Pith Number

pith:LITMYWSP

pith:2025:LITMYWSPFLKQNXWT4ARX43Q4KP

not attested not anchored not stored refs pending

TAPFed: Threshold Secure Aggregation for Privacy-Preserving Federated Learning

Bo Li, Chao Li, James B.D. Joshi, Jianxin Li, Runhua Xu, Shuai Ma

arxiv:2501.05053 v1 · 2025-01-09 · cs.CR · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LITMYWSPFLKQNXWT4ARX43Q4KP}

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	2026-07-05T09:59:03.609235Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a26cc5a4f2ad506ded3e0237e6e1c53c8069b1bfe521a9100d79a96dcba7b18

Aliases

arxiv: 2501.05053 · arxiv_version: 2501.05053v1 · doi: 10.48550/arxiv.2501.05053 · pith_short_12: LITMYWSPFLKQ · pith_short_16: LITMYWSPFLKQNXWT · pith_short_8: LITMYWSP

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/LITMYWSPFLKQNXWT4ARX43Q4KP \
  | 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: 5a26cc5a4f2ad506ded3e0237e6e1c53c8069b1bfe521a9100d79a96dcba7b18

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40b92900ea2a64a55c2ed36e07044112cfc7f53681cac7bf6ef0035ba8c6fcb5",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2025-01-09T08:24:10Z",
    "title_canon_sha256": "9728a26b2eae448785f0b05fa1e14bd66e6bfc05ff56b1cade81559ebbffe131"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.05053",
    "kind": "arxiv",
    "version": 1
  }
}