Pith Number

pith:L7LGYGFG

pith:2018:L7LGYGFGEGQRHO4N3TIDPM56PV

not attested not anchored not stored refs pending

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

Alex Sprintson, Anoosheh Heidarzadeh, Fatemeh Kazemi

arxiv:1806.00661 v2 · 2018-06-02 · 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{L7LGYGFGEGQRHO4N3TIDPM56PV}

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	2026-05-18T00:13:17.035255Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5fd66c18a621a113bb8ddcd037b3be7d72cc1c0fbd76e9eab8c8a39df3ae8e11

Aliases

arxiv: 1806.00661 · arxiv_version: 1806.00661v2 · doi: 10.48550/arxiv.1806.00661 · pith_short_12: L7LGYGFGEGQR · pith_short_16: L7LGYGFGEGQRHO4N · pith_short_8: L7LGYGFG

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/L7LGYGFGEGQRHO4N3TIDPM56PV \
  | 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: 5fd66c18a621a113bb8ddcd037b3be7d72cc1c0fbd76e9eab8c8a39df3ae8e11

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72e9e56fda492cd6bcdc002381a0bee1b8ec7024e9e1f365ba07a2c7c9e9156b",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-06-02T16:23:06Z",
    "title_canon_sha256": "ea50d2236c527cc95d580a25cc3aa6f3295a9b3d71eccaa6723b8b94f4e2fc9d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.00661",
    "kind": "arxiv",
    "version": 2
  }
}