f754f1a578fd934bdd537f7b8de1d51ac1a3e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.00415",
    "kind": "arxiv",
    "version": 2
  }
}