Pith Number

pith:VZG4ARKG

pith:2020:VZG4ARKG276AJS4XG6CKAQFLCD

not attested not anchored not stored refs pending

Quantum cryptography with highly entangled photons from semiconductor quantum dots

Armando Rastelli, Barbara Lehner, Christian Schimpf, Daniel Huber, Marcus Reindl, Michal Vyvlecka, Philip Walther, Saimon F. Covre da Silva, Santanu Manna

arxiv:2007.12726 v1 · 2020-07-24 · quant-ph · cond-mat.mes-hall

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VZG4ARKG276AJS4XG6CKAQFLCD}

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	2026-07-05T03:32:50.443581Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae4dc04546d7fc04cb973784a040ab10c90a749889921ccde1437b0f62b2fbdb

Aliases

arxiv: 2007.12726 · arxiv_version: 2007.12726v1 · doi: 10.48550/arxiv.2007.12726 · pith_short_12: VZG4ARKG276A · pith_short_16: VZG4ARKG276AJS4X · pith_short_8: VZG4ARKG

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/VZG4ARKG276AJS4XG6CKAQFLCD \
  | 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: ae4dc04546d7fc04cb973784a040ab10c90a749889921ccde1437b0f62b2fbdb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31cc83f2b62a12ae447edadce767ca934235a9b010ed86b006154c766fe62525",
    "cross_cats_sorted": [
      "cond-mat.mes-hall"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-07-24T18:21:11Z",
    "title_canon_sha256": "63c4ffb8be25479fff0ad39258c36aa2e5d815d12debd5b195d42c3c356b299a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.12726",
    "kind": "arxiv",
    "version": 1
  }
}