Pith Number

pith:PXXLCG4W

pith:2005:PXXLCG4WHZHWDJNCRXEYNWPVN3

not attested not anchored not stored refs pending

Optimal discrimination of quantum operations

Massimiliano F. Sacchi

arxiv:quant-ph/0505183 v1 · 2005-05-24 · 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{PXXLCG4WHZHWDJNCRXEYNWPVN3}

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

Entanglement in quantum channel discrimination: sometimes less is more

Receipt and verification

First computed	2026-07-04T16:57:35.038290Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7deeb11b963e4f61a5a28dc986d9f56ecb7395735a3347454e0a80f6f8b7d8c2

Aliases

arxiv: quant-ph/0505183 · arxiv_version: quant-ph/0505183v1 · doi: 10.48550/arxiv.quant-ph/0505183 · pith_short_12: PXXLCG4WHZHW · pith_short_16: PXXLCG4WHZHWDJNC · pith_short_8: PXXLCG4W

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/PXXLCG4WHZHWDJNCRXEYNWPVN3 \
  | 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: 7deeb11b963e4f61a5a28dc986d9f56ecb7395735a3347454e0a80f6f8b7d8c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3198fa068f76464e8b922480be29954c229de6685633305d5d4ada6fdeb6877d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2005-05-24T17:06:49Z",
    "title_canon_sha256": "2351eccca353003e019bfd87d1990a981adaf1f89d76968871e7d67a76c17717"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0505183",
    "kind": "arxiv",
    "version": 1
  }
}