Pith Number

pith:LZQTO3ZU

pith:2013:LZQTO3ZULQMORZNA2BXVAVQ3AH

not attested not anchored not stored refs pending

Blind Turing-Machines: Arbitrary Private Computations from Group Homomorphic Encryption

Stefan Rass

arxiv:1312.3146 v1 · 2013-12-11 · cs.CR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LZQTO3ZULQMORZNA2BXVAVQ3AH}

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	2026-05-18T03:05:00.373846Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e61376f345c18e8e5a0d06f50561b01c22881edfd9c32a63d8107e9c5c4734d

Aliases

arxiv: 1312.3146 · arxiv_version: 1312.3146v1 · doi: 10.48550/arxiv.1312.3146 · pith_short_12: LZQTO3ZULQMO · pith_short_16: LZQTO3ZULQMORZNA · pith_short_8: LZQTO3ZU

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/LZQTO3ZULQMORZNA2BXVAVQ3AH \
  | 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: 5e61376f345c18e8e5a0d06f50561b01c22881edfd9c32a63d8107e9c5c4734d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d32d5c40daa749d2a38df9c70351aa6ae20d3aafa8bd29a00891ca5bc65163ad",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2013-12-11T12:52:18Z",
    "title_canon_sha256": "d7e6dd6ec97768041ee3085878547652cc854ff6ef1185bdcd2483ceae70e5fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.3146",
    "kind": "arxiv",
    "version": 1
  }
}