Pith Number

pith:7KZIFZLN

pith:2018:7KZIFZLNXFV3F4E5TZHKJRUDC3

not attested not anchored not stored refs pending

Privacy Under Hard Distortion Constraints

Flavio P. Calmon, Jiachun Liao, Lalitha Sankar, Oliver Kosut

arxiv:1806.00063 v1 · 2018-05-31 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7KZIFZLNXFV3F4E5TZHKJRUDC3}

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	2026-05-18T00:14:28.045250Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fab282e56db96bb2f09d9e4ea4c68316dd5d12221dec9a74af31272144a45478

Aliases

arxiv: 1806.00063 · arxiv_version: 1806.00063v1 · doi: 10.48550/arxiv.1806.00063 · pith_short_12: 7KZIFZLNXFV3 · pith_short_16: 7KZIFZLNXFV3F4E5 · pith_short_8: 7KZIFZLN

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/7KZIFZLNXFV3F4E5TZHKJRUDC3 \
  | 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: fab282e56db96bb2f09d9e4ea4c68316dd5d12221dec9a74af31272144a45478

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "473fc324837303c0380ff2b66fb6fbad84435c5567b76340360b810495050277",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-05-31T19:23:16Z",
    "title_canon_sha256": "469e03896c7e40aa648829b9e8b59b0dd959601c8a291ef82a2575c1a2e2c6f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.00063",
    "kind": "arxiv",
    "version": 1
  }
}