Pith Number

pith:B25TIM4E

pith:2009:B25TIM4EPYQCOWJZWP5WOBPJVN

not attested not anchored not stored refs pending

Quantum state preparation and macroscopic entanglement in gravitational-wave detectors

Chao Li, Helge Mueller-Ebhardt, Henning Rehbein, Karsten Danzmann, Kentaro Somiya, Roman Schnabel, Yanbei Chen, Yasushi Mino

arxiv:0903.0079 v1 · 2009-02-28 · 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{B25TIM4EPYQCOWJZWP5WOBPJVN}

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	2026-07-04T15:57:11.370024Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ebb3433847e20275939b3fb6705e9ab7518cd2a5a50c4f8c61e95751b4985c1

Aliases

arxiv: 0903.0079 · arxiv_version: 0903.0079v1 · doi: 10.48550/arxiv.0903.0079 · pith_short_12: B25TIM4EPYQC · pith_short_16: B25TIM4EPYQCOWJZ · pith_short_8: B25TIM4E

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/B25TIM4EPYQCOWJZWP5WOBPJVN \
  | 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: 0ebb3433847e20275939b3fb6705e9ab7518cd2a5a50c4f8c61e95751b4985c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1e4fc55463e72255331c493320423c2158f72e1bb7592135af0a17d47674150",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-02-28T14:45:14Z",
    "title_canon_sha256": "9a7cd9f34d88291e374cd9366d88a2774f0e8d4bcf22c86a7a8243e2504b4d7e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.0079",
    "kind": "arxiv",
    "version": 1
  }
}