Pith Number

pith:LU4QXF5Z

pith:2019:LU4QXF5ZL3GTN254DVD4YGJ2DN

not attested not anchored not stored refs pending

Optimizing MRF-ASL Scan Design for Precise Quantification of Brain Hemodynamics using Neural Network Regression

Anish Lahiri, Jeffrey A Fessler, Luis Hernandez-Garcia

arxiv:1905.06474 v1 · 2019-05-15 · eess.IV · cs.LG · eess.SP · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LU4QXF5ZL3GTN254DVD4YGJ2DN}

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	2026-05-17T23:46:02.238744Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d390b97b95ecd36ebbc1d47cc193a1b677a6883d002f9908a6474a647012af1

Aliases

arxiv: 1905.06474 · arxiv_version: 1905.06474v1 · doi: 10.48550/arxiv.1905.06474 · pith_short_12: LU4QXF5ZL3GT · pith_short_16: LU4QXF5ZL3GTN254 · pith_short_8: LU4QXF5Z

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/LU4QXF5ZL3GTN254DVD4YGJ2DN \
  | 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: 5d390b97b95ecd36ebbc1d47cc193a1b677a6883d002f9908a6474a647012af1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3efb3b337073026a7030d1ca829db4e5b9051f8dde188510bf7be654f9023bd8",
    "cross_cats_sorted": [
      "cs.LG",
      "eess.SP",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2019-05-15T23:54:13Z",
    "title_canon_sha256": "8bdf43d5d901e808208b4fdd87d0c2857d855fc9d268d87cb6ff9935a3c7603e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.06474",
    "kind": "arxiv",
    "version": 1
  }
}