Pith Number

pith:E4G665EL

pith:2021:E4G665EL7FHOFDVRHFG2VTJAKX

not attested not anchored not stored refs pending

Boosting quantum key distribution via the end-to-end physical control

A. D. Kodukhov, D. A. Kronberg, G. B. Lesovik, M. Pflitsch, N. S. Kirsanov, V. A. Pastushenko, V. M. Vinokur

arxiv:2109.05575 v1 · 2021-09-12 · 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{E4G665EL7FHOFDVRHFG2VTJAKX}

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	2026-07-05T03:13:40.359789Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

270def748bf94ee28eb1394daacd2055e4be9c78062fe7b4d5cd1ec67904bf17

Aliases

arxiv: 2109.05575 · arxiv_version: 2109.05575v1 · doi: 10.48550/arxiv.2109.05575 · pith_short_12: E4G665EL7FHO · pith_short_16: E4G665EL7FHOFDVR · pith_short_8: E4G665EL

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/E4G665EL7FHOFDVRHFG2VTJAKX \
  | 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: 270def748bf94ee28eb1394daacd2055e4be9c78062fe7b4d5cd1ec67904bf17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef52194914f916151a903a7399c73319876587d49707b07bb5d18885b1662263",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-09-12T17:47:20Z",
    "title_canon_sha256": "132129698d6cead83fdee17be669aa2302fc756603c746f95fc0dbe0c2a757cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.05575",
    "kind": "arxiv",
    "version": 1
  }
}