Pith Number

pith:SFGV7TO4

pith:2015:SFGV7TO4DH2X25GI7OZNEUTGZN

not attested not anchored not stored refs pending

Continuous-variable quantum cryptography with an untrusted relay: Detailed security analysis of the symmetric configuration

Carlo Ottaviani, Gaetana Spedalieri, Samuel L. Braunstein, Stefano Pirandola

arxiv:1506.05430 v2 · 2015-06-17 · 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{SFGV7TO4DH2X25GI7OZNEUTGZN}

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	2026-05-18T01:44:10.717156Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

914d5fcddc19f57d74c8fbb2d25266cb7346d4d1655c2998fc450fe263ac5b9b

Aliases

arxiv: 1506.05430 · arxiv_version: 1506.05430v2 · doi: 10.48550/arxiv.1506.05430 · pith_short_12: SFGV7TO4DH2X · pith_short_16: SFGV7TO4DH2X25GI · pith_short_8: SFGV7TO4

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/SFGV7TO4DH2X25GI7OZNEUTGZN \
  | 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: 914d5fcddc19f57d74c8fbb2d25266cb7346d4d1655c2998fc450fe263ac5b9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c1c010ac038d7d766b6fb3e0d33be583cb20caf14c63b119cf8d164de254bc1",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-06-17T19:10:34Z",
    "title_canon_sha256": "5683999002ee8e099dfa10c4f481d350ab8f0d39bddfde0811c71f943b5e4789"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.05430",
    "kind": "arxiv",
    "version": 2
  }
}