pith. sign in
Pith Number

pith:XQVDFPWH

pith:2016:XQVDFPWHN46D44RI23VHH34NON
not attested not anchored not stored refs pending

Fourier-sparse interpolation without a frequency gap

Daniel M. Kane, Eric Price, Xue Chen, Zhao Song

arxiv:1609.01361 v1 · 2016-09-06 · cs.DS

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{XQVDFPWHN46D44RI23VHH34NON}

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 2026-05-18T01:05:39.801624Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

bc2a32bec76f3c3e7228d6ea73ef8d7346b2806054292348b1f9ffcf3595da5a

Aliases

arxiv: 1609.01361 · arxiv_version: 1609.01361v1 · doi: 10.48550/arxiv.1609.01361 · pith_short_12: XQVDFPWHN46D · pith_short_16: XQVDFPWHN46D44RI · pith_short_8: XQVDFPWH
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/XQVDFPWHN46D44RI23VHH34NON \
  | 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: bc2a32bec76f3c3e7228d6ea73ef8d7346b2806054292348b1f9ffcf3595da5a
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "cd7c6e09e7665200ea3934fd3e8ba4bd0b1ec1702b339fe2de897d63a4c743d8",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2016-09-06T01:14:30Z",
    "title_canon_sha256": "59de6a50ec93548ac188d3ce7e2c2a1edc8226920fa7144769ce8786d5c36cc9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.01361",
    "kind": "arxiv",
    "version": 1
  }
}