Pith Number

pith:QAPORY5U

pith:2019:QAPORY5UGPOOGNEB7Y4DX2M54H

not attested not anchored not stored refs pending

TAN: Temporal Affine Network for Real-Time Left Ventricle Anatomical Structure Analysis Based on 2D Ultrasound Videos

Kai Ma, Sihong Chen, Yefeng Zheng

arxiv:1904.00631 v1 · 2019-04-01 · 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{QAPORY5UGPOOGNEB7Y4DX2M54H}

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	2026-05-17T23:49:47.861457Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

801ee8e3b433dce33481fe383be99de1fb859870a0ec0cd4a508f8a4c164c884

Aliases

arxiv: 1904.00631 · arxiv_version: 1904.00631v1 · doi: 10.48550/arxiv.1904.00631 · pith_short_12: QAPORY5UGPOO · pith_short_16: QAPORY5UGPOOGNEB · pith_short_8: QAPORY5U

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/QAPORY5UGPOOGNEB7Y4DX2M54H \
  | 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: 801ee8e3b433dce33481fe383be99de1fb859870a0ec0cd4a508f8a4c164c884

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee2491567abce07119cf07953a16012991c29ed17f08f2b87f833e49e496cc2c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-04-01T08:23:32Z",
    "title_canon_sha256": "7002054198fe491c0aa5e59d4773c9ffe591cf4dd26e8e55bbd3059448e11677"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.00631",
    "kind": "arxiv",
    "version": 1
  }
}