Pith Number

pith:OYQESHIN

pith:2021:OYQESHIN45XS5GBIGOJ4QNZEQH

not attested not anchored not stored refs pending

Least Squares Optimal Density Compensation for the Gridding Non-uniform Discrete Fourier Transform

Corey A. Baron, Daniel O'Connor, Ethan M. I. Johnson, Jeremy W. Gordon, John M. Pauly, Nicholas Dwork, Peder E. Z. Larson

arxiv:2106.06660 v2 · 2021-06-12 · 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{OYQESHIN45XS5GBIGOJ4QNZEQH}

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	2026-07-05T02:49:55.876870Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7620491d0de76f2e98283393c8372481d5c39d0dc03ec9afc3faf7f4f93ff966

Aliases

arxiv: 2106.06660 · arxiv_version: 2106.06660v2 · doi: 10.48550/arxiv.2106.06660 · pith_short_12: OYQESHIN45XS · pith_short_16: OYQESHIN45XS5GBI · pith_short_8: OYQESHIN

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/OYQESHIN45XS5GBIGOJ4QNZEQH \
  | 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: 7620491d0de76f2e98283393c8372481d5c39d0dc03ec9afc3faf7f4f93ff966

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c69f572c25bff4d3494e480b138f692fbd5950b4ac65ea924b628fc54960fe30",
    "cross_cats_sorted": [
      "physics.med-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2021-06-12T01:29:48Z",
    "title_canon_sha256": "2d6d261815ab470d7b21589df7aa2093f3212a5faf1aebf99c110f4c771e61d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.06660",
    "kind": "arxiv",
    "version": 2
  }
}