Pith Number

pith:XV4APYBQ

pith:2022:XV4APYBQEB3Z7GJL45XRZNQTJD

not attested not anchored not stored refs pending

FedQAS: Privacy-aware machine reading comprehension with federated learning

Addi Ait-Mlouk, Andreas Hellander, Sadi Alawadi, Salman Toor

arxiv:2202.04742 v1 · 2022-02-09 · cs.CL · cs.AI · 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{XV4APYBQEB3Z7GJL45XRZNQTJD}

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	2026-07-05T03:55:53.448365Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd7807e03020779f992be76f1cb61348ff6b0740d791b213e9a1878721980cec

Aliases

arxiv: 2202.04742 · arxiv_version: 2202.04742v1 · doi: 10.48550/arxiv.2202.04742 · pith_short_12: XV4APYBQEB3Z · pith_short_16: XV4APYBQEB3Z7GJL · pith_short_8: XV4APYBQ

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/XV4APYBQEB3Z7GJL45XRZNQTJD \
  | 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: bd7807e03020779f992be76f1cb61348ff6b0740d791b213e9a1878721980cec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0df38b0523abb876ac9b7bd1768cb357944a7e5008208edca2e9de83aef827bf",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2022-02-09T22:03:35Z",
    "title_canon_sha256": "9df77c599153f54565b9af9b8b02edef7736c5946e98252ffa57fa3d6b6ad5fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.04742",
    "kind": "arxiv",
    "version": 1
  }
}