Pith Number

pith:5YL33EIZ

pith:2025:5YL33EIZFY4ITQ3AYZDHGTILJG

not attested not anchored not stored refs pending

Random Stinespring superchannel: converting channel queries into dilation isometry queries

Filippo Girardi, Francesco Anna Mele, Haimeng Zhao, Ludovico Lami, Marco Fanizza

arxiv:2512.20599 v2 · 2025-12-23 · quant-ph · cond-mat.other · 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{5YL33EIZFY4ITQ3AYZDHGTILJG}

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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

5 papers in Pith

Random dilation superchannel

Quantum metrology of mixed states via purification

Advances in quantum learning theory with bosonic systems

Probabilistic and approximate universal quantum purification machines

Quantum channel tomography: optimal bounds and a Heisenberg-to-classical phase transition

Receipt and verification

First computed	2026-05-25T02:02:11.809737Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee17bd91192e3889c360c646734d0b498e1854eb17aa6a4027f900a643a3a1c0

Aliases

arxiv: 2512.20599 · arxiv_version: 2512.20599v2 · doi: 10.48550/arxiv.2512.20599 · pith_short_12: 5YL33EIZFY4I · pith_short_16: 5YL33EIZFY4ITQ3A · pith_short_8: 5YL33EIZ

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/5YL33EIZFY4ITQ3AYZDHGTILJG \
  | 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: ee17bd91192e3889c360c646734d0b498e1854eb17aa6a4027f900a643a3a1c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "403e7a39321275135f9fcc2dc0185795ac2cad7eafc5912848ce1e6b6af32fd6",
    "cross_cats_sorted": [
      "cond-mat.other",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-12-23T18:46:07Z",
    "title_canon_sha256": "0afce7708f02157e1550c14b1a8fab69ce5147dfc0e7ba0a28c768a0f26a1242"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2512.20599",
    "kind": "arxiv",
    "version": 2
  }
}