Pith Number

pith:KKQXZGSC

pith:2025:KKQXZGSCU7MLPXF6ETJPH2PS62

not attested not anchored not stored refs pending

Entanglement Purification in Quantum Networks: Guaranteed Improvement and Optimal Time

Allen Zang, Eric Chitambar, Martin Suchara, Tian Zhong, Xin-An Chen

arxiv:2505.02286 v1 · 2025-05-04 · 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{KKQXZGSCU7MLPXF6ETJPH2PS62}

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

Resource Management in Heterogeneous Quantum Repeater Networks

To Purify or Not to Purify: Entanglement Purification under Input Fidelity Asymmetry in Quantum Networks

Receipt and verification

First computed	2026-07-05T11:35:35.028279Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52a17c9a42a7d8b7dcbe24d2f3e9f2f69672d10a51ba6bb28921e4409d4d6ba0

Aliases

arxiv: 2505.02286 · arxiv_version: 2505.02286v1 · doi: 10.48550/arxiv.2505.02286 · pith_short_12: KKQXZGSCU7ML · pith_short_16: KKQXZGSCU7MLPXF6 · pith_short_8: KKQXZGSC

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/KKQXZGSCU7MLPXF6ETJPH2PS62 \
  | 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: 52a17c9a42a7d8b7dcbe24d2f3e9f2f69672d10a51ba6bb28921e4409d4d6ba0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad5d50437bddcdd7a65f2ff03d22908f11750f14b4260ac6d10d8a4eda692167",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-05-04T22:52:58Z",
    "title_canon_sha256": "deb103e7ce578d811e7294fdfca5995580ecd47d2a18e91a0fd44ebdc059bd8d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.02286",
    "kind": "arxiv",
    "version": 1
  }
}