Pith Number

pith:HNIPSWQY

pith:2021:HNIPSWQYD2BS7TROAATJMMDL5J

not attested not anchored not stored refs pending

Experimental quantum key distribution certified by Bell's theorem

B. C. Nichol, C. J. Ballance, D. Main, D. M. Lucas, D. P. Nadlinger, E. Y-Z. Tan, G. Araneda, J-D. Bancal, K. Ivanov, N. Sangouard, P. Drmota, P. Sekatski, R. L. Urbanke, R. Renner, R. Srinivas

arxiv:2109.14600 v2 · 2021-09-29 · 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{HNIPSWQYD2BS7TROAATJMMDL5J}

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	2026-07-05T06:48:01.252131Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b50f95a181e832fce2e002696306bea5c196049568b689985dfd092ff72fa23

Aliases

arxiv: 2109.14600 · arxiv_version: 2109.14600v2 · doi: 10.48550/arxiv.2109.14600 · pith_short_12: HNIPSWQYD2BS · pith_short_16: HNIPSWQYD2BS7TRO · pith_short_8: HNIPSWQY

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/HNIPSWQYD2BS7TROAATJMMDL5J \
  | 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: 3b50f95a181e832fce2e002696306bea5c196049568b689985dfd092ff72fa23

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e651a0b663dab56bed45bca2c2200ec7aef3cb722545c2ae3688eb7d9c727ed0",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-09-29T17:52:48Z",
    "title_canon_sha256": "c943120b842aa54d63c9a21781964f76c34ba70103a1d25eaccb460a9cae7f24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.14600",
    "kind": "arxiv",
    "version": 2
  }
}