Pith Number

pith:W2NCCGIY

pith:2018:W2NCCGIYMIOXC2AJYCIXTCNFQG

not attested not anchored not stored refs pending

Utility-Optimized Local Differential Privacy Mechanisms for Distribution Estimation

Takao Murakami, Yusuke Kawamoto

arxiv:1807.11317 v7 · 2018-07-30 · cs.DB · cs.CR · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W2NCCGIYMIOXC2AJYCIXTCNFQG}

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	2026-05-17T23:45:04.583531Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b69a211918621d716809c0917989a58180440c9bddd2b0d72707c4445d3d4aa1

Aliases

arxiv: 1807.11317 · arxiv_version: 1807.11317v7 · doi: 10.48550/arxiv.1807.11317 · pith_short_12: W2NCCGIYMIOX · pith_short_16: W2NCCGIYMIOXC2AJ · pith_short_8: W2NCCGIY

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/W2NCCGIYMIOXC2AJYCIXTCNFQG \
  | 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: b69a211918621d716809c0917989a58180440c9bddd2b0d72707c4445d3d4aa1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2da4622d916ac71878a55f4b454963a7e28ad402190c48883affa2818964a0c",
    "cross_cats_sorted": [
      "cs.CR",
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2018-07-30T12:39:35Z",
    "title_canon_sha256": "dadfefb3bcb1f9fc37b0808d1e3c613f48b205b00faafc6730782cd314e7568a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.11317",
    "kind": "arxiv",
    "version": 7
  }
}