Pith Number

pith:BVDI6EMK

pith:2018:BVDI6EMKFT5QF6INXRWVZ3KLHT

not attested not anchored not stored refs pending

Asymmetry Helps: Improved Private Information Retrieval Protocols for Distributed Storage

Alexandre Graell i Amat, Eirik Rosnes, Hsuan-Yin Lin, Siddhartha Kumar

arxiv:1806.01342 v3 · 2018-06-04 · 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{BVDI6EMKFT5QF6INXRWVZ3KLHT}

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	2026-05-18T00:05:30.879600Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d468f118a2cfb02f90dbc6d5ced4b3cc8b22f3be634ec8d056938b37369a4c7

Aliases

arxiv: 1806.01342 · arxiv_version: 1806.01342v3 · doi: 10.48550/arxiv.1806.01342 · pith_short_12: BVDI6EMKFT5Q · pith_short_16: BVDI6EMKFT5QF6IN · pith_short_8: BVDI6EMK

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/BVDI6EMKFT5QF6INXRWVZ3KLHT \
  | 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: 0d468f118a2cfb02f90dbc6d5ced4b3cc8b22f3be634ec8d056938b37369a4c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "215b96b6d471b8e874bac9988d9b285fa66d5ec0321bc5a63e0291c0c9140a8d",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-06-04T19:31:39Z",
    "title_canon_sha256": "0c9b84c241a236d5c6531240056e1ab0f6d7c1a7f8fe4d6a6a294742d9dbfe80"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.01342",
    "kind": "arxiv",
    "version": 3
  }
}