Pith Number

pith:TCVNLSKE

pith:2026:TCVNLSKEAEOHTIPEFVKTH66LMY

not attested not anchored not stored refs pending

On the sample complexity of Fourier compressed sensing: wavelets versus shearlets

Alessandro Felisi, Giovanni S. Alberti, I\c{s}{\i}l G\"uleken

arxiv:2607.20020 v1 · 2026-07-22 · math.FA · cs.IT · math.IT · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TCVNLSKEAEOHTIPEFVKTH66LMY}

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	2026-07-23T01:24:55.894003Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

98aad5c944011c79a1e42d5533fbcb6633b21f0ea1b44320be6925de42fd1e05

Aliases

arxiv: 2607.20020 · arxiv_version: 2607.20020v1 · doi: 10.48550/arxiv.2607.20020 · pith_short_12: TCVNLSKEAEOH · pith_short_16: TCVNLSKEAEOHTIPE · pith_short_8: TCVNLSKE

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/TCVNLSKEAEOHTIPEFVKTH66LMY \
  | 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: 98aad5c944011c79a1e42d5533fbcb6633b21f0ea1b44320be6925de42fd1e05

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "124b87314eea89e226be82644c4d918685d21c6e1b960b60c6dd717a11ae7ff9",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT",
      "math.OC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2026-07-22T11:00:16Z",
    "title_canon_sha256": "20f4b350e7c08614c3fea2b2ee22426739cb044f42e4621249d50b4f5186898d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.20020",
    "kind": "arxiv",
    "version": 1
  }
}