Pith Number

pith:QZ62F2GR

pith:2022:QZ62F2GR2ZDXG3XQWDYGG7PBFS

not attested not anchored not stored refs pending

New Secure Sparse Inner Product with Applications to Machine Learning

Guowen Xu, Hongwei Li, Jianting Ning, Rongxing Lu, Shengmin Xu, Tianwei Zhang, Xinyi Huang

arxiv:2210.08421 v1 · 2022-10-16 · 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{QZ62F2GR2ZDXG3XQWDYGG7PBFS}

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	2026-07-05T05:07:10.782304Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

867da2e8d1d647736ef0b0f0637de12c903b00c0a545377e3a31d0977598a838

Aliases

arxiv: 2210.08421 · arxiv_version: 2210.08421v1 · doi: 10.48550/arxiv.2210.08421 · pith_short_12: QZ62F2GR2ZDX · pith_short_16: QZ62F2GR2ZDXG3XQ · pith_short_8: QZ62F2GR

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/QZ62F2GR2ZDXG3XQWDYGG7PBFS \
  | 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: 867da2e8d1d647736ef0b0f0637de12c903b00c0a545377e3a31d0977598a838

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11e695fdec0640dbf9ba36133175c1f6d8ab6f119627d9cd977e2f208a942efd",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2022-10-16T03:02:23Z",
    "title_canon_sha256": "bf52651d7a972cd9d669a449ed2e3470e8fe924d51cd2bfeccdb668af5a024b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.08421",
    "kind": "arxiv",
    "version": 1
  }
}