Pith Number

pith:ZZKC2JTH

pith:2015:ZZKC2JTHXI5QGDVODKADNQSN3F

not attested not anchored not stored refs pending

The Eigenvalue Distribution of Time-Frequency Localization Operators

Arie Israel

arxiv:1502.04404 v1 · 2015-02-16 · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZZKC2JTHXI5QGDVODKADNQSN3F}

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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

Spectral deviation of concentration operators on reproducing kernel Hilbert spaces

Receipt and verification

First computed	2026-05-18T02:26:59.833982Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce542d2667ba3b030eae1a8036c24dd9536b230cafab1cf85a2a664d48dffde9

Aliases

arxiv: 1502.04404 · arxiv_version: 1502.04404v1 · doi: 10.48550/arxiv.1502.04404 · pith_short_12: ZZKC2JTHXI5Q · pith_short_16: ZZKC2JTHXI5QGDVO · pith_short_8: ZZKC2JTH

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/ZZKC2JTHXI5QGDVODKADNQSN3F \
  | 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: ce542d2667ba3b030eae1a8036c24dd9536b230cafab1cf85a2a664d48dffde9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36f7444ca02e5350e289df8712a95cfb9e488f7fdd4d99c2190721ecadec5e6d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2015-02-16T01:44:57Z",
    "title_canon_sha256": "23a012d9ffc1525b066491552491b7f3758ab9556cae2e0cc098fabe748367c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.04404",
    "kind": "arxiv",
    "version": 1
  }
}