Pith Number

pith:U6IR4L7B

pith:2015:U6IR4L7BMNYRNKH3OECCHDRU33

not attested not anchored not stored refs pending

Average-case complexity versus approximate simulation of commuting quantum computations

Ashley Montanaro, Dan J. Shepherd, Michael J. Bremner

arxiv:1504.07999 v2 · 2015-04-29 · quant-ph · cs.CC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U6IR4L7BMNYRNKH3OECCHDRU33}

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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.

Cited by

1 paper in Pith

The one clean qubit model without entanglement is classically simulable

Receipt and verification

First computed	2026-05-18T01:08:13.358564Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7911e2fe1637116a8fb7104238e34dece83344d8fb3d667a863dcff97b9f57a

Aliases

arxiv: 1504.07999 · arxiv_version: 1504.07999v2 · doi: 10.48550/arxiv.1504.07999 · pith_short_12: U6IR4L7BMNYR · pith_short_16: U6IR4L7BMNYRNKH3 · pith_short_8: U6IR4L7B

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/U6IR4L7BMNYRNKH3OECCHDRU33 \
  | 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: a7911e2fe1637116a8fb7104238e34dece83344d8fb3d667a863dcff97b9f57a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77648d3a156e422d9717b402216040d0f05abe36ec1900b59925426c69680d0a",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-04-29T20:01:21Z",
    "title_canon_sha256": "ecc18b6adea83121d8d3c43ce036dedff3f3b432d9814438dcd1382a3bf12618"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.07999",
    "kind": "arxiv",
    "version": 2
  }
}