Pith Number

pith:V5OYWKTC

pith:2021:V5OYWKTCWBV76CAEQUMX3EG7WG

not attested not anchored not stored refs pending

Private Multi-Task Learning: Formulation and Applications to Federated Learning

Shengyuan Hu, Virginia Smith, Zhiwei Steven Wu

arxiv:2108.12978 v3 · 2021-08-30 · 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{V5OYWKTCWBV76CAEQUMX3EG7WG}

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.

Cited by

1 paper in Pith

Privacy-Preserving Personalized Federated Prompt Learning for Multimodal Large Language Models

Receipt and verification

First computed	2026-07-05T07:01:35.974182Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af5d8b2a62b06bff080485197d90dfb18e2e4345509c2c3c83b78dfce28e4163

Aliases

arxiv: 2108.12978 · arxiv_version: 2108.12978v3 · doi: 10.48550/arxiv.2108.12978 · pith_short_12: V5OYWKTCWBV7 · pith_short_16: V5OYWKTCWBV76CAE · pith_short_8: V5OYWKTC

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/V5OYWKTCWBV76CAEQUMX3EG7WG \
  | 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: af5d8b2a62b06bff080485197d90dfb18e2e4345509c2c3c83b78dfce28e4163

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd62fbdd1b6ff3cd3b9e7e94c8083a4f0a46dcfb6fa308ff34e141e9e673f9b0",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-08-30T03:37:36Z",
    "title_canon_sha256": "c6428374d04f2b5750355a8ace6d8a1f0be60443d278281b36a78f034a090e38"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.12978",
    "kind": "arxiv",
    "version": 3
  }
}