Pith Number

pith:RR7YU4IW

pith:2017:RR7YU4IWEDZBIKQ2OFKCS6APEC

not attested not anchored not stored refs pending

A New Class of Fully Discrete Sparse Fourier Transforms: Faster Stable Implementations with Guarantees

Andrew Christlieb, Mark A. Iwen, Ruochuan Zhang, Sami Merhi

arxiv:1706.02740 v1 · 2017-06-08 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RR7YU4IWEDZBIKQ2OFKCS6APEC}

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.

Cited by

1 paper in Pith

Multiscale High-Dimensional Sparse Fourier Algorithms for Noisy Data

Receipt and verification

First computed	2026-05-18T00:42:41.100762Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c7f8a711620f2142a1a715429780f209a705c8af8588efe3829f5f67727dd7b

Aliases

arxiv: 1706.02740 · arxiv_version: 1706.02740v1 · doi: 10.48550/arxiv.1706.02740 · pith_short_12: RR7YU4IWEDZB · pith_short_16: RR7YU4IWEDZBIKQ2 · pith_short_8: RR7YU4IW

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/RR7YU4IWEDZBIKQ2OFKCS6APEC \
  | 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: 8c7f8a711620f2142a1a715429780f209a705c8af8588efe3829f5f67727dd7b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92aff4edacf600ca85056e9a984f061e9e458b5c197af55660c06d4403f7ee81",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-06-08T19:40:28Z",
    "title_canon_sha256": "833f82100887e4cd7e3289bd09bee18af20301427d15740c5ac86ce58d14e8aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.02740",
    "kind": "arxiv",
    "version": 1
  }
}