Pith Number

pith:KB7C6Y3A

pith:2017:KB7C6Y3AT2TQ45AD56CMRQ2AVB

not attested not anchored not stored refs pending

Manipulating photon coherence to enhance the security of practical quantum key distribution

Andrew J. Shields, George L. Roberts, James F. Dynes, Marco Lucamarini, Seb J. Savory, Zhiliang Yuan

arxiv:1709.04214 v1 · 2017-09-13 · 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{KB7C6Y3AT2TQ45AD56CMRQ2AVB}

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	2026-05-18T00:26:18.067967Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

507e2f63609ea70e7403ef84c8c340a86728ffc854448de4162803a18a1557ba

Aliases

arxiv: 1709.04214 · arxiv_version: 1709.04214v1 · doi: 10.48550/arxiv.1709.04214 · pith_short_12: KB7C6Y3AT2TQ · pith_short_16: KB7C6Y3AT2TQ45AD · pith_short_8: KB7C6Y3A

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/KB7C6Y3AT2TQ45AD56CMRQ2AVB \
  | 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: 507e2f63609ea70e7403ef84c8c340a86728ffc854448de4162803a18a1557ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9ea9720b73cbe24d1d234119762c5b512d435fa731a2b741619b8a9268834a9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-09-13T09:39:08Z",
    "title_canon_sha256": "c800ed6ac7ed49d0a74e112252dc6340fa4fc7cde1d2857c2a49b2b8e1694fac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.04214",
    "kind": "arxiv",
    "version": 1
  }
}