Pith Number

pith:4Y2VNAVG

pith:2018:4Y2VNAVGEJ5F3Y4KFNY47X6M6Q

not attested not anchored not stored refs pending

Myocardial Segmentation of Contrast Echocardiograms Using Random Forests Guided by Shape Model

Chin Pang Ho, Meng-Xing Tang, Navtej Chahal, Roxy Senior, Yuanwei Li

arxiv:1806.07490 v1 · 2018-06-19 · 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{4Y2VNAVGEJ5F3Y4KFNY47X6M6Q}

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	2026-05-18T00:12:47.604461Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6355682a6227a5de38a2b71cfdfccf43848c048aff02def61822e74cb6ceed4

Aliases

arxiv: 1806.07490 · arxiv_version: 1806.07490v1 · doi: 10.48550/arxiv.1806.07490 · pith_short_12: 4Y2VNAVGEJ5F · pith_short_16: 4Y2VNAVGEJ5F3Y4K · pith_short_8: 4Y2VNAVG

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/4Y2VNAVGEJ5F3Y4KFNY47X6M6Q \
  | 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: e6355682a6227a5de38a2b71cfdfccf43848c048aff02def61822e74cb6ceed4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e984fc610e67ce19aadc739365ca8736550ce08a658738cbc6c385806b857d3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-06-19T22:48:50Z",
    "title_canon_sha256": "988a0db6f7f5c75747a313dbcad70304ae8597902080a2add2363797596c9cfa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.07490",
    "kind": "arxiv",
    "version": 1
  }
}