Pith Number

pith:YB7BO73P

pith:2011:YB7BO73P6K7R243ZZJT5FYJR25

not attested not anchored not stored refs pending

A gravitational wave observatory operating beyond the quantum shot-noise limit: Squeezed light in application

The LIGO Scientific Collaboration (LSC)

arxiv:1109.2295 v1 · 2011-09-11 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YB7BO73P6K7R243ZZJT5FYJR25}

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.

Cited by

3 papers in Pith

Precision limits for time-dependent quantum metrology under Markovian noise

GWTC-2: Compact Binary Coalescences Observed by LIGO and Virgo During the First Half of the Third Observing Run

Searching for axions with quantum interferometry

Receipt and verification

First computed	2026-05-18T03:47:53.824492Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c07e177f6ff2bf1d7379ca67d2e131d75c369e1b0e3388b5a7c6f8338532a458

Aliases

arxiv: 1109.2295 · arxiv_version: 1109.2295v1 · doi: 10.48550/arxiv.1109.2295 · pith_short_12: YB7BO73P6K7R · pith_short_16: YB7BO73P6K7R243Z · pith_short_8: YB7BO73P

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/YB7BO73P6K7R243ZZJT5FYJR25 \
  | 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: c07e177f6ff2bf1d7379ca67d2e131d75c369e1b0e3388b5a7c6f8338532a458

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86501dbe59fcdb352757df162b1e346277705fcf521bbe76c2fbbe47d3e3ea00",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-09-11T08:49:53Z",
    "title_canon_sha256": "a9f62e6fcf37445ca94634da42ac7c9fef2a0d51fe9b3f2d199eba3d0542f720"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.2295",
    "kind": "arxiv",
    "version": 1
  }
}