Pith Number

pith:DM7BPZQ7

pith:2018:DM7BPZQ7F3Y654LECEY4K2QDQA

not attested not anchored not stored refs pending

Private Information Retrieval from Coded Storage Systems with Colluding, Byzantine, and Unresponsive Servers

Camilla Hollanti, David Karpuk, Oliver W. Gnilke, Ragnar Freij-Hollanti, Razane Tajeddine

arxiv:1806.08006 v3 · 2018-06-20 · 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{DM7BPZQ7F3Y654LECEY4K2QDQA}

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	2026-05-18T00:06:28.525928Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b3e17e61f2ef1eef1641131c56a03800f4bc5d7e6db168dfa70fa9516d0c392

Aliases

arxiv: 1806.08006 · arxiv_version: 1806.08006v3 · doi: 10.48550/arxiv.1806.08006 · pith_short_12: DM7BPZQ7F3Y6 · pith_short_16: DM7BPZQ7F3Y654LE · pith_short_8: DM7BPZQ7

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/DM7BPZQ7F3Y654LECEY4K2QDQA \
  | 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: 1b3e17e61f2ef1eef1641131c56a03800f4bc5d7e6db168dfa70fa9516d0c392

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f76704d358d4f8c3bc34014c404419c5ee95fab660c4491e4ad0c796cbc70180",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-06-20T22:00:44Z",
    "title_canon_sha256": "5319b67ae874b6d0ea8991feb5ad0af0698d4e262ffa206a0c6a8a788ac49a48"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.08006",
    "kind": "arxiv",
    "version": 3
  }
}