Pith Number

pith:SGAX56VZ

pith:2026:SGAX56VZ3VLPSAGLCWFUQWDWBF

not attested not anchored not stored refs pending

Towards Family-Grouped Hierarchical Federated Learning on Sub-5KB Models: A Feasibility Study of Privacy-Preserving ECG Monitoring for Ultra-Resource-Constrained Wearables

Hangyu Wu

arxiv:2605.18862 v1 · 2026-05-15 · cs.LG · cs.AI · 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{SGAX56VZ3VLPSAGLCWFUQWDWBF}

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	2026-05-20T00:06:29.098171Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91817efab9dd56f900cb158b4858760966e50bf7bd2c755fe3b8cd701b3c2a78

Aliases

arxiv: 2605.18862 · arxiv_version: 2605.18862v1 · doi: 10.48550/arxiv.2605.18862 · pith_short_12: SGAX56VZ3VLP · pith_short_16: SGAX56VZ3VLPSAGL · pith_short_8: SGAX56VZ

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/SGAX56VZ3VLPSAGLCWFUQWDWBF \
  | 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: 91817efab9dd56f900cb158b4858760966e50bf7bd2c755fe3b8cd701b3c2a78

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "271570571f8c16a60caf6bc8d631d233f2310a1fec72485017c9e39e8d39174e",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-15T01:51:09Z",
    "title_canon_sha256": "0c7fab5bfda7f6ad342bc432e6862fff4428ab20ce6dd5716901b8597ab195aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.18862",
    "kind": "arxiv",
    "version": 1
  }
}