Pith Number

pith:E2UWDPVS

pith:2023:E2UWDPVSSWGKBQ4S6TLCOFVDYN

not attested not anchored not stored refs pending

Communication-Efficient Federated Hypergradient Computation via Aggregated Iterative Differentiation

Kaiyi Ji, Peiyao Xiao

arxiv:2302.04969 v3 · 2023-02-09 · cs.LG · math.OC · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E2UWDPVSSWGKBQ4S6TLCOFVDYN}

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	2026-07-05T06:21:15.545615Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26a961beb2958ca0c392f4d62716a3c3627c8cc0e71bd23e6e1fe927d985db37

Aliases

arxiv: 2302.04969 · arxiv_version: 2302.04969v3 · doi: 10.48550/arxiv.2302.04969 · pith_short_12: E2UWDPVSSWGK · pith_short_16: E2UWDPVSSWGKBQ4S · pith_short_8: E2UWDPVS

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/E2UWDPVSSWGKBQ4S6TLCOFVDYN \
  | 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: 26a961beb2958ca0c392f4d62716a3c3627c8cc0e71bd23e6e1fe927d985db37

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35049bfb5db10ac6aa36158d42c0db2bf1e3541d538662bdd31e3d3d3fc27b99",
    "cross_cats_sorted": [
      "math.OC",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2023-02-09T23:07:34Z",
    "title_canon_sha256": "94d17c53ed3a882ac8779a2c90bf19e8a53e415362f6a9324c83fde0c78167a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2302.04969",
    "kind": "arxiv",
    "version": 3
  }
}