Pith Number

pith:EEXSA7TB

pith:2004:EEXSA7TB3QT35ODLZNKJOPWVFF

not attested not anchored not stored refs pending

Asymmetric phase-covariant d-dimensional cloning

L.-P. Lamoureux, N. J. Cerf

arxiv:quant-ph/0410054 v1 · 2004-10-07 · 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{EEXSA7TB3QT35ODLZNKJOPWVFF}

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	2026-05-18T02:35:06.881641Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

212f207e61dc27beb86bcb54973ed5297607ff05b8db209b647f820a9dc0ca3f

Aliases

arxiv: quant-ph/0410054 · arxiv_version: quant-ph/0410054v1 · doi: 10.48550/arxiv.quant-ph/0410054 · pith_short_12: EEXSA7TB3QT3 · pith_short_16: EEXSA7TB3QT35ODL · pith_short_8: EEXSA7TB

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/EEXSA7TB3QT35ODLZNKJOPWVFF \
  | 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: 212f207e61dc27beb86bcb54973ed5297607ff05b8db209b647f820a9dc0ca3f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85b63a97f90547340602953d81716176b6aa0b9a53b1453e85aa8e3aa8de8455",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2004-10-07T08:35:45Z",
    "title_canon_sha256": "52053ecd0a8d71fe56a7e20176ec559cb81fe4b89735d6030d7ba5aaab218c2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0410054",
    "kind": "arxiv",
    "version": 1
  }
}