Pith Number

pith:CCEILMG7

pith:2025:CCEILMG7APRY7PV5ESNLG2WN4I

not attested not anchored not stored refs pending

NysAct: A Scalable Preconditioned Gradient Descent using Nystrom Approximation

Hyunseok Seung, Hyunsuk Ko, Jaewoo Lee

arxiv:2506.08360 v1 · 2025-06-10 · 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{CCEILMG7APRY7PV5ESNLG2WN4I}

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	2026-07-05T11:18:48.502582Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

108885b0df03e38fbebd249ab36acde2322c33e38a4c6483ce4efb40fd80fdce

Aliases

arxiv: 2506.08360 · arxiv_version: 2506.08360v1 · doi: 10.48550/arxiv.2506.08360 · pith_short_12: CCEILMG7APRY · pith_short_16: CCEILMG7APRY7PV5 · pith_short_8: CCEILMG7

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/CCEILMG7APRY7PV5ESNLG2WN4I \
  | 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: 108885b0df03e38fbebd249ab36acde2322c33e38a4c6483ce4efb40fd80fdce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "091772a8e45227dc7b77f2b05d619c0dc122d3e13ee39a94b37e53a686fcb15d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-06-10T02:18:08Z",
    "title_canon_sha256": "6dd6b262c02127e7a3744009a29f34edcdd8dfeacb1bee24ca5fb801f690a62c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.08360",
    "kind": "arxiv",
    "version": 1
  }
}