Pith Number

pith:TOLZH465

pith:2015:TOLZH465SW7JDRVNU5OQSHMEXX

not attested not anchored not stored refs pending

An Accuracy-Assured Privacy-Preserving Recommender System for Internet Commerce

Hong Shen, Zhigang Lu

arxiv:1505.07897 v3 · 2015-05-29 · cs.CR · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TOLZH465SW7JDRVNU5OQSHMEXX}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:57:41.566435Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b9793f3dd95be91c6ada75d091d84bdcab3382de4460272a31f1bc4c052f7a2

Aliases

arxiv: 1505.07897 · arxiv_version: 1505.07897v3 · doi: 10.48550/arxiv.1505.07897 · pith_short_12: TOLZH465SW7J · pith_short_16: TOLZH465SW7JDRVN · pith_short_8: TOLZH465

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/TOLZH465SW7JDRVNU5OQSHMEXX \
  | 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: 9b9793f3dd95be91c6ada75d091d84bdcab3382de4460272a31f1bc4c052f7a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e96f18bd3134fc760a24fe05da045a960e2957c23a29202c44940e5e72040cd",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2015-05-29T01:04:29Z",
    "title_canon_sha256": "3e94a3210f82eec2ca15c51220e99eb0fb6013c43ccd7e34658e3fb1d4a036d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.07897",
    "kind": "arxiv",
    "version": 3
  }
}