Pith Number

pith:E3PQYU3Q

pith:2015:E3PQYU3QEBI3P3FBBUCXQ7GFOD

not attested not anchored not stored refs pending

A folded-sandwich polarization-entangled two-color photon pair source with large tuning capability for applications in hybrid quantum architectures

Andreas Ahlrichs, Chris M\"uller, Oliver Benson, Otto Dietz, Thomas Krei{\ss}l, Tim Kroh, Ulrike Herzog

arxiv:1507.03370 v1 · 2015-07-13 · quant-ph · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E3PQYU3QEBI3P3FBBUCXQ7GFOD}

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	2026-05-18T01:18:44.228282Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26df0c53702051b7eca10d05787cc570c4595fffda9b74a16bbfa948b967254f

Aliases

arxiv: 1507.03370 · arxiv_version: 1507.03370v1 · doi: 10.48550/arxiv.1507.03370 · pith_short_12: E3PQYU3QEBI3 · pith_short_16: E3PQYU3QEBI3P3FB · pith_short_8: E3PQYU3Q

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/E3PQYU3QEBI3P3FBBUCXQ7GFOD \
  | 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: 26df0c53702051b7eca10d05787cc570c4595fffda9b74a16bbfa948b967254f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec37794294864c4f51db273d12f156cf11f59dd5b3b22daf7d7b4e81c2d6c3d7",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-07-13T09:44:29Z",
    "title_canon_sha256": "a3b31dab48f72e07898c37db1f2bf329b909b7bf68a1915dd05e90f57b7904f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.03370",
    "kind": "arxiv",
    "version": 1
  }
}