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Pith Number

pith:6YSYFJXR

pith:2014:6YSYFJXRV4HFO4RBI44I5J5QOD
not attested not anchored not stored refs pending

Low-noise macroscopic twin beams

Gerd Leuchs, Maria V. Chekhova, Radim Filip, Timur Sh. Iskhakov, Vladyslav C. Usenko

arxiv:1408.6407 v1 · 2014-08-27 · quant-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{6YSYFJXRV4HFO4RBI44I5J5QOD}

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 2026-05-18T01:15:47.222815Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

f62582a6f1af0e57722147388ea7b070c3837125dfea2aa5c666a014afb4324b

Aliases

arxiv: 1408.6407 · arxiv_version: 1408.6407v1 · doi: 10.48550/arxiv.1408.6407 · pith_short_12: 6YSYFJXRV4HF · pith_short_16: 6YSYFJXRV4HFO4RB · pith_short_8: 6YSYFJXR
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/6YSYFJXRV4HFO4RBI44I5J5QOD \
  | 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: f62582a6f1af0e57722147388ea7b070c3837125dfea2aa5c666a014afb4324b
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "81222515e7c0695a87408f6e4b9aa68e73d93fdcebfb413192957c15c20a9960",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-08-27T13:27:32Z",
    "title_canon_sha256": "58785553b3ab3ba75e9daf728aebe5370877b2f68067c8e17551d92828b6ce6c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.6407",
    "kind": "arxiv",
    "version": 1
  }
}