Pith Number

pith:4MJKV44A

pith:2019:4MJKV44AVP6I6CPU2PDNOC6PTY

not attested not anchored not stored refs pending

Multi-Server Private Information Retrieval with Coded Side Information

Alex Sprintson, Anoosheh Heidarzadeh, Esmaeil Karimi, Fatemeh Kazemi

arxiv:1906.09259 v1 · 2019-06-21 · 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{4MJKV44AVP6I6CPU2PDNOC6PTY}

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	2026-05-17T23:42:43.999921Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e312aaf380abfc8f09f4d3c6d70bcf9e0eeb9d3cc7a37219308fff053aa8f750

Aliases

arxiv: 1906.09259 · arxiv_version: 1906.09259v1 · doi: 10.48550/arxiv.1906.09259 · pith_short_12: 4MJKV44AVP6I · pith_short_16: 4MJKV44AVP6I6CPU · pith_short_8: 4MJKV44A

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/4MJKV44AVP6I6CPU2PDNOC6PTY \
  | 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: e312aaf380abfc8f09f4d3c6d70bcf9e0eeb9d3cc7a37219308fff053aa8f750

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f2750d82ef8237942a9096131643d158ca6f9b6844d2bd37b1fcb9753cb998d",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-06-21T17:57:54Z",
    "title_canon_sha256": "b19f88a1225aeacd984e8d18c736d648ca731f391ff1c9bf109f2c13cbfdcb14"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.09259",
    "kind": "arxiv",
    "version": 1
  }
}