Pith Number

pith:75F6XZAW

pith:2015:75F6XZAWMXF7OLPXFOSZCTHJZU

not attested not anchored not stored refs pending

The Degree of Quantum Correlation Required to Speed-Up a Computation

Alastair Kay

arxiv:1508.06474 v1 · 2015-08-26 · 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{75F6XZAWMXF7OLPXFOSZCTHJZU}

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	2026-05-18T01:23:55.651735Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff4bebe41665cbf72df72ba5914ce9cd245a448b98de566baa373a285013105c

Aliases

arxiv: 1508.06474 · arxiv_version: 1508.06474v1 · doi: 10.48550/arxiv.1508.06474 · pith_short_12: 75F6XZAWMXF7 · pith_short_16: 75F6XZAWMXF7OLPX · pith_short_8: 75F6XZAW

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/75F6XZAWMXF7OLPXFOSZCTHJZU \
  | 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: ff4bebe41665cbf72df72ba5914ce9cd245a448b98de566baa373a285013105c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c038eea0252066bd474744ae4510167df7543f5579eac4bd9273c8eca0c50090",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-08-26T12:50:51Z",
    "title_canon_sha256": "d0f8c67db83e021d9e3fc95303574aa43544b9f9ac2f14ac1def9ae48fa59cd0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.06474",
    "kind": "arxiv",
    "version": 1
  }
}