Pith Number

pith:VQ7FCCCF

pith:2011:VQ7FCCCFUHPRAXR4OSBKAAXW5X

not attested not anchored not stored refs pending

Experimental realization of Counterfactual Quantum Cryptography

Andrea Cavanna, Giorgio Brida, Ivo Pietro Degiovanni, Marco Genovese, Paolo Traina

arxiv:1107.5467 v1 · 2011-07-27 · 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{VQ7FCCCFUHPRAXR4OSBKAAXW5X}

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	2026-05-18T04:06:07.727117Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac3e510845a1df105e3c7482a002f6edd486909f43b68df45b8cec7547835b8d

Aliases

arxiv: 1107.5467 · arxiv_version: 1107.5467v1 · doi: 10.48550/arxiv.1107.5467 · pith_short_12: VQ7FCCCFUHPR · pith_short_16: VQ7FCCCFUHPRAXR4 · pith_short_8: VQ7FCCCF

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/VQ7FCCCFUHPRAXR4OSBKAAXW5X \
  | 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: ac3e510845a1df105e3c7482a002f6edd486909f43b68df45b8cec7547835b8d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a514cfe9c737ffcb1d7f42b724eee282ba77cd4b080bcdfbd21549894115f7d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-07-27T13:24:36Z",
    "title_canon_sha256": "8f41dd9807f4602e76f296d07cb50ceaa0e105650aa15a68da575770b371dc9e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.5467",
    "kind": "arxiv",
    "version": 1
  }
}