Pith Number

pith:QCKFNUOF

pith:2025:QCKFNUOFTNYKHRGGJAUJBWQBNZ

not attested not anchored not stored refs pending

FedQuad: Federated Stochastic Quadruplet Learning to Mitigate Data Heterogeneity

Nicolas Pugeault, Ozgu Goksu

arxiv:2509.04107 v1 · 2025-09-04 · cs.LG · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QCKFNUOFTNYKHRGGJAUJBWQBNZ}

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	2026-07-05T12:04:53.582365Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

809456d1c59b70a3c4c6482890da016e65bb6e893154ec15ae14e4a59599b094

Aliases

arxiv: 2509.04107 · arxiv_version: 2509.04107v1 · doi: 10.48550/arxiv.2509.04107 · pith_short_12: QCKFNUOFTNYK · pith_short_16: QCKFNUOFTNYKHRGG · pith_short_8: QCKFNUOF

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/QCKFNUOFTNYKHRGGJAUJBWQBNZ \
  | 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: 809456d1c59b70a3c4c6482890da016e65bb6e893154ec15ae14e4a59599b094

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99ee70d3b4c415410e2881085a77037d4dac01b3f35d6e61a25a18d7e654b8a7",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-09-04T11:11:10Z",
    "title_canon_sha256": "3d0be74e3a591b80622fdd66055bc6479021cbd2832e22c1f43f2e869acb3ec6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.04107",
    "kind": "arxiv",
    "version": 1
  }
}