Pith Number

pith:OCAV4T7P

pith:2021:OCAV4T7PWC7GIDPFSWHMA6VBR5

not attested not anchored not stored refs pending

Deep learning based CT-to-CBCT deformable image registration for autosegmentation in head and neck adaptive radiation therapy

Dan Nguyen, Howard Morgan, Steve Jiang, Xiao Liang

arxiv:2102.00590 v1 · 2021-02-01 · physics.med-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OCAV4T7PWC7GIDPFSWHMA6VBR5}

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	2026-07-05T02:11:13.260282Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70815e4fefb0be640de5958ec07aa18f6a7d35511cddd6ab22664171e6194b78

Aliases

arxiv: 2102.00590 · arxiv_version: 2102.00590v1 · doi: 10.48550/arxiv.2102.00590 · pith_short_12: OCAV4T7PWC7G · pith_short_16: OCAV4T7PWC7GIDPF · pith_short_8: OCAV4T7P

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/OCAV4T7PWC7GIDPFSWHMA6VBR5 \
  | 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: 70815e4fefb0be640de5958ec07aa18f6a7d35511cddd6ab22664171e6194b78

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8eec6866ccc5906949eb5a0c4b461833bb09c9baf65b467b1916f0f3d1fe2cb8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2021-02-01T02:03:29Z",
    "title_canon_sha256": "170c1072f728f01ea5c0df68292916db0a2286ce3269f11ac4914e8da5c0b627"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.00590",
    "kind": "arxiv",
    "version": 1
  }
}