Pith Number

pith:6BUQKMSU

pith:2019:6BUQKMSUCNYFPG3QTMPHHYNCEO

not attested not anchored not stored refs pending

Evaluation of principal component analysis image denoising on multi-exponential MRI relaxometry

Daniel F. Gochberg, Jonas Lynge Olesen, Kevin D. Harkins, Mark D. Does, Noam Shemesh, Sune N. Jespersen, Teresa Serradas Duarte

arxiv:1903.08140 v2 · 2019-03-19 · 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{6BUQKMSUCNYFPG3QTMPHHYNCEO}

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	2026-05-17T23:50:44.343504Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f0690532541370579b709b1e73e1a223a3fb73c6136860c8e7fee09699e36ed0

Aliases

arxiv: 1903.08140 · arxiv_version: 1903.08140v2 · doi: 10.48550/arxiv.1903.08140 · pith_short_12: 6BUQKMSUCNYF · pith_short_16: 6BUQKMSUCNYFPG3Q · pith_short_8: 6BUQKMSU

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/6BUQKMSUCNYFPG3QTMPHHYNCEO \
  | 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: f0690532541370579b709b1e73e1a223a3fb73c6136860c8e7fee09699e36ed0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41513b177d1bdaf3a3da2b3b9b750b2712a08c421e9ee43f38fe8c77652fe392",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2019-03-19T17:54:55Z",
    "title_canon_sha256": "51813a0a3de550cc10329d90562bd95247799d17d2b16f87483e391ca6cc9d55"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.08140",
    "kind": "arxiv",
    "version": 2
  }
}