Pith Number

pith:35FK7VUC

pith:2013:35FK7VUCXKBJVJLZOAT6MKHXKI

not attested not anchored not stored refs pending

Brain MRI Segmentation with Fast and Globally Convex Multiphase Active Contours

Hugo Proenca, Juan C. Moreno, K. Palaniappan, V. B. S. Prasath

arxiv:1308.6056 v1 · 2013-08-28 · 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{35FK7VUCXKBJVJLZOAT6MKHXKI}

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	2026-05-18T02:31:21.655561Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df4aafd682ba829aa5797027e628f7523cc34da51494fe60174b6412bf80b283

Aliases

arxiv: 1308.6056 · arxiv_version: 1308.6056v1 · doi: 10.48550/arxiv.1308.6056 · pith_short_12: 35FK7VUCXKBJ · pith_short_16: 35FK7VUCXKBJVJLZ · pith_short_8: 35FK7VUC

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/35FK7VUCXKBJVJLZOAT6MKHXKI \
  | 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: df4aafd682ba829aa5797027e628f7523cc34da51494fe60174b6412bf80b283

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ead2818640584998aef57a5208bd0f659b2aec014690d46e832ab419c6166a03",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2013-08-28T04:48:00Z",
    "title_canon_sha256": "681dfb17ac6b4ad83371f16d131626add68a7ef68f2a39a842b284806a440f8e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.6056",
    "kind": "arxiv",
    "version": 1
  }
}