Pith Number

pith:Z3QNX5KN

pith:2026:Z3QNX5KN7SMB3W4DXZ5NFF3SLA

not attested not anchored not stored refs pending

Scaling-optimal purification of noisy qubit unitary channels

Koki Ono, Mio Murao, Ryotaro Niwa, Ryuji Takagi, Satoshi Yoshida, Takeru Utsumi, Yuxiang Yang, Zhaoyi Li

arxiv:2606.12394 v1 · 2026-06-10 · 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{Z3QNX5KN7SMB3W4DXZ5NFF3SLA}

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	2026-06-11T02:09:49.650863Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cee0dbf54dfc981ddb83be7ad29772580d9b497e144a7191bc5fef22d0739260

Aliases

arxiv: 2606.12394 · arxiv_version: 2606.12394v1 · doi: 10.48550/arxiv.2606.12394 · pith_short_12: Z3QNX5KN7SMB · pith_short_16: Z3QNX5KN7SMB3W4D · pith_short_8: Z3QNX5KN

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/Z3QNX5KN7SMB3W4DXZ5NFF3SLA \
  | 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: cee0dbf54dfc981ddb83be7ad29772580d9b497e144a7191bc5fef22d0739260

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7977371e9f4564b5bb6a4b4c073198eeaec7fab66a74f2a0ba6fbb65d483d87f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-06-10T17:55:25Z",
    "title_canon_sha256": "2bcb0f079f34279b6b00dfb08bef00cc03aa0f896c660d4dca8dc75392b886fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.12394",
    "kind": "arxiv",
    "version": 1
  }
}