Pith Number

pith:A5B4Z2TK

pith:2018:A5B4Z2TKYCFYVGUFGP32R5OVXS

not attested not anchored not stored refs pending

Fundamental limits to quantum channel discrimination

Cosmo Lupo, Jason L. Pereira, Riccardo Laurenza, Stefano Pirandola

arxiv:1803.02834 v4 · 2018-03-07 · quant-ph · cond-mat.other · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A5B4Z2TKYCFYVGUFGP32R5OVXS}

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

2 papers in Pith

Entanglement in quantum channel discrimination: sometimes less is more

A resource theory of asynchronous quantum information processing

Receipt and verification

First computed	2026-07-04T23:52:18.407827Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0743ccea6ac08b8a9a8533f7a8f5d5bc91300c19c11b255551d6eb012fe7686b

Aliases

arxiv: 1803.02834 · arxiv_version: 1803.02834v4 · doi: 10.48550/arxiv.1803.02834 · pith_short_12: A5B4Z2TKYCFY · pith_short_16: A5B4Z2TKYCFYVGUF · pith_short_8: A5B4Z2TK

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/A5B4Z2TKYCFYVGUFGP32R5OVXS \
  | 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: 0743ccea6ac08b8a9a8533f7a8f5d5bc91300c19c11b255551d6eb012fe7686b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a6a6150e0974500d3b2b5d6833ce6b3c2385f34f8ab93b50e725cc389eeeecb",
    "cross_cats_sorted": [
      "cond-mat.other",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-03-07T19:00:02Z",
    "title_canon_sha256": "bb974b18364652b661e94b0c7b8050da427660400d1642360a6c56a00f05e7a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.02834",
    "kind": "arxiv",
    "version": 4
  }
}