Pith Number

pith:IPXP4QJK

pith:2025:IPXP4QJKUCH5OKO4WQJCNIVCTF

not attested not anchored not stored refs pending

Quantum multiphase estimation

Aaron Z. Goldberg, Ilaria Gianani, Luis L. S\'anchez-Soto, Marco Barbieri

arxiv:2502.07873 v1 · 2025-02-11 · 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{IPXP4QJKUCH5OKO4WQJCNIVCTF}

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.

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	2026-07-05T10:35:46.262220Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43eefe412aa08fd729dcb41226a2a29968c1f69a1afef7b3993f97c5d493136f

Aliases

arxiv: 2502.07873 · arxiv_version: 2502.07873v1 · doi: 10.48550/arxiv.2502.07873 · pith_short_12: IPXP4QJKUCH5 · pith_short_16: IPXP4QJKUCH5OKO4 · pith_short_8: IPXP4QJK

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/IPXP4QJKUCH5OKO4WQJCNIVCTF \
  | 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: 43eefe412aa08fd729dcb41226a2a29968c1f69a1afef7b3993f97c5d493136f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "842e976b1c723cadf2bbacddc796bdd4c22b8732f84419b5e9d237c4bc536624",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-02-11T19:00:00Z",
    "title_canon_sha256": "c8ca4f4ddbe7be085af256113e823809146df4e4bd2c3ab45832521e9c654ad6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.07873",
    "kind": "arxiv",
    "version": 1
  }
}