Pith Number

pith:GS4VCCS7

pith:2009:GS4VCCS7P3GQI2EG7AA4446WWM

not attested not anchored not stored refs pending

Parameterized Complexity of the k-anonymity Problem

Gianluca Della Vedova, Paola Bonizzoni, Riccardo Dondi, Stefano Beretta, Yuri Pirola

arxiv:0910.3148 v2 · 2009-10-16 · cs.DS · cs.DB · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GS4VCCS7P3GQI2EG7AA4446WWM}

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	2026-05-18T03:06:52.258822Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

34b9510a5f7ecd046886f801ce73d6b30c5c85599de738ad7a964b5f89421117

Aliases

arxiv: 0910.3148 · arxiv_version: 0910.3148v2 · doi: 10.48550/arxiv.0910.3148 · pith_short_12: GS4VCCS7P3GQ · pith_short_16: GS4VCCS7P3GQI2EG · pith_short_8: GS4VCCS7

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/GS4VCCS7P3GQI2EG7AA4446WWM \
  | 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: 34b9510a5f7ecd046886f801ce73d6b30c5c85599de738ad7a964b5f89421117

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d52a3ec3b93a64ca80c1aa18a3759499eb5979a36682810496ddb787612a70b6",
    "cross_cats_sorted": [
      "cs.DB",
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2009-10-16T16:01:33Z",
    "title_canon_sha256": "fe7215faa5061d75fb80d83242bda6b0f8ef8cfdbe986e89be5a649a2fa58705"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.3148",
    "kind": "arxiv",
    "version": 2
  }
}