Pith Number

pith:PAW2YGKK

pith:2019:PAW2YGKK7HABU4C4DGP63MI4PD

not attested not anchored not stored refs pending

Private Information Retrieval with Private Coded Side Information: The Multi-Server Case

Alex Sprintson, Anoosheh Heidarzadeh, Esmaeil Karimi, Fatemeh Kazemi

arxiv:1906.11278 v1 · 2019-06-26 · 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{PAW2YGKK7HABU4C4DGP63MI4PD}

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	2026-05-17T23:42:07.604810Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

782dac194af9c01a705c199fedb11c78c8667b3d49415b03265732c3f1cb0f30

Aliases

arxiv: 1906.11278 · arxiv_version: 1906.11278v1 · doi: 10.48550/arxiv.1906.11278 · pith_short_12: PAW2YGKK7HAB · pith_short_16: PAW2YGKK7HABU4C4 · pith_short_8: PAW2YGKK

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/PAW2YGKK7HABU4C4DGP63MI4PD \
  | 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: 782dac194af9c01a705c199fedb11c78c8667b3d49415b03265732c3f1cb0f30

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "901fb3209a5c8999aa8c553803598fe24c4c5204b8e27019d8153ae8eab5caeb",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-06-26T18:12:01Z",
    "title_canon_sha256": "740a6c93d1cd7795bde427ed82707b0df3772aa70899076e3af13c5a3c0c5077"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.11278",
    "kind": "arxiv",
    "version": 1
  }
}