Pith Number

pith:CUWLTCJK

pith:2025:CUWLTCJKG257FVPTQAHQYWRBS7

not attested not anchored not stored refs pending

Streaming quantum state purification for general mixed states

Daniel Grier, Debbie Leung, Hakop Pashayan, Luke Schaeffer, Zhi Li

arxiv:2503.22644 v1 · 2025-03-28 · 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{CUWLTCJKG257FVPTQAHQYWRBS7}

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

5 papers in Pith

Scaling-optimal purification of noisy qubit unitary channels

Forward-Assisted Purification: A Spatiotemporal Framework Beyond Conventional Limits

Nonasymptotic bounds for quantum purity amplification

Quantum Purity Amplification for Arbitrary Eigenstates and Multiple Outputs

An Exponential Sample-Complexity Advantage for Coherent Quantum Inference

Receipt and verification

First computed	2026-07-05T10:41:08.252450Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

152cb9892a36bbf2d5f3800f0c5a2197f7275e64063b9cf05a635084477b650b

Aliases

arxiv: 2503.22644 · arxiv_version: 2503.22644v1 · doi: 10.48550/arxiv.2503.22644 · pith_short_12: CUWLTCJKG257 · pith_short_16: CUWLTCJKG257FVPT · pith_short_8: CUWLTCJK

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/CUWLTCJKG257FVPTQAHQYWRBS7 \
  | 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: 152cb9892a36bbf2d5f3800f0c5a2197f7275e64063b9cf05a635084477b650b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ae0d709f1cbd0f8d061c4f634de4b7c7e4a2453e39b67e0e3873be7a8dc317f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-03-28T17:31:13Z",
    "title_canon_sha256": "22666c1215b1b09bf1ffba26e981a16d6397bea82f8d37fadf0fa09f1bb7f4c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.22644",
    "kind": "arxiv",
    "version": 1
  }
}