Pith Number

pith:JSJ5AHEK

pith:2018:JSJ5AHEKOK2XK4UURDMF5EYBVD

not attested not anchored not stored refs pending

Privacy Preservation in Location-Based Services: A Novel Metric and Attack Model

Bo Liu, Jun Li, Ming Ding, Sina Shaham, Zihuai Lin

arxiv:1805.06104 v1 · 2018-05-16 · cs.CR · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JSJ5AHEKOK2XK4UURDMF5EYBVD}

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	2026-05-18T00:15:48.885920Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c93d01c8a72b575729488d85e9301a8c30ac837b8bf089ba2ae81fe21b18d6c

Aliases

arxiv: 1805.06104 · arxiv_version: 1805.06104v1 · doi: 10.48550/arxiv.1805.06104 · pith_short_12: JSJ5AHEKOK2X · pith_short_16: JSJ5AHEKOK2XK4UU · pith_short_8: JSJ5AHEK

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/JSJ5AHEKOK2XK4UURDMF5EYBVD \
  | 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: 4c93d01c8a72b575729488d85e9301a8c30ac837b8bf089ba2ae81fe21b18d6c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "227c3c6917aec79cfc486df3c23665f9653dafe1ef064c1e7f27660be3409c6e",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2018-05-16T02:51:10Z",
    "title_canon_sha256": "a46f5c329b740a06f0de286786d2cf8fb8af5def1e1181cbf3e2d616ef05b4e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.06104",
    "kind": "arxiv",
    "version": 1
  }
}