Pith Number

pith:W4HMFT7D

pith:2003:W4HMFT7DP3VOXEDX373FNXD7XH

not attested not anchored not stored refs pending

Quantum convolution and quantum correlation algorithms are physically impossible

Chris Lomont

arxiv:quant-ph/0309070 v2 · 2003-09-08 · 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{W4HMFT7DP3VOXEDX373FNXD7XH}

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.

Cited by

1 paper in Pith

Quantum computing for accelerating cross-correlations intensive applications in signal processing

Receipt and verification

First computed	2026-07-04T14:46:24.302657Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b70ec2cfe37eeaeb9077dff656dc7fb9cf33b101275a50ba547c98d4e456d2c1

Aliases

arxiv: quant-ph/0309070 · arxiv_version: quant-ph/0309070v2 · doi: 10.48550/arxiv.quant-ph/0309070 · pith_short_12: W4HMFT7DP3VO · pith_short_16: W4HMFT7DP3VOXEDX · pith_short_8: W4HMFT7D

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/W4HMFT7DP3VOXEDX373FNXD7XH \
  | 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: b70ec2cfe37eeaeb9077dff656dc7fb9cf33b101275a50ba547c98d4e456d2c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b0c49ff01b17ca10c94c34302958e8c27054e8da2b57433bb993ef3945bab51f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2003-09-08T14:20:25Z",
    "title_canon_sha256": "b7cb62cd1734b4c74d12b2861f56562be3b0f5bc2ac870ed066591dc058eef9a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0309070",
    "kind": "arxiv",
    "version": 2
  }
}