pith. sign in
Pith Number

pith:HKOS7UDA

pith:2011:HKOS7UDA2DHPUTIG2Y2FVBSUDR
not attested not anchored not stored refs pending

Extending wavelet filters. Infinite dimensions, the non-rational case, and indefinite-inner product spaces

Daniel Alpay, Izchak Lewkowicz, Palle Jorgensen

arxiv:1106.2303 v1 · 2011-06-12 · math.CV · math.FA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{HKOS7UDA2DHPUTIG2Y2FVBSUDR}

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 2026-05-18T04:20:06.053217Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

3a9d2fd060d0cefa4d06d6345a86541c4f3e9b68ecf244d6cf4a322909155cac

Aliases

arxiv: 1106.2303 · arxiv_version: 1106.2303v1 · doi: 10.48550/arxiv.1106.2303 · pith_short_12: HKOS7UDA2DHP · pith_short_16: HKOS7UDA2DHPUTIG · pith_short_8: HKOS7UDA
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/HKOS7UDA2DHPUTIG2Y2FVBSUDR \
  | 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: 3a9d2fd060d0cefa4d06d6345a86541c4f3e9b68ecf244d6cf4a322909155cac
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "ace519e9fcc71cc8382f72a7be5f1dcb35f8b1a9936d4202012568569d3a4976",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2011-06-12T11:29:11Z",
    "title_canon_sha256": "c2fa8a2536c54e8965727c12627c151452014a861a700c52b4e73d35ae987791"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.2303",
    "kind": "arxiv",
    "version": 1
  }
}