Pith Number

pith:ORFEYTOV

pith:2023:ORFEYTOV4MI4V4JGPGHS6V7NLZ

not attested not anchored not stored refs pending

Optimal and Variational Multi-Parameter Quantum Metrology and Vector Field Sensing

Athreya Shankar, Denis V. Vasilyev, Peter Zoller, Raphael Kaubruegger

arxiv:2302.07785 v1 · 2023-02-15 · quant-ph · physics.atom-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{ORFEYTOV4MI4V4JGPGHS6V7NLZ}

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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.

Cited by

1 paper in Pith

Multiparameter quantum estimation with Gaussian states: efficiently evaluating Holevo, RLD and SLD Cram\'er-Rao bounds

Receipt and verification

First computed	2026-07-05T06:16:49.142630Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

744a4c4dd5e311caf126798f2f57ed5e67de2116ea8e2240728138cf2f19f4fd

Aliases

arxiv: 2302.07785 · arxiv_version: 2302.07785v1 · doi: 10.48550/arxiv.2302.07785 · pith_short_12: ORFEYTOV4MI4 · pith_short_16: ORFEYTOV4MI4V4JG · pith_short_8: ORFEYTOV

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/ORFEYTOV4MI4V4JGPGHS6V7NLZ \
  | 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: 744a4c4dd5e311caf126798f2f57ed5e67de2116ea8e2240728138cf2f19f4fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c5c65380c4ae8a616dfe24bae3b6b56a1f76c4c7eea8edcb5aa2e10deaa537c",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2023-02-15T17:12:38Z",
    "title_canon_sha256": "534f279dd59542f2ddfa6fd57e9cefec7a09504d19625d4394dc397ead86e699"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2302.07785",
    "kind": "arxiv",
    "version": 1
  }
}