Pith Number

pith:ZE66ITYB

pith:2022:ZE66ITYBCLAIVO3W2G35L75MGA

not attested not anchored not stored refs pending

Improved Reconstruction for Fourier-Sparse Signals

Baocheng Sun, Omri Weinstein, Ruizhe Zhang, Yeqi Gao, Zhao Song

arxiv:2205.00658 v3 · 2022-05-02 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZE66ITYBCLAIVO3W2G35L75MGA}

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	2026-07-05T07:14:05.492101Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c93de44f0112c08abb76d1b7d5ffac302f9b9fb48a241a5bd9db35df1b1e5e93

Aliases

arxiv: 2205.00658 · arxiv_version: 2205.00658v3 · doi: 10.48550/arxiv.2205.00658 · pith_short_12: ZE66ITYBCLAI · pith_short_16: ZE66ITYBCLAIVO3W · pith_short_8: ZE66ITYB

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/ZE66ITYBCLAIVO3W2G35L75MGA \
  | 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: c93de44f0112c08abb76d1b7d5ffac302f9b9fb48a241a5bd9db35df1b1e5e93

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c01cc91e0d8af846037f9c46ae079f8dc1f3f890b2d85d8cb3e328141ff42a6",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2022-05-02T05:15:54Z",
    "title_canon_sha256": "b951b1ad3c4f62f568585d7decf1c5342f6d3210e058e414aa70f45a7da09082"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.00658",
    "kind": "arxiv",
    "version": 3
  }
}