Pith Number

pith:T5I5MIXQ

pith:2016:T5I5MIXQWWYICHUPK44T2RX7WE

not attested not anchored not stored refs pending

A Quantum Enigma Machine: Experimentally Demonstrating Quantum Data Locking

Cosmo Lupo, Daniel J. Lum, John C. Howell, M. S. Allman, Sae Woo Nam, Seth Lloyd, Thomas Gerrits, Varun B. Verma

arxiv:1605.06556 v4 · 2016-05-20 · quant-ph · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T5I5MIXQWWYICHUPK44T2RX7WE}

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	2026-05-18T01:08:41.158470Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f51d622f0b5b0811e8f57393d46ffb1320b438b075a4810b3e7c6d4d063d184

Aliases

arxiv: 1605.06556 · arxiv_version: 1605.06556v4 · doi: 10.48550/arxiv.1605.06556 · pith_short_12: T5I5MIXQWWYI · pith_short_16: T5I5MIXQWWYICHUP · pith_short_8: T5I5MIXQ

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/T5I5MIXQWWYICHUPK44T2RX7WE \
  | 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: 9f51d622f0b5b0811e8f57393d46ffb1320b438b075a4810b3e7c6d4d063d184

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "110df56d017cc885912dd4431068efcd3c9aa715222e3edf9b4bef3e76872c3f",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-05-20T23:25:17Z",
    "title_canon_sha256": "0c5ca7fcc7e610be364de2771ca95f25f22f151fc4bd5d9e8d382d2cc87dd7b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.06556",
    "kind": "arxiv",
    "version": 4
  }
}