Pith Number

pith:KIMYPAI3

pith:2025:KIMYPAI3TUDJAV7BYUPED22UPC

not attested not anchored not stored refs pending

Fast quantum measurement tomography with optimal error bounds

Leonardo Zambrano, Richard Kueng, Sergi Ramos-Calderer

arxiv:2507.04500 v3 · 2025-07-06 · 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{KIMYPAI3TUDJAV7BYUPED22UPC}

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

4 papers in Pith

Near-Optimal Learning of Local Lindbladians

Stable Qubit Readout and the Identifiability of Population Change

Characterizing quantum synchronization in the van der Pol oscillator via tomogram and photon correlation

Quantum channel tomography: optimal bounds and a Heisenberg-to-classical phase transition

Receipt and verification

First computed	2026-07-10T01:18:45.602613Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

521987811b9d069057e1c51e41eb547897e5dd54b89726c7abe07cc43dbca0f3

Aliases

arxiv: 2507.04500 · arxiv_version: 2507.04500v3 · doi: 10.48550/arxiv.2507.04500 · pith_short_12: KIMYPAI3TUDJ · pith_short_16: KIMYPAI3TUDJAV7B · pith_short_8: KIMYPAI3

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/KIMYPAI3TUDJAV7BYUPED22UPC \
  | 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: 521987811b9d069057e1c51e41eb547897e5dd54b89726c7abe07cc43dbca0f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ac8d972db216e3a81575029c1133c36ceec5e1cfbfa308ec4ed0c22c261879a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-07-06T18:35:07Z",
    "title_canon_sha256": "82746b7fa8674d1148a1072e5bd37f4adc886cf3f971595a6f5b4546cbcb8836"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.04500",
    "kind": "arxiv",
    "version": 3
  }
}