Pith Number

pith:M7S2P6MM

pith:2015:M7S2P6MMUSKDVXAF7SVHCY6EMF

not attested not anchored not stored refs pending

Direct Inversion of the 3D Pseudo-polar Fourier Transform

Amir Averbuch, Gil Shabat, Yoel Shkolnisky

arxiv:1507.06174 v2 · 2015-07-22 · math.NA · cs.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{M7S2P6MMUSKDVXAF7SVHCY6EMF}

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	2026-05-18T01:21:13.223067Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67e5a7f98ca4943adc05fcaa7163c4614124e41df6ae989ccbc629edd5cbf308

Aliases

arxiv: 1507.06174 · arxiv_version: 1507.06174v2 · doi: 10.48550/arxiv.1507.06174 · pith_short_12: M7S2P6MMUSKD · pith_short_16: M7S2P6MMUSKDVXAF · pith_short_8: M7S2P6MM

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/M7S2P6MMUSKDVXAF7SVHCY6EMF \
  | 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: 67e5a7f98ca4943adc05fcaa7163c4614124e41df6ae989ccbc629edd5cbf308

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3478e05aa9ce76bdf09efddc1e55d2981886f8ac908069f18fd9a4d30c96df2",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-07-22T13:19:27Z",
    "title_canon_sha256": "81be5799073869af92c79dedf2c96776bd482ec31dd642ee7dc4e1e0539b7c56"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.06174",
    "kind": "arxiv",
    "version": 2
  }
}