Pith Number

pith:BT5UIFO3

pith:2020:BT5UIFO37TXHKGI5TNGCLSY2UB

not attested not anchored not stored refs pending

Fisher-information-based estimation of optomechanical coupling strengths

Andr\'e Xuereb, Claudio Sanavio, J\'ozsef Zsolt Bern\'ad

arxiv:2002.03249 v4 · 2020-02-08 · 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{BT5UIFO37TXHKGI5TNGCLSY2UB}

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	2026-07-05T08:23:05.440224Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0cfb4415dbfcee75191d9b4c25cb1aa074e1c26a994387294de3266292058cbf

Aliases

arxiv: 2002.03249 · arxiv_version: 2002.03249v4 · doi: 10.48550/arxiv.2002.03249 · pith_short_12: BT5UIFO37TXH · pith_short_16: BT5UIFO37TXHKGI5 · pith_short_8: BT5UIFO3

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/BT5UIFO37TXHKGI5TNGCLSY2UB \
  | 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: 0cfb4415dbfcee75191d9b4c25cb1aa074e1c26a994387294de3266292058cbf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80a7be7065ede7770c3b6d30bcc3e5f61582485fdaade0d532599a5ca30e8c58",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-02-08T23:19:22Z",
    "title_canon_sha256": "0aedc64f2527c67bd2649500d732b3acdfd8e4bcdf02989b7ec7b37ee1685f0c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.03249",
    "kind": "arxiv",
    "version": 4
  }
}