Pith Number

pith:B2TLPC5I

pith:2023:B2TLPC5IB5M2FMDU55QUJGAKBE

not attested not anchored not stored refs pending

SimFBO: Towards Simple, Flexible and Communication-efficient Federated Bilevel Learning

Kaiyi Ji, Peiyao Xiao, Yifan Yang

arxiv:2305.19442 v5 · 2023-05-30 · cs.LG · cs.DC · 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{B2TLPC5IB5M2FMDU55QUJGAKBE}

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	2026-07-05T07:28:28.377569Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ea6b78ba80f59a2b074ef6144980a0930871e1226208a16307a949b83cf74b8

Aliases

arxiv: 2305.19442 · arxiv_version: 2305.19442v5 · doi: 10.48550/arxiv.2305.19442 · pith_short_12: B2TLPC5IB5M2 · pith_short_16: B2TLPC5IB5M2FMDU · pith_short_8: B2TLPC5I

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/B2TLPC5IB5M2FMDU55QUJGAKBE \
  | 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: 0ea6b78ba80f59a2b074ef6144980a0930871e1226208a16307a949b83cf74b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86ea6d7ff5fe3fd00ebe244f66dcb1a3ff593747c00612c2a79522d9748544cd",
    "cross_cats_sorted": [
      "cs.DC",
      "math.OC",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2023-05-30T22:30:30Z",
    "title_canon_sha256": "3be5d47df5bf93ac025fe1d555f9a69d197083ed392150b2b6b3c8f35ced37dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2305.19442",
    "kind": "arxiv",
    "version": 5
  }
}