Pith Number

pith:HPRMYT3J

pith:2025:HPRMYT3JIJ7ANVRUYQIBW7UE5B

not attested not anchored not stored refs pending

FedFitTech: A Baseline in Federated Learning for Fitness Tracking

Kristof Van Laerhoven, Marius Bock, Shreyas Korde, Zeyneddin Oz

arxiv:2506.16840 v2 · 2025-06-20 · 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{HPRMYT3JIJ7ANVRUYQIBW7UE5B}

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	2026-07-05T12:10:58.647145Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3be2cc4f69427e06d634c4101b7e84e8635d4cfb878a85417a74a858c0eaa9cd

Aliases

arxiv: 2506.16840 · arxiv_version: 2506.16840v2 · doi: 10.48550/arxiv.2506.16840 · pith_short_12: HPRMYT3JIJ7A · pith_short_16: HPRMYT3JIJ7ANVRU · pith_short_8: HPRMYT3J

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/HPRMYT3JIJ7ANVRUYQIBW7UE5B \
  | 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: 3be2cc4f69427e06d634c4101b7e84e8635d4cfb878a85417a74a858c0eaa9cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce01feaba25ab5287a6b4b4e8d54fe16f42b11d1cfc7e0dd208ba21af37774d1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-06-20T08:43:39Z",
    "title_canon_sha256": "d28808af45b848d46928d15e6199d8990c46f3065f565c5097a9432a6079eb3b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.16840",
    "kind": "arxiv",
    "version": 2
  }
}