pith. sign in
Pith Number

pith:UQ7ZWMY2

pith:2013:UQ7ZWMY2GJB6QKA2HRPOI7H24S
not attested not anchored not stored refs pending

Simple, pulsed, polarisation entangled photon pair source

A. Martin, E. Zambrini Cruzeiro, N. Bruno, R. T. Thew

arxiv:1311.6654 v1 · 2013-11-26 · quant-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{UQ7ZWMY2GJB6QKA2HRPOI7H24S}

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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 2026-05-18T03:06:12.156895Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

a43f9b331a3243e8281a3c5ee47cfae4b93e665c46f25c7861f2a2782ac597b0

Aliases

arxiv: 1311.6654 · arxiv_version: 1311.6654v1 · doi: 10.48550/arxiv.1311.6654 · pith_short_12: UQ7ZWMY2GJB6 · pith_short_16: UQ7ZWMY2GJB6QKA2 · pith_short_8: UQ7ZWMY2
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/UQ7ZWMY2GJB6QKA2HRPOI7H24S \
  | 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: a43f9b331a3243e8281a3c5ee47cfae4b93e665c46f25c7861f2a2782ac597b0
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "9c08d9cf7c38ac9fe45295480680b73d5010bbbeaee4a6a359b94cbe75df4574",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-11-26T13:21:51Z",
    "title_canon_sha256": "93c23e1da21f5d89b7fe2ebf43d0873a3e4a85a367c1f337805506310c4dbfd6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.6654",
    "kind": "arxiv",
    "version": 1
  }
}