Pith Number

pith:KWU7KKKR

pith:2023:KWU7KKKRTYZU47VKTMQLRRRXG7

not attested not anchored not stored refs pending

Comparison of confidence regions for quantum state tomography

Gael Sent\'is, Jessica O. de Almeida, Matthias Kleinmann

arxiv:2303.07136 v2 · 2023-03-13 · 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{KWU7KKKRTYZU47VKTMQLRRRXG7}

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

Ky Fan majorization for binary tensor products

Receipt and verification

First computed	2026-07-05T07:12:34.180191Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

55a9f529519e334e7eaa9b20b8c63737e22ab0fc3e28f284a17ccec9cea96fc9

Aliases

arxiv: 2303.07136 · arxiv_version: 2303.07136v2 · doi: 10.48550/arxiv.2303.07136 · pith_short_12: KWU7KKKRTYZU · pith_short_16: KWU7KKKRTYZU47VK · pith_short_8: KWU7KKKR

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/KWU7KKKRTYZU47VKTMQLRRRXG7 \
  | 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: 55a9f529519e334e7eaa9b20b8c63737e22ab0fc3e28f284a17ccec9cea96fc9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b55b1dc5ef8007a2507e930a2c80659551e97f8dd20308f0a42e3227368e89c0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2023-03-13T14:05:07Z",
    "title_canon_sha256": "43e0b773f35f798895aae234ab074115e0e82aedf12bd7bb54d9ad9f57a4b792"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.07136",
    "kind": "arxiv",
    "version": 2
  }
}