Pith Number

pith:IRB4EBZR

pith:2019:IRB4EBZRN5KFNI46ISCI7PDQKK

not attested not anchored not stored refs pending

Capacity of Single-Server Single-Message Private Information Retrieval with Private Coded Side Information

Alex Sprintson, Anoosheh Heidarzadeh, Fatemeh Kazemi

arxiv:1901.09248 v1 · 2019-01-26 · 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{IRB4EBZRN5KFNI46ISCI7PDQKK}

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.

Cited by

2 papers in Pith

Multi-Server Private Information Retrieval with Coded Side Information

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

Receipt and verification

First computed	2026-05-17T23:55:26.503869Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4443c207316f5456a39e44848fbc705295db76234bba3c3879774623af7bf5bd

Aliases

arxiv: 1901.09248 · arxiv_version: 1901.09248v1 · doi: 10.48550/arxiv.1901.09248 · pith_short_12: IRB4EBZRN5KF · pith_short_16: IRB4EBZRN5KFNI46 · pith_short_8: IRB4EBZR

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/IRB4EBZRN5KFNI46ISCI7PDQKK \
  | 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: 4443c207316f5456a39e44848fbc705295db76234bba3c3879774623af7bf5bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "547ce6ef780ca937e2c335c8abb32fa2962588762f688b3add4a0d909f83f939",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-01-26T17:20:21Z",
    "title_canon_sha256": "6f29590a91d4041bf6be9cda197ebc34bb08c803e0a22d207a87e2ec36ed38ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.09248",
    "kind": "arxiv",
    "version": 1
  }
}