Pith Number

pith:HF7P7NRH

pith:2017:HF7P7NRHNMXVMYS5O24UPBTINP

not attested not anchored not stored refs pending

Quantum-secured data transmission in urban fibre-optic communication lines

A.I. Kotov, A.K. Fedorov, A.V. Brodskiy, A.V. Duplinskiy, E.O. Kiktenko, M.N. Anufriev, N.O. Pozhar, R.P. Ermakov, R.R. Yunusov, V.L. Kurochkin, Y.V. Kurochkin

arxiv:1712.09831 v2 · 2017-12-28 · quant-ph · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HF7P7NRHNMXVMYS5O24UPBTINP}

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	2026-05-18T00:14:21.988683Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

397effb6276b2f56625d76b94786686bdb4a44590ec2ce5c5a72c74844556707

Aliases

arxiv: 1712.09831 · arxiv_version: 1712.09831v2 · doi: 10.48550/arxiv.1712.09831 · pith_short_12: HF7P7NRHNMXV · pith_short_16: HF7P7NRHNMXVMYS5 · pith_short_8: HF7P7NRH

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/HF7P7NRHNMXVMYS5O24UPBTINP \
  | 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: 397effb6276b2f56625d76b94786686bdb4a44590ec2ce5c5a72c74844556707

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45a29358b4366325fc780ff45b1385de9c6f5589670f8ba53c1276d4dac20b05",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-12-28T11:34:32Z",
    "title_canon_sha256": "94ad3f5a808f9afb7357957464ebbb145dc17dc7ecf6b454f5aa221aef1cf0d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.09831",
    "kind": "arxiv",
    "version": 2
  }
}