Pith Number

pith:CX77FFZY

pith:2021:CX77FFZYD2CKASNOS6XR5DRGKJ

not attested not anchored not stored refs pending

Fast Bayesian tomography of a two-qubit gate set in silicon

A. Saraiva, A. S. Dzurak, C. H. Yang, F. E. Hudson, J. Yoneda, K. M. Itoh, K. W. Chan, R. Harper, S. D. Bartlett, T. J. Evans, T. Tanttu, W. Huang

arxiv:2107.14473 v1 · 2021-07-30 · 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{CX77FFZYD2CKASNOS6XR5DRGKJ}

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	2026-07-05T04:00:16.519536Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15fff297381e84a049ae97af1e8e2652734a58e2a3665b9ae7773ce46ee406b3

Aliases

arxiv: 2107.14473 · arxiv_version: 2107.14473v1 · doi: 10.48550/arxiv.2107.14473 · pith_short_12: CX77FFZYD2CK · pith_short_16: CX77FFZYD2CKASNO · pith_short_8: CX77FFZY

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/CX77FFZYD2CKASNOS6XR5DRGKJ \
  | 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: 15fff297381e84a049ae97af1e8e2652734a58e2a3665b9ae7773ce46ee406b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0a7535cd19c38d75e2963203e2188fa60e612769052fd3f92e386c79f365b0f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-07-30T07:56:04Z",
    "title_canon_sha256": "488ead050d7fef04c5bfd0482cf385de3b12fa3a579193b9e5a0f462fc81212a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.14473",
    "kind": "arxiv",
    "version": 1
  }
}