Pith Number

pith:FAKOC5ZB

pith:2025:FAKOC5ZBHK5WWXEBQQJMHIZCND

not attested not anchored not stored refs pending

Sampling Groups of Pauli Operators to Enhance Direct Fidelity Estimation

J\'ulia Barber\`a-Rodr\'iguez, Leonardo Zambrano, Mariana Navarro

arxiv:2501.19228 v2 · 2025-01-31 · 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{FAKOC5ZBHK5WWXEBQQJMHIZCND}

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	2026-07-05T11:33:49.374686Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2814e177213abb6b5c818412c3a32268d86bc012cacfc49820396bb9f76a5f43

Aliases

arxiv: 2501.19228 · arxiv_version: 2501.19228v2 · doi: 10.48550/arxiv.2501.19228 · pith_short_12: FAKOC5ZBHK5W · pith_short_16: FAKOC5ZBHK5WWXEB · pith_short_8: FAKOC5ZB

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/FAKOC5ZBHK5WWXEBQQJMHIZCND \
  | 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: 2814e177213abb6b5c818412c3a32268d86bc012cacfc49820396bb9f76a5f43

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7d9ab1c20e90a657dd479a2f945dc72643024c03800b659c055c4a8e1c33e94",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-01-31T15:38:09Z",
    "title_canon_sha256": "ac293352565cf1cf862d44eeb61b18d71e174fa60319c2e2b9c8acf319b0f94b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.19228",
    "kind": "arxiv",
    "version": 2
  }
}