Pith Number

pith:FQ774WPZ

pith:2016:FQ774WPZIEXFNSJVSTEH4XN4AX

not attested not anchored not stored refs pending

Secret key capacity of the thermal-loss channel: Improving the lower bound

Carlo Ottaviani, Gaetana Spedalieri, Riccardo Laurenza, Samuel L. Braunstein, Stefano Pirandola, Thomas P. W. Cope

arxiv:1609.02169 v1 · 2016-09-07 · 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{FQ774WPZIEXFNSJVSTEH4XN4AX}

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	2026-05-18T00:44:57.757672Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c3ffe59f9412e56c93594c87e5dbc05e373b1e80e3bb7328053dfbb1e76a340

Aliases

arxiv: 1609.02169 · arxiv_version: 1609.02169v1 · doi: 10.48550/arxiv.1609.02169 · pith_short_12: FQ774WPZIEXF · pith_short_16: FQ774WPZIEXFNSJV · pith_short_8: FQ774WPZ

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/FQ774WPZIEXFNSJVSTEH4XN4AX \
  | 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: 2c3ffe59f9412e56c93594c87e5dbc05e373b1e80e3bb7328053dfbb1e76a340

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6bdb8053d2bf0a2a86029034ca49f7a464ad1c2e505762f55dcd7e5b5799ccd5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-09-07T20:12:51Z",
    "title_canon_sha256": "d4e029a52e7479290ecfe1157eb16de725c3b0996ef4cb7c828ed9d07ca24502"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.02169",
    "kind": "arxiv",
    "version": 1
  }
}