Pith Number

pith:7TNJWVVE

pith:2025:7TNJWVVEEQQX2KDTCWSRZCDNKQ

not attested not anchored not stored refs pending

PDLRecover: Privacy-preserving Decentralized Model Recovery with Machine Unlearning

Jianbing Ni, Maazen Alsabaan, Mohamed Mahmoud, Xiangman Li, Xiaodong Wu

arxiv:2506.15112 v1 · 2025-06-18 · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7TNJWVVEEQQX2KDTCWSRZCDNKQ}

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	2026-07-05T11:23:37.281254Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fcda9b56a424217d287315a51c886d5436313dda5974eea294096b36fb585da4

Aliases

arxiv: 2506.15112 · arxiv_version: 2506.15112v1 · doi: 10.48550/arxiv.2506.15112 · pith_short_12: 7TNJWVVEEQQX · pith_short_16: 7TNJWVVEEQQX2KDT · pith_short_8: 7TNJWVVE

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/7TNJWVVEEQQX2KDTCWSRZCDNKQ \
  | 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: fcda9b56a424217d287315a51c886d5436313dda5974eea294096b36fb585da4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b6151083b5ca9ec077557604263acaaf187b176158d3ee0f037c4e17a1d41ab",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2025-06-18T03:30:07Z",
    "title_canon_sha256": "f4b0f1c37c477c8d38c086ddc673e5bc926181db1994b47051c29f10f294a61c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.15112",
    "kind": "arxiv",
    "version": 1
  }
}