Pith Number

pith:BCKTHAW7

pith:2022:BCKTHAW7WW5CNTJS6UUUFXYZON

not attested not anchored not stored refs pending

Differentially Private Adaptive Optimization with Delayed Preconditioners

H. Brendan McMahan, Ken Ziyu Liu, Manzil Zaheer, Sashank J. Reddi, Tian Li, Virginia Smith

arxiv:2212.00309 v2 · 2022-12-01 · cs.LG · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BCKTHAW7WW5CNTJS6UUUFXYZON}

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	2026-07-05T06:18:37.124030Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08953382dfb5ba26cd32f52942df1973728714849a1b195e22292674c182dcd4

Aliases

arxiv: 2212.00309 · arxiv_version: 2212.00309v2 · doi: 10.48550/arxiv.2212.00309 · pith_short_12: BCKTHAW7WW5C · pith_short_16: BCKTHAW7WW5CNTJS · pith_short_8: BCKTHAW7

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/BCKTHAW7WW5CNTJS6UUUFXYZON \
  | 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: 08953382dfb5ba26cd32f52942df1973728714849a1b195e22292674c182dcd4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "785095d4c20c1064640a5499f503c9d805867f6e495040acce5684527001d4e6",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-12-01T06:59:30Z",
    "title_canon_sha256": "79ea5149355104ca3279baea21e3ebfa1ea334de094c884ee34e1114eb0d0389"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2212.00309",
    "kind": "arxiv",
    "version": 2
  }
}