pith. sign in
Pith Number

pith:FOP46PJF

pith:2018:FOP46PJFYOUL5FS6UXEXB4545E
not attested not anchored not stored refs pending

Deriving ventilation imaging from 4DCT by deep convolutional neural network

Edward Castillo, Jing Wang, Liyuan Chen, Nick Myziuk, Richard Castillo, Steve Jiang, Thomas Guerrero, Yevgeniy Vinogradskiy, Yuncheng Zhong

arxiv:1808.06982 v1 · 2018-08-21 · physics.med-ph · eess.IV

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{FOP46PJFYOUL5FS6UXEXB4545E}

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 2026-05-17T23:43:04.692761Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

2b9fcf3d25c3a8be965ea5c970f3bce933396150668fb18b2701f4bf0745846b

Aliases

arxiv: 1808.06982 · arxiv_version: 1808.06982v1 · doi: 10.48550/arxiv.1808.06982 · pith_short_12: FOP46PJFYOUL · pith_short_16: FOP46PJFYOUL5FS6 · pith_short_8: FOP46PJF
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/FOP46PJFYOUL5FS6UXEXB4545E \
  | 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: 2b9fcf3d25c3a8be965ea5c970f3bce933396150668fb18b2701f4bf0745846b
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "c6b8c72d2cb0314a61a2fd8012faab7446d441667a123b983fd399996aef5f36",
    "cross_cats_sorted": [
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2018-08-21T16:01:19Z",
    "title_canon_sha256": "ad63c238e46880aff368edf71aeccbeef89ec94e1c5514d7fc58140b91172d8b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.06982",
    "kind": "arxiv",
    "version": 1
  }
}