Pith Number

pith:BMPWWWAL

pith:2011:BMPWWWALS4ZSYHSLSO6CBY4LDO

not attested not anchored not stored refs pending

Direct Fidelity Estimation from Few Pauli Measurements

Steven T. Flammia, Yi-Kai Liu

arxiv:1104.4695 v3 · 2011-04-25 · quant-ph

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BMPWWWALS4ZSYHSLSO6CBY4LDO}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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

Demonstration of logical qubits and repeated error correction with better-than-physical error rates

Receipt and verification

First computed	2026-05-18T04:20:23.061881Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b1f6b580b97332c1e4b93bc20e38b1b9ea22c27fe5787f3daf600494782ee90

Aliases

arxiv: 1104.4695 · arxiv_version: 1104.4695v3 · doi: 10.48550/arxiv.1104.4695 · pith_short_12: BMPWWWALS4ZS · pith_short_16: BMPWWWALS4ZSYHSL · pith_short_8: BMPWWWAL

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/BMPWWWALS4ZSYHSLSO6CBY4LDO \
  | 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: 0b1f6b580b97332c1e4b93bc20e38b1b9ea22c27fe5787f3daf600494782ee90

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5bee21cea49f5cf1d86fda0ad8546f19a324ba6d922bac2f6a4877be5e27946",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-04-25T08:02:04Z",
    "title_canon_sha256": "dd619f961660c368172091466a740abe2e18b8e40d8915c80197725d5cd39cd7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.4695",
    "kind": "arxiv",
    "version": 3
  }
}