Pith Number

pith:LKUWCM5I

pith:2013:LKUWCM5I3QPTNBZK7L5WYT2OMD

not attested not anchored not stored refs pending

Correlated Photon Pair Production by Spontaneous Parametric Down Conversion in Quasi-Phase-Matched AlGaAs superlattice Waveguides using a Continuous Wave Pump

Barry M. Holmes, David C. Hutchings, Eric Zhu, Ksenia Dolgaleva, Li Qian, Peyman Sarrafi, Stewart Aitchison

arxiv:1304.0427 v1 · 2013-04-01 · 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{LKUWCM5I3QPTNBZK7L5WYT2OMD}

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	2026-05-18T03:29:16.934113Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5aa96133a8dc1f36872afafb6c4f4e60fe10e4c2436592b73afd07dc8f7f1db5

Aliases

arxiv: 1304.0427 · arxiv_version: 1304.0427v1 · doi: 10.48550/arxiv.1304.0427 · pith_short_12: LKUWCM5I3QPT · pith_short_16: LKUWCM5I3QPTNBZK · pith_short_8: LKUWCM5I

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/LKUWCM5I3QPTNBZK7L5WYT2OMD \
  | 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: 5aa96133a8dc1f36872afafb6c4f4e60fe10e4c2436592b73afd07dc8f7f1db5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31d8f80c21ac76ed7a53407cf906589271790704f21b75f8a026714e0d7052cf",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-04-01T19:20:56Z",
    "title_canon_sha256": "7bcc017cd2f1efaffcdcf9809fcd629c56811ff7df87f252d5d32236ae1728c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.0427",
    "kind": "arxiv",
    "version": 1
  }
}