Pith Number

pith:LLK7VC2F

pith:2015:LLK7VC2F6CIQD3CAGURBYSWDPT

not attested not anchored not stored refs pending

Quantum-enhanced metrology with the single-mode coherent states of an optical cavity inside a quantum feedback loop

Adam Stokes, Almut Beige, Lewis A. Clark

arxiv:1512.01497 v4 · 2015-12-04 · 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{LLK7VC2F6CIQD3CAGURBYSWDPT}

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	2026-05-18T01:07:17.227849Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ad5fa8b45f09101ec4035221c4ac37ced35e43fb925b5da80c523ef7c3495c5

Aliases

arxiv: 1512.01497 · arxiv_version: 1512.01497v4 · doi: 10.48550/arxiv.1512.01497 · pith_short_12: LLK7VC2F6CIQ · pith_short_16: LLK7VC2F6CIQD3CA · pith_short_8: LLK7VC2F

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/LLK7VC2F6CIQD3CAGURBYSWDPT \
  | 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: 5ad5fa8b45f09101ec4035221c4ac37ced35e43fb925b5da80c523ef7c3495c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ddd68a6f11cfe75ff75a1ed6f58e6ec048c08534d834a5c62fe28ce7e37688d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-12-04T18:05:45Z",
    "title_canon_sha256": "05db9c575171933032b052ef2ec96e768045ccdf8c6538068184fe82a90a11ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.01497",
    "kind": "arxiv",
    "version": 4
  }
}