Pith Number

pith:EOA2H5XA

pith:2022:EOA2H5XAVGXCZNB2A3LMPGEVRH

not attested not anchored not stored refs pending

Sampling numbers of smoothness classes via $\ell^1$-minimization

Felix Voigtlaender, Thomas Jahn, Tino Ullrich

arxiv:2212.00445 v3 · 2022-12-01 · 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{EOA2H5XAVGXCZNB2A3LMPGEVRH}

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.

Cited by

1 paper in Pith

Some lower bounds for optimal sampling recovery of functions with mixed smoothness

Receipt and verification

First computed	2026-07-05T06:36:10.772719Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2381a3f6e0a9ae2cb43a06d6c7989589c01f7254f82c69c5b6d5fe2b8f44cb0f

Aliases

arxiv: 2212.00445 · arxiv_version: 2212.00445v3 · doi: 10.48550/arxiv.2212.00445 · pith_short_12: EOA2H5XAVGXC · pith_short_16: EOA2H5XAVGXCZNB2 · pith_short_8: EOA2H5XA

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/EOA2H5XAVGXCZNB2A3LMPGEVRH \
  | 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: 2381a3f6e0a9ae2cb43a06d6c7989589c01f7254f82c69c5b6d5fe2b8f44cb0f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd47a5bcfeb164f4dbedde3f14330723a35df21c9561e0b928f8a4fd01f377ef",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2022-12-01T11:31:32Z",
    "title_canon_sha256": "1548cc60724d467aaa9ffe1471014c303fed1efd3aa3fa02800731ba6e235823"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2212.00445",
    "kind": "arxiv",
    "version": 3
  }
}