Pith Number

pith:5RLOTNI7

pith:2016:5RLOTNI7XCH5ZBBBYELNPKTG67

not attested not anchored not stored refs pending

The Capacity of Robust Private Information Retrieval with Colluding Databases

Hua Sun, Syed A. Jafar

arxiv:1605.00635 v1 · 2016-05-02 · cs.IT · cs.CR · cs.IR · 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{5RLOTNI7XCH5ZBBBYELNPKTG67}

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	2026-05-18T01:15:53.700787Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec56e9b51fb88fdc8421c116d7aa66f7d8936003313a9bc9b817bb8940124dd4

Aliases

arxiv: 1605.00635 · arxiv_version: 1605.00635v1 · doi: 10.48550/arxiv.1605.00635 · pith_short_12: 5RLOTNI7XCH5 · pith_short_16: 5RLOTNI7XCH5ZBBB · pith_short_8: 5RLOTNI7

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/5RLOTNI7XCH5ZBBBYELNPKTG67 \
  | 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: ec56e9b51fb88fdc8421c116d7aa66f7d8936003313a9bc9b817bb8940124dd4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6dfb6921e5db3f2d593496dfab534afe143bce4242d54ca290fc6216e598b196",
    "cross_cats_sorted": [
      "cs.CR",
      "cs.IR",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-05-02T19:41:15Z",
    "title_canon_sha256": "53b295fd95779a36d3503c6cbd66f0c3c488da1af78fe4bf137bdfbf786f52c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.00635",
    "kind": "arxiv",
    "version": 1
  }
}