Pith Number

pith:KPMW5UV3

pith:2016:KPMW5UV3XXS2BRQFPXDPHZB5F3

not attested not anchored not stored refs pending

Lower-Cost epsilon-Private Information Retrieval

George Danezis, Ian Goldberg, Raphael R. Toledo

arxiv:1604.00223 v1 · 2016-04-01 · cs.IR · 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{KPMW5UV3XXS2BRQFPXDPHZB5F3}

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	2026-05-18T01:17:54.264045Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53d96ed2bbbde5a0c6057dc6f3e43d2edeb3f6de8410cb40325e3570ac802277

Aliases

arxiv: 1604.00223 · arxiv_version: 1604.00223v1 · doi: 10.48550/arxiv.1604.00223 · pith_short_12: KPMW5UV3XXS2 · pith_short_16: KPMW5UV3XXS2BRQF · pith_short_8: KPMW5UV3

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/KPMW5UV3XXS2BRQFPXDPHZB5F3 \
  | 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: 53d96ed2bbbde5a0c6057dc6f3e43d2edeb3f6de8410cb40325e3570ac802277

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "acc34995cd9fb3dfa3ea6e90babeeefbae86c151b815e075dce126e80e71486c",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2016-04-01T12:55:35Z",
    "title_canon_sha256": "b74c7b10e8729e42ba6cb414cfd4a356f5771c42ffb4aa0412fdc5904b2abb78"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.00223",
    "kind": "arxiv",
    "version": 1
  }
}