Pith Number

pith:Q2AAZLVO

pith:2021:Q2AAZLVOPEFHEVLLRN42XUDLEQ

not attested not anchored not stored refs pending

Scalable federated machine learning with FEDn

Addi Ait-Mlouk, Andreas Hellander, Mattias {\AA}kesson, Morgan Ekmefjord, Ola Spjuth, Prashant Singh, Sadi Alawadi, Salman Toor

arxiv:2103.00148 v2 · 2021-02-27 · cs.LG · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q2AAZLVOPEFHEVLLRN42XUDLEQ}

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	2026-07-05T04:11:05.092169Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86800caeae790a72556b8b79abd06b242c9d498d3ee425d6a988d117262ace93

Aliases

arxiv: 2103.00148 · arxiv_version: 2103.00148v2 · doi: 10.48550/arxiv.2103.00148 · pith_short_12: Q2AAZLVOPEFH · pith_short_16: Q2AAZLVOPEFHEVLL · pith_short_8: Q2AAZLVO

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/Q2AAZLVOPEFHEVLLRN42XUDLEQ \
  | 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: 86800caeae790a72556b8b79abd06b242c9d498d3ee425d6a988d117262ace93

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d783fd948fea49b264318967e6b60de05d5a34fdcabbbd70231338d6cf9d0d2d",
    "cross_cats_sorted": [
      "cs.DC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-02-27T07:30:31Z",
    "title_canon_sha256": "0fe7d76d06055ef4991393ebd05e841b6380d3b62afc4117192f9a212532bcef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.00148",
    "kind": "arxiv",
    "version": 2
  }
}