Pith Number

pith:DFC2L2EP

pith:2018:DFC2L2EP7Q4EBHJMCZRPP7ZWL4

not attested not anchored not stored refs pending

Differential Privacy for Growing Databases

Kevin A. Lai, Rachel Cummings, Sara Krehbiel, Uthaipon Tantipongpipat

arxiv:1803.06416 v1 · 2018-03-16 · cs.DS · cs.DB

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DFC2L2EP7Q4EBHJMCZRPP7ZWL4}

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	2026-05-18T00:20:45.946701Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1945a5e88ffc38409d2c1662f7ff365f3381e480aa7d0b0cab476db862f9d62e

Aliases

arxiv: 1803.06416 · arxiv_version: 1803.06416v1 · doi: 10.48550/arxiv.1803.06416 · pith_short_12: DFC2L2EP7Q4E · pith_short_16: DFC2L2EP7Q4EBHJM · pith_short_8: DFC2L2EP

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/DFC2L2EP7Q4EBHJMCZRPP7ZWL4 \
  | 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: 1945a5e88ffc38409d2c1662f7ff365f3381e480aa7d0b0cab476db862f9d62e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b7bd77771f58ca517091a893e4b0b7b369f96065ec95c4d3da368016761f061b",
    "cross_cats_sorted": [
      "cs.DB"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-03-16T22:05:44Z",
    "title_canon_sha256": "e6a66fb31aabb4c600f289e9ec6b68f2353cdc777ad54ec4cc028dd50f222bd9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.06416",
    "kind": "arxiv",
    "version": 1
  }
}