Pith Number

pith:QTM5ILF5

pith:2007:QTM5ILF5MDPZ46EP6DYK3ZDT67

not attested not anchored not stored refs pending

Coherent control of vacuum squeezing in the Gravitational-Wave Detection Band

Alexander Franzen, Boris Hage, Henning Vahlbruch, Karsten Danzmann, Roman Schnabel, Simon Chelkowski

arxiv:0707.0164 v1 · 2007-07-02 · 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{QTM5ILF5MDPZ46EP6DYK3ZDT67}

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	2026-07-04T15:19:01.417207Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84d9d42cbd60df9e788ff0f0ade473f7d4c6f930cc15edf3e1568ef4df39474d

Aliases

arxiv: 0707.0164 · arxiv_version: 0707.0164v1 · doi: 10.48550/arxiv.0707.0164 · pith_short_12: QTM5ILF5MDPZ · pith_short_16: QTM5ILF5MDPZ46EP · pith_short_8: QTM5ILF5

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/QTM5ILF5MDPZ46EP6DYK3ZDT67 \
  | 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: 84d9d42cbd60df9e788ff0f0ade473f7d4c6f930cc15edf3e1568ef4df39474d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "533ce5e253c8e79d02cde8e64584ea4a14b639abf9baefb491a19b9ccbd4b9a0",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2007-07-02T08:21:10Z",
    "title_canon_sha256": "d25bc98a5a24a7330710f2c0fc83af964b70d807b97ff08ebff1f9d2ca767261"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0707.0164",
    "kind": "arxiv",
    "version": 1
  }
}