Pith Number

pith:BGUAWGMY

pith:2019:BGUAWGMY7AOC7O7CIIF7WCLDVI

not attested not anchored not stored refs pending

An Efficient Method for Multi-Parameter Mapping in Quantitative MRI using B-Spline Interpolation

Dirk H.J. Poot, Frans M. Vos, Kirsten Koolstra, Lucas J. van Vliet, Stefan Klein, Willem van Valenberg

arxiv:1911.07785 v1 · 2019-11-18 · eess.SP · eess.IV · 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{BGUAWGMY7AOC7O7CIIF7WCLDVI}

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	2026-07-05T00:20:08.243181Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

09a80b1998f81c2fbbe2420bfb0963aa03cfdc5a5d9c30a47f39f4e3aac426db

Aliases

arxiv: 1911.07785 · arxiv_version: 1911.07785v1 · doi: 10.48550/arxiv.1911.07785 · pith_short_12: BGUAWGMY7AOC · pith_short_16: BGUAWGMY7AOC7O7C · pith_short_8: BGUAWGMY

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/BGUAWGMY7AOC7O7CIIF7WCLDVI \
  | 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: 09a80b1998f81c2fbbe2420bfb0963aa03cfdc5a5d9c30a47f39f4e3aac426db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6c55b048cb22a2aef8a91ead3403d3f8ef04c0c58db6ccde25021ae794943fe",
    "cross_cats_sorted": [
      "eess.IV",
      "physics.med-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2019-11-18T17:38:37Z",
    "title_canon_sha256": "438efcf87a8abc1c20c569486e17354b1aee5016e0b03353796a4e67838bae7f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.07785",
    "kind": "arxiv",
    "version": 1
  }
}