Pith Number

pith:3CXNQYEL

pith:2017:3CXNQYELR53HCISUSWPB7RBAGL

not attested not anchored not stored refs pending

Heavy Hitters and the Structure of Local Privacy

Jelani Nelson, Mark Bun, Uri Stemmer

arxiv:1711.04740 v1 · 2017-11-13 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3CXNQYELR53HCISUSWPB7RBAGL}

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	2026-05-18T00:30:35.792730Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8aed8608b8f76712254959e1fc42032fa77dd1762a72043e34aead85aa7febf

Aliases

arxiv: 1711.04740 · arxiv_version: 1711.04740v1 · doi: 10.48550/arxiv.1711.04740 · pith_short_12: 3CXNQYELR53H · pith_short_16: 3CXNQYELR53HCISU · pith_short_8: 3CXNQYEL

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/3CXNQYELR53HCISUSWPB7RBAGL \
  | 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: d8aed8608b8f76712254959e1fc42032fa77dd1762a72043e34aead85aa7febf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38baf29be2ba9a492f55777a48191543b5d4b5d47ba7d296512608d7c913bc17",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2017-11-13T18:12:51Z",
    "title_canon_sha256": "99a5523991723ccb1bd0a3cdfde073e0f1638d0045070ff1ba869e42a3256597"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.04740",
    "kind": "arxiv",
    "version": 1
  }
}