Pith Number

pith:2MDUCKC7

pith:2014:2MDUCKC74JMQELVK6LAU5QRJRY

not attested not anchored not stored refs pending

Classical simulatability of the one clean qubit model

Takeshi Koshiba, Tomoyuki Morimae

arxiv:1405.6840 v2 · 2014-05-27 · 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{2MDUCKC74JMQELVK6LAU5QRJRY}

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	2026-05-18T02:50:23.901578Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d30741285fe259022eaaf2c14ec2298e3b006bf4f5cf1423a5f75eb905ac3fc9

Aliases

arxiv: 1405.6840 · arxiv_version: 1405.6840v2 · doi: 10.48550/arxiv.1405.6840 · pith_short_12: 2MDUCKC74JMQ · pith_short_16: 2MDUCKC74JMQELVK · pith_short_8: 2MDUCKC7

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/2MDUCKC74JMQELVK6LAU5QRJRY \
  | 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: d30741285fe259022eaaf2c14ec2298e3b006bf4f5cf1423a5f75eb905ac3fc9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce04cb8eafd6d05d93cb1cdf215b861497d92e13d9849c9606638fb7e2ac1905",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-05-27T09:01:26Z",
    "title_canon_sha256": "2adcae4bd8da527386f6ad38021ec31b49c31c52c691ca6f66e0ae1218068a49"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.6840",
    "kind": "arxiv",
    "version": 2
  }
}