Pith Number

pith:SWSQPQ2X

pith:2026:SWSQPQ2XKCVMGLUYDTHEYDQFNO

not attested not anchored not stored refs pending

No Cloning of Quantum Ensembles

Qi Zhao, Siyuan Cheng, Xiao Yuan, Xiongfeng Ma, Zhenyu Du

arxiv:2606.27756 v1 · 2026-06-26 · 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{SWSQPQ2XKCVMGLUYDTHEYDQFNO}

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	2026-06-29T01:14:47.570838Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95a507c35750aac32e981cce4c0e056bb2d3451e89dd585af88fa234aea2c426

Aliases

arxiv: 2606.27756 · arxiv_version: 2606.27756v1 · doi: 10.48550/arxiv.2606.27756 · pith_short_12: SWSQPQ2XKCVM · pith_short_16: SWSQPQ2XKCVMGLUY · pith_short_8: SWSQPQ2X

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/SWSQPQ2XKCVMGLUYDTHEYDQFNO \
  | 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: 95a507c35750aac32e981cce4c0e056bb2d3451e89dd585af88fa234aea2c426

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ac41bd3f7da8cacec44f92843d15fa194336192c0b48d9290032f27ff8d939d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-06-26T06:24:03Z",
    "title_canon_sha256": "cd9a95ba08f8ec4bdc1f45d01ca68b83b747e5f187cba626d40d5c4e372c62d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.27756",
    "kind": "arxiv",
    "version": 1
  }
}