Pith Number

pith:5NJWK2VC

pith:2013:5NJWK2VCL6ARRYCR6JRDQZHTEP

not attested not anchored not stored refs pending

Fingerprinting Codes and the Price of Approximate Differential Privacy

Jonathan Ullman, Mark Bun, Salil Vadhan

arxiv:1311.3158 v3 · 2013-11-13 · 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{5NJWK2VCL6ARRYCR6JRDQZHTEP}

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	2026-05-18T00:02:28.580993Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb53656aa25f8118e051f2623864f323f4e7e66c8984e87e1ba1478aa7c28d1b

Aliases

arxiv: 1311.3158 · arxiv_version: 1311.3158v3 · doi: 10.48550/arxiv.1311.3158 · pith_short_12: 5NJWK2VCL6AR · pith_short_16: 5NJWK2VCL6ARRYCR · pith_short_8: 5NJWK2VC

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/5NJWK2VCL6ARRYCR6JRDQZHTEP \
  | 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: eb53656aa25f8118e051f2623864f323f4e7e66c8984e87e1ba1478aa7c28d1b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17e518f108c9c0c70d48f25b0aeefe18f87093c1dbd1896e8404590b3362bd96",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2013-11-13T15:09:48Z",
    "title_canon_sha256": "70714cb7ddf026dc4118b1e21cbd6343e1d5dc2cb8e87cae5079f53ea0095f2a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.3158",
    "kind": "arxiv",
    "version": 3
  }
}