Pith Number

pith:EC76XWZX

pith:2026:EC76XWZX6UU7RHIJXIJXRD6UHK

not attested not anchored not stored refs pending

DASH: Faster Shampoo via Batched Block Preconditioning and Efficient Inverse-Root Solvers

Dan Alistarh, Erik Schultheis, Ionut-Vlad Modoranu, Mher Safaryan, Philip Zmushko

arxiv:2602.02016 v2 · 2026-02-02 · 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{EC76XWZX6UU7RHIJXIJXRD6UHK}

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	2026-06-26T01:15:48.975460Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20bfebdb37f529f89d09ba13788fd43aa8f3556e77b7cb54f356fcdb4a505ed3

Aliases

arxiv: 2602.02016 · arxiv_version: 2602.02016v2 · doi: 10.48550/arxiv.2602.02016 · pith_short_12: EC76XWZX6UU7 · pith_short_16: EC76XWZX6UU7RHIJ · pith_short_8: EC76XWZX

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/EC76XWZX6UU7RHIJXIJXRD6UHK \
  | 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: 20bfebdb37f529f89d09ba13788fd43aa8f3556e77b7cb54f356fcdb4a505ed3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49901c47790d714563a16be317c60ef4a9c7315c0bf2e4c7d1d88a2640e7c386",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-02-02T12:14:45Z",
    "title_canon_sha256": "a828e2ce0133aaa37b030cba94ecd992e34cc94d1e180e2c14512a62576cce62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.02016",
    "kind": "arxiv",
    "version": 2
  }
}