Pith Number

pith:FKPG4M5R

pith:2012:FKPG4M5RXRAPQ6XYWUSUDU6YWS

not attested not anchored not stored refs pending

Quantum limit for measurement of a weak classical force coupled to a noisy quantum-mechanical oscillator

B. M. Escher, C. L. Latune, L. Davidovich, R. L. de Matos Filho

arxiv:1210.3316 v1 · 2012-10-11 · 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{FKPG4M5RXRAPQ6XYWUSUDU6YWS}

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	2026-05-18T01:53:56.621575Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a9e6e33b1bc40f87af8b52541d3d8b49cff1e65e1308c76b1c98ac156771abc

Aliases

arxiv: 1210.3316 · arxiv_version: 1210.3316v1 · doi: 10.48550/arxiv.1210.3316 · pith_short_12: FKPG4M5RXRAP · pith_short_16: FKPG4M5RXRAPQ6XY · pith_short_8: FKPG4M5R

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/FKPG4M5RXRAPQ6XYWUSUDU6YWS \
  | 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: 2a9e6e33b1bc40f87af8b52541d3d8b49cff1e65e1308c76b1c98ac156771abc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f12fcd30ac5056368e91fdeca1fe1d4bc7381de8d70af2b6cd25329f06672a7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-10-11T18:39:37Z",
    "title_canon_sha256": "9e6545c18a40488d8aa4ff0dc6d3aec137cb378e5b6a49d3b5494a3b01e4a870"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.3316",
    "kind": "arxiv",
    "version": 1
  }
}