Pith Number

pith:ERXLY7KC

pith:2022:ERXLY7KCPUWPGGANDFX3QE2HJT

not attested not anchored not stored refs pending

A Quantum Optical Microphone in the Audio Band

Charles Babin, Christof M. Gebhardt, Daniil M. Lukin, Florian Kaiser, Jelena Vu\v{c}kovi\'c, Joel Schmidt, J\"org Wrachtrup, Mar\'ia T. P\'erez Zaballos, Rainer St\"ohr, Raphael Nold, Roman Kolesov, R\"udiger Boppert, Stefanie Barz, Tobias Linkewitz, Vadim Vorobyov

arxiv:2204.12429 v2 · 2022-04-26 · 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{ERXLY7KCPUWPGGANDFX3QE2HJT}

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	2026-07-05T04:34:16.871268Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

246ebc7d427d2cf3180d196fb813474cf1b678a98c8988a18e3fd9361b8cb7bd

Aliases

arxiv: 2204.12429 · arxiv_version: 2204.12429v2 · doi: 10.48550/arxiv.2204.12429 · pith_short_12: ERXLY7KCPUWP · pith_short_16: ERXLY7KCPUWPGGAN · pith_short_8: ERXLY7KC

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/ERXLY7KCPUWPGGANDFX3QE2HJT \
  | 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: 246ebc7d427d2cf3180d196fb813474cf1b678a98c8988a18e3fd9361b8cb7bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb15bffc7328542cebcbc4cf8072792027cca9aee536078d013974fa85a93cf1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2022-04-26T16:43:22Z",
    "title_canon_sha256": "e6e8031c923d4f3d4681d22e4e07a3c4ab21ec1c6f4dd82edc3128c28f2c3a0e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.12429",
    "kind": "arxiv",
    "version": 2
  }
}