Pith Number

pith:ENXBYMQ5

pith:2018:ENXBYMQ54YCOGNQ3BSCZXRMGQJ

not attested not anchored not stored refs pending

Quantifying the resource content of quantum channels: An operational approach

Kaifeng Bu, Lu Li, Zi-Wen Liu

arxiv:1812.02572 v2 · 2018-12-06 · quant-ph · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ENXBYMQ54YCOGNQ3BSCZXRMGQJ}

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

Universal limitations on implementing resourceful unitary evolutions

Receipt and verification

First computed	2026-07-05T00:45:03.062858Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

236e1c321de604e3361b0c859bc58682647acaca580483d2a021780cffb7ac76

Aliases

arxiv: 1812.02572 · arxiv_version: 1812.02572v2 · doi: 10.48550/arxiv.1812.02572 · pith_short_12: ENXBYMQ54YCO · pith_short_16: ENXBYMQ54YCOGNQ3 · pith_short_8: ENXBYMQ5

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/ENXBYMQ54YCOGNQ3BSCZXRMGQJ \
  | 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: 236e1c321de604e3361b0c859bc58682647acaca580483d2a021780cffb7ac76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "663c62253d734fe3b16de1ba70f7558d08b8b0f955c6d9b6d38473f109c44bff",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-12-06T14:56:24Z",
    "title_canon_sha256": "c5dca9ee5db4a8ae58fff2e37da23244c6ff24b5329c48079a47e5c4aa594290"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.02572",
    "kind": "arxiv",
    "version": 2
  }
}