pith. sign in
Pith Number

pith:SF5AERNO

pith:2012:SF5AERNOMMLVC26LW3BFZPISV6
not attested not anchored not stored refs pending

Comparison of Image Registration Based Measures of Regional Lung Ventilation from Dynamic Spiral CT with Xe-CT

Eric A. Hoffman, Gary E. Christensen, Joseph M. Reinhardt, Kai Ding, Kaifang Du, Kunlin Cao, Matthew K. Fuld

arxiv:1201.6011 v1 · 2012-01-29 · physics.med-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{SF5AERNOMMLVC26LW3BFZPISV6}

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 2026-05-18T01:58:38.524123Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

917a0245ae6317516bcbb6c25cbd12afbe1452211c7eaeacc2ef5bef7275a838

Aliases

arxiv: 1201.6011 · arxiv_version: 1201.6011v1 · doi: 10.48550/arxiv.1201.6011 · pith_short_12: SF5AERNOMMLV · pith_short_16: SF5AERNOMMLVC26L · pith_short_8: SF5AERNO
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/SF5AERNOMMLVC26LW3BFZPISV6 \
  | 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: 917a0245ae6317516bcbb6c25cbd12afbe1452211c7eaeacc2ef5bef7275a838
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "8602b2e6af0ac0eb3dfc66da77d4abb31b9e855a204dc294c82def99ea6e7042",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2012-01-29T02:57:37Z",
    "title_canon_sha256": "916665ac12190d5ae33cc4bb4dbdd8e7998d5770e72a17cbead9900bc60ff536"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.6011",
    "kind": "arxiv",
    "version": 1
  }
}