Pith Number

pith:57GEDZ3M

pith:2019:57GEDZ3MHCNJW7AQKLOZKUCXZD

not attested not anchored not stored refs pending

Utility-Preserving Privacy Mechanisms for Counting Queries

Catuscia Palamidessi, Kacem Lefki, Natasha Fernandes

arxiv:1906.12147 v1 · 2019-06-28 · 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{57GEDZ3MHCNJW7AQKLOZKUCXZD}

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	2026-05-17T23:41:59.146237Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

efcc41e76c389a9b7c1052dd955057c8f6d9c46dfdb91385c003109284e024f2

Aliases

arxiv: 1906.12147 · arxiv_version: 1906.12147v1 · doi: 10.48550/arxiv.1906.12147 · pith_short_12: 57GEDZ3MHCNJ · pith_short_16: 57GEDZ3MHCNJW7AQ · pith_short_8: 57GEDZ3M

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/57GEDZ3MHCNJW7AQKLOZKUCXZD \
  | 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: efcc41e76c389a9b7c1052dd955057c8f6d9c46dfdb91385c003109284e024f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4d99f202e09e21606626b6aee7809eaa3ff075a6d9c2857a5c3619bf53bd61c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2019-06-28T11:46:32Z",
    "title_canon_sha256": "f82ff8094c8d79757a1e9d607c1f7544cb0ba3cf652540826bac3ff084a13577"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.12147",
    "kind": "arxiv",
    "version": 1
  }
}