Pith Number

pith:WZYMG5MB

pith:2017:WZYMG5MBMJ56EIBDA7OONAUTD6

not attested not anchored not stored refs pending

A unified method for super-resolution recovery and real exponential-sum separation

Charles K. Chui, Hrushikesh N. Mhaskar

arxiv:1707.09428 v1 · 2017-07-26 · math.NA · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WZYMG5MBMJ56EIBDA7OONAUTD6}

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	2026-05-18T00:39:11.317375Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b670c37581627be2202307dce682931f8f2c44c1cd340ad8d2505c9273adc392

Aliases

arxiv: 1707.09428 · arxiv_version: 1707.09428v1 · doi: 10.48550/arxiv.1707.09428 · pith_short_12: WZYMG5MBMJ56 · pith_short_16: WZYMG5MBMJ56EIBD · pith_short_8: WZYMG5MB

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/WZYMG5MBMJ56EIBDA7OONAUTD6 \
  | 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: b670c37581627be2202307dce682931f8f2c44c1cd340ad8d2505c9273adc392

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e723c91e3464a7e347c388f028ea39241b26981aceb84129db79aa705fa56f74",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-07-26T20:28:27Z",
    "title_canon_sha256": "dccc06f7cb595b23b2619c1f868dcbca605e9f48a988604aa951b74f59e486e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.09428",
    "kind": "arxiv",
    "version": 1
  }
}