Pith Number

pith:VULJDNJM

pith:2019:VULJDNJMMSHQJ7PRB2GDBWKVYZ

not attested not anchored not stored refs pending

SAFA: a Semi-Asynchronous Protocol for Fast Federated Learning with Low Overhead

Carsten Maple, Ligang He, Rui Mao, Stephen Jarvis, Weiwei Lin, Wentai Wu

arxiv:1910.01355 v4 · 2019-10-03 · cs.DC · 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{VULJDNJMMSHQJ7PRB2GDBWKVYZ}

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	2026-07-05T02:34:28.785301Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad1691b52c648f04fdf10e8c30d955c66ea6c37939a5f614e0ece1f7ba9ad16f

Aliases

arxiv: 1910.01355 · arxiv_version: 1910.01355v4 · doi: 10.48550/arxiv.1910.01355 · pith_short_12: VULJDNJMMSHQ · pith_short_16: VULJDNJMMSHQJ7PR · pith_short_8: VULJDNJM

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/VULJDNJMMSHQJ7PRB2GDBWKVYZ \
  | 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: ad1691b52c648f04fdf10e8c30d955c66ea6c37939a5f614e0ece1f7ba9ad16f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e225ba59cc089d6506d796d1bd24f161fbe6190890dfc90a5d3d514286f51ce8",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2019-10-03T08:43:09Z",
    "title_canon_sha256": "2941fd58a8a812d5f00b14a883d74a99f323ce1c6627fa41777e1095c8b53694"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.01355",
    "kind": "arxiv",
    "version": 4
  }
}