pith. sign in
Pith Number

pith:UGU2ZYL2

pith:2019:UGU2ZYL2WLBLU2L6M3F7GY4I3X
not attested not anchored not stored refs pending

Motion correction in cardiac perfusion data by using robust matrix decomposition

Abdul Haseeb Ahmed, Ijaz M. Qureshi

arxiv:1904.04982 v1 · 2019-04-10 · eess.IV · physics.med-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{UGU2ZYL2WLBLU2L6M3F7GY4I3X}

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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 2026-05-17T23:48:54.544161Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

a1a9ace17ab2c2ba697e66cbf36388ddc48caf176c56ca4db48ad3d1bb006348

Aliases

arxiv: 1904.04982 · arxiv_version: 1904.04982v1 · doi: 10.48550/arxiv.1904.04982 · pith_short_12: UGU2ZYL2WLBL · pith_short_16: UGU2ZYL2WLBLU2L6 · pith_short_8: UGU2ZYL2
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/UGU2ZYL2WLBLU2L6M3F7GY4I3X \
  | 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: a1a9ace17ab2c2ba697e66cbf36388ddc48caf176c56ca4db48ad3d1bb006348
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "81213de893d3758ab977395eee80637940868466efabf1753c1699cbe8af2bee",
    "cross_cats_sorted": [
      "physics.med-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2019-04-10T02:28:28Z",
    "title_canon_sha256": "aa5b37748b512214399b156b62d208db9cd8db855cf3f15a0a8294729b8165e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.04982",
    "kind": "arxiv",
    "version": 1
  }
}