Pith Number

pith:VOETX7CQ

pith:2021:VOETX7CQZCNRUWLGDTWAC7B2JB

not attested not anchored not stored refs pending

Distributed Second Order Methods with Fast Rates and Compressed Communication

Peter Richt\'arik, Rustem Islamov, Xun Qian

arxiv:2102.07158 v1 · 2021-02-14 · cs.LG · cs.DC · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VOETX7CQZCNRUWLGDTWAC7B2JB}

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	2026-07-05T02:15:02.033949Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab893bfc50c89b1a59661cec017c3a487805edbf577998895f1f11c1ce81af2a

Aliases

arxiv: 2102.07158 · arxiv_version: 2102.07158v1 · doi: 10.48550/arxiv.2102.07158 · pith_short_12: VOETX7CQZCNR · pith_short_16: VOETX7CQZCNRUWLG · pith_short_8: VOETX7CQ

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/VOETX7CQZCNRUWLGDTWAC7B2JB \
  | 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: ab893bfc50c89b1a59661cec017c3a487805edbf577998895f1f11c1ce81af2a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef2521a7cc1fba8f662b6f0871179c638709f0046c7fc030578f35c9efed0b9a",
    "cross_cats_sorted": [
      "cs.DC",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-02-14T14:06:45Z",
    "title_canon_sha256": "4e5d2fc6427e3ac78fb697333594265ff13c7249b6608f6d94d1bcd9795d524e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.07158",
    "kind": "arxiv",
    "version": 1
  }
}