pith. sign in
Pith Number

pith:OWMZVP4P

pith:2017:OWMZVP4P3QPZOHONGSRPQ2QTDN
not attested not anchored not stored refs pending

Restriction of the Fourier transform to some oscillating curves

Dashan Fan, Lifeng Wang, Xianghong Chen

arxiv:1701.00477 v1 · 2017-01-02 · math.CA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{OWMZVP4P3QPZOHONGSRPQ2QTDN}

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 2026-05-18T00:53:35.497282Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

75999abf8fdc1f971dcd34a2f86a131b64458edfcec72fc4e7c9cb9c2408b00b

Aliases

arxiv: 1701.00477 · arxiv_version: 1701.00477v1 · doi: 10.48550/arxiv.1701.00477 · pith_short_12: OWMZVP4P3QPZ · pith_short_16: OWMZVP4P3QPZOHON · pith_short_8: OWMZVP4P
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/OWMZVP4P3QPZOHONGSRPQ2QTDN \
  | 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: 75999abf8fdc1f971dcd34a2f86a131b64458edfcec72fc4e7c9cb9c2408b00b
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "57c801d0e911c5cf0702268d6a4340313686f8c977e46a6173b2a51a980a54f9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2017-01-02T18:49:02Z",
    "title_canon_sha256": "ca9f6b3beef37f59f5b132f999981ffb000818737e9c2b364336d9bf1c4630fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.00477",
    "kind": "arxiv",
    "version": 1
  }
}