Pith Number

pith:DA2J5IYA

pith:2026:DA2J5IYADPH7PFSM4FDAC5IBNH

not attested not anchored not stored refs pending

Scalable Operator Learning via Nystr\"om Approximation With Denoising Applications

Naveen Gupta, S. Sivananthan, Vaibhav Silmana

arxiv:2606.26652 v1 · 2026-06-25 · math.ST · stat.ML · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DA2J5IYADPH7PFSM4FDAC5IBNH}

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	2026-06-26T01:15:37.310653Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18349ea3001bcff7964ce14601750169c62ff79a5cd49090c1991716a39110b7

Aliases

arxiv: 2606.26652 · arxiv_version: 2606.26652v1 · doi: 10.48550/arxiv.2606.26652 · pith_short_12: DA2J5IYADPH7 · pith_short_16: DA2J5IYADPH7PFSM · pith_short_8: DA2J5IYA

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/DA2J5IYADPH7PFSM4FDAC5IBNH \
  | 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: 18349ea3001bcff7964ce14601750169c62ff79a5cd49090c1991716a39110b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f85f84daca06678a798ede975c18692ab7ef21acc7cd9bdfea0322abc619278e",
    "cross_cats_sorted": [
      "stat.ML",
      "stat.TH"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2026-06-25T06:28:52Z",
    "title_canon_sha256": "9b52c3d991f8d68d523a1235f36fa0e605468d27635586438de881d2a70fe88a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.26652",
    "kind": "arxiv",
    "version": 1
  }
}