Pith Number

pith:4IBOFUA7

pith:2019:4IBOFUA7FTUPDXWCZAORSKS7BU

not attested not anchored not stored refs pending

Protecting quantum entanglement from leakage and qubit errors via repetitive parity measurements

A. Bruno, B. Tarasinski, B. Varbanov, C. C. Bultink, L. DiCarlo, M. A. Rol, M. W. Beekman, N. Muthusubramanian, R. Vollmer, T. E. O'Brien, V. Ostroukh, X. Fu

arxiv:1905.12731 v2 · 2019-05-29 · 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{4IBOFUA7FTUPDXWCZAORSKS7BU}

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	2026-07-05T00:55:57.495543Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e202e2d01f2ce8f1dec2c81d192a5f0d0312022ab3b9a949d27e834d3cf12119

Aliases

arxiv: 1905.12731 · arxiv_version: 1905.12731v2 · doi: 10.48550/arxiv.1905.12731 · pith_short_12: 4IBOFUA7FTUP · pith_short_16: 4IBOFUA7FTUPDXWC · pith_short_8: 4IBOFUA7

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/4IBOFUA7FTUPDXWCZAORSKS7BU \
  | 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: e202e2d01f2ce8f1dec2c81d192a5f0d0312022ab3b9a949d27e834d3cf12119

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7175bbe3e8024120fede8450f768049a9380f294ea1cdb771fe1a5091ce0a713",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-05-29T21:11:06Z",
    "title_canon_sha256": "730b5a7cf0ec67d9de36f5d24c7e61bb2fe24df73e6e2472b99d9ad42981b61b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.12731",
    "kind": "arxiv",
    "version": 2
  }
}