Pith Number

pith:ULIQB5QG

pith:2021:ULIQB5QGV33QHMP62PEURNSHUI

not attested not anchored not stored refs pending

Privacy and Trust Redefined in Federated Machine Learning

Adam J. Hall, Nikolaos Pitropakis, Pavlos Papadopoulos, Will Abramson, William J. Buchanan

arxiv:2103.15753 v2 · 2021-03-29 · cs.CR · cs.CY · 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{ULIQB5QGV33QHMP62PEURNSHUI}

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	2026-07-05T02:27:46.404720Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2d100f606aef703b1fed3c948b647a23785cacfa45622fe454f1233b27803df

Aliases

arxiv: 2103.15753 · arxiv_version: 2103.15753v2 · doi: 10.48550/arxiv.2103.15753 · pith_short_12: ULIQB5QGV33Q · pith_short_16: ULIQB5QGV33QHMP6 · pith_short_8: ULIQB5QG

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/ULIQB5QGV33QHMP62PEURNSHUI \
  | 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: a2d100f606aef703b1fed3c948b647a23785cacfa45622fe454f1233b27803df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3fdd47f44a8034a9aaabc7fe1f81ae53665c40ad51a82aa8ef98a3fa07055c0",
    "cross_cats_sorted": [
      "cs.CY",
      "cs.DC",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2021-03-29T16:47:01Z",
    "title_canon_sha256": "0b93b2ee23d616972a463186087d39eed83d9fbdd57dd6c5648fabe80a416187"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.15753",
    "kind": "arxiv",
    "version": 2
  }
}