Pith Number

pith:7VGWEKP2

pith:2018:7VGWEKP2WZQY32LPVNGHEG3FZS

not attested not anchored not stored refs pending

Privacy preserving distributed optimization using homomorphic encryption

Minghui Zhu, Yang Lu

arxiv:1805.00572 v3 · 2018-05-01 · 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{7VGWEKP2WZQY32LPVNGHEG3FZS}

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	2026-05-18T00:15:09.524757Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd4d6229fab6618de96fab4c721b65cca6c181bd28f933d3929d7d31cdbfe505

Aliases

arxiv: 1805.00572 · arxiv_version: 1805.00572v3 · doi: 10.48550/arxiv.1805.00572 · pith_short_12: 7VGWEKP2WZQY · pith_short_16: 7VGWEKP2WZQY32LP · pith_short_8: 7VGWEKP2

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/7VGWEKP2WZQY32LPVNGHEG3FZS \
  | 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: fd4d6229fab6618de96fab4c721b65cca6c181bd28f933d3929d7d31cdbfe505

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f97fecb3da986890496677450904380e9f70c50cb30cb95809cb6b87a1cbd8b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2018-05-01T22:31:58Z",
    "title_canon_sha256": "ed5f3ec90aa7459af167c325444a310446a8f17665e8e6c151c82ab66fa59c1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.00572",
    "kind": "arxiv",
    "version": 3
  }
}