Pith Number

pith:QHR2JG7W

pith:2016:QHR2JG7WJYYHJJTPW3AUFYOS2E

not attested not anchored not stored refs pending

A note on "achieving security, robust cheating resistance, and high-efficiency for outsourcing large matrix multiplication computation to a malicious cloud"

Lihua Liu, Zhengjun Cao

arxiv:1603.07399 v1 · 2016-03-24 · 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{QHR2JG7WJYYHJJTPW3AUFYOS2E}

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	2026-05-18T01:18:21.069873Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81e3a49bf64e3074a66fb6c142e1d2d11ffecb92b906efe14141029921bddb83

Aliases

arxiv: 1603.07399 · arxiv_version: 1603.07399v1 · doi: 10.48550/arxiv.1603.07399 · pith_short_12: QHR2JG7WJYYH · pith_short_16: QHR2JG7WJYYHJJTP · pith_short_8: QHR2JG7W

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/QHR2JG7WJYYHJJTPW3AUFYOS2E \
  | 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: 81e3a49bf64e3074a66fb6c142e1d2d11ffecb92b906efe14141029921bddb83

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b65a786f562871f8df06cad289c1dbee17aa2114abe5d68ea2359a5e0fbd051",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2016-03-24T00:32:46Z",
    "title_canon_sha256": "6e4649ccd705e818564e0805c0cd210651489cca5b31fab2f615a36142eb6847"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.07399",
    "kind": "arxiv",
    "version": 1
  }
}