Pith Number

pith:RUJR7GEY

pith:2010:RUJR7GEYOIGWSB2BJBTTKZ4OVR

not attested not anchored not stored refs pending

No-go Theorem for One-way Quantum Computing on Naturally Occurring Two-level Systems

Bei Zeng, Jianxin Chen, Runyao Duan, Xie Chen, Zhengfeng Ji

arxiv:1004.3787 v1 · 2010-04-21 · 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{RUJR7GEYOIGWSB2BJBTTKZ4OVR}

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	2026-05-18T03:23:48.809137Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d131f9898720d690741486735678eac4b358578a14d45a87afbe9d57ef7ffaa

Aliases

arxiv: 1004.3787 · arxiv_version: 1004.3787v1 · doi: 10.48550/arxiv.1004.3787 · pith_short_12: RUJR7GEYOIGW · pith_short_16: RUJR7GEYOIGWSB2B · pith_short_8: RUJR7GEY

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/RUJR7GEYOIGWSB2BJBTTKZ4OVR \
  | 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: 8d131f9898720d690741486735678eac4b358578a14d45a87afbe9d57ef7ffaa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e92602e5b03e1023abffec1fe08ee8e26766f4f77370ae34b601a8f67b736857",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-04-21T20:00:04Z",
    "title_canon_sha256": "4448a5e31e5a4926730bc02f53ec688ddd37431f40854d2e210952039c6214ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.3787",
    "kind": "arxiv",
    "version": 1
  }
}