Pith Number

pith:73ORHLAC

pith:2006:73ORHLACF2JAWK6RIBYMESAQKF

not attested not anchored not stored refs pending

Optimal and covariant single-copy LOCC transformation between two two-qubit states

K. Bradler

arxiv:quant-ph/0611107 v3 · 2006-11-09 · 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{73ORHLACF2JAWK6RIBYMESAQKF}

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	2026-05-18T01:37:53.895034Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fedd13ac022e920b2bd14070c248105142071dc11e29fe9cdf767488f05b2324

Aliases

arxiv: quant-ph/0611107 · arxiv_version: quant-ph/0611107v3 · doi: 10.48550/arxiv.quant-ph/0611107 · pith_short_12: 73ORHLACF2JA · pith_short_16: 73ORHLACF2JAWK6R · pith_short_8: 73ORHLAC

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/73ORHLACF2JAWK6RIBYMESAQKF \
  | 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: fedd13ac022e920b2bd14070c248105142071dc11e29fe9cdf767488f05b2324

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "635fc6cfcb35576729bbca4aee2d83b0863dfa73b14d356b29afe2ad69ea3e1e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2006-11-09T22:37:01Z",
    "title_canon_sha256": "2a8133694b0fe4015365154e42d89833991c0e8f17844722ea2e3d5d8250e613"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0611107",
    "kind": "arxiv",
    "version": 3
  }
}