Pith Number

pith:FZ2Q4KCP

pith:2016:FZ2Q4KCPA4E7I2E34TXNRNVH7T

not attested not anchored not stored refs pending

A Four-Round LOCC Protocol Outperforms All Two-Round Protocols in Reducing the Entanglement Cost for A Distributed Quantum Information Processing

Akihito Soeda, Eyuri Wakakuwa, Mio Murao

arxiv:1608.07461 v2 · 2016-08-26 · 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{FZ2Q4KCPA4E7I2E34TXNRNVH7T}

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.

Receipt and verification

First computed	2026-05-18T00:02:13.788755Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e750e284f0709f4689be4eed8b6a7fcf933b135cd8cdc84950c0ac0e4293e50

Aliases

arxiv: 1608.07461 · arxiv_version: 1608.07461v2 · doi: 10.48550/arxiv.1608.07461 · pith_short_12: FZ2Q4KCPA4E7 · pith_short_16: FZ2Q4KCPA4E7I2E3 · pith_short_8: FZ2Q4KCP

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/FZ2Q4KCPA4E7I2E34TXNRNVH7T \
  | 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: 2e750e284f0709f4689be4eed8b6a7fcf933b135cd8cdc84950c0ac0e4293e50

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "915a8f45a9ebba05759ccff4d10744af2688214205f015dc547369999676cc48",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-08-26T13:51:44Z",
    "title_canon_sha256": "746f6bccecb6e6adda74bce6390eefdbeb6acda9f9c6ce19ffb7bbe31f1b18b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.07461",
    "kind": "arxiv",
    "version": 2
  }
}