Pith Number

pith:OVSTXABJ

pith:2022:OVSTXABJMKXNSJ4LT6AVKAJQNH

not attested not anchored not stored refs pending

Uncertainty Minimization for Personalized Federated Semi-Supervised Learning

Haijun Zhang, Siguang Chen, Yanhang Shi

arxiv:2205.02438 v3 · 2022-05-05 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OVSTXABJMKXNSJ4LT6AVKAJQNH}

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	2026-07-05T05:23:09.062312Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75653b802962aed9278b9f8155013069c6405c52dfd19bd304cc77101dd1918b

Aliases

arxiv: 2205.02438 · arxiv_version: 2205.02438v3 · doi: 10.48550/arxiv.2205.02438 · pith_short_12: OVSTXABJMKXN · pith_short_16: OVSTXABJMKXNSJ4L · pith_short_8: OVSTXABJ

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/OVSTXABJMKXNSJ4LT6AVKAJQNH \
  | 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: 75653b802962aed9278b9f8155013069c6405c52dfd19bd304cc77101dd1918b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "637a7ea0b8b96a721cea1c5b82ac6c978a4a3f84342adc556c10f087e19552a5",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-05-05T04:41:27Z",
    "title_canon_sha256": "39df19a61f6135ec11d2e5eb3e7c253d2b5d8e3d2067728dc97e6f8119803efc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.02438",
    "kind": "arxiv",
    "version": 3
  }
}