Pith Number

pith:2EF5NOCK

pith:2011:2EF5NOCKRV42VPCZUC6HBENPKY

not attested not anchored not stored refs pending

Hybrid ququart-encoded quantum cryptography protected by Kochen-Specker contextuality

Adan Cabello, Eleonora Nagali, Fabio Sciarrino, Vincenzo D'Ambrosio

arxiv:1109.2508 v1 · 2011-09-12 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2EF5NOCKRV42VPCZUC6HBENPKY}

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	2026-05-18T04:13:37.502966Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d10bd6b84a8d79aabc59a0bc7091af5613928e12cbfdb422cbddefb97d2a0205

Aliases

arxiv: 1109.2508 · arxiv_version: 1109.2508v1 · doi: 10.48550/arxiv.1109.2508 · pith_short_12: 2EF5NOCKRV42 · pith_short_16: 2EF5NOCKRV42VPCZ · pith_short_8: 2EF5NOCK

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/2EF5NOCKRV42VPCZUC6HBENPKY \
  | 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: d10bd6b84a8d79aabc59a0bc7091af5613928e12cbfdb422cbddefb97d2a0205

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ee9807d6de1fe841e29a158e09efdde0cbdfd9004d0739d37b9fb7fedd4e3ff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-09-12T15:45:11Z",
    "title_canon_sha256": "d512c9e9ca76ba203908885b168ae9920e58d79e36ccde7694bd06b579e737ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.2508",
    "kind": "arxiv",
    "version": 1
  }
}