Pith Number

pith:MNIDUZYP

pith:2009:MNIDUZYP5DJU76HFFQ344JK7HL

not attested not anchored not stored refs pending

Back-action amplification and quantum limits in optomechanical measurements

A. Heidmann (LKB - Jussieu), A. Tavernarakis (LKB - Jussieu), P. -F. Cohadon (LKB - Jussieu), P. Verlot (LKB - Jussieu), T. Briant (LKB - Jussieu)

arxiv:0912.4085 v1 · 2009-12-21 · quant-ph · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MNIDUZYP5DJU76HFFQ344JK7HL}

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	2026-05-18T03:58:51.852670Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63503a670fe8d34ff8e52c37ce255f3acc00a2d11474036be346c2b84ebf2ad1

Aliases

arxiv: 0912.4085 · arxiv_version: 0912.4085v1 · doi: 10.48550/arxiv.0912.4085 · pith_short_12: MNIDUZYP5DJU · pith_short_16: MNIDUZYP5DJU76HF · pith_short_8: MNIDUZYP

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/MNIDUZYP5DJU76HFFQ344JK7HL \
  | 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: 63503a670fe8d34ff8e52c37ce255f3acc00a2d11474036be346c2b84ebf2ad1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3565881726272b410e5b9301ef665d4ad83a7cb7014433a6d4aca4a076320a66",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-12-21T06:33:33Z",
    "title_canon_sha256": "90403dc4ea2359aca00f7f2c7de1380f7bb865886ad51682a9f4ced38a187c20"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.4085",
    "kind": "arxiv",
    "version": 1
  }
}