Pith Number

pith:KKQDFKT6

pith:2018:KKQDFKT6B2TGGMUASZURUXYPE5

not attested not anchored not stored refs pending

Quantum State Merging for Arbitrarily Small-Dimensional Systems

Hayata Yamasaki, Mio Murao

arxiv:1806.07875 v4 · 2018-06-18 · 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{KKQDFKT6B2TGGMUASZURUXYPE5}

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	2026-05-17T23:43:23.801134Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52a032aa7e0ea663328096691a5f0f27432a6bc846858750cd207981ebc828c4

Aliases

arxiv: 1806.07875 · arxiv_version: 1806.07875v4 · doi: 10.48550/arxiv.1806.07875 · pith_short_12: KKQDFKT6B2TG · pith_short_16: KKQDFKT6B2TGGMUA · pith_short_8: KKQDFKT6

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/KKQDFKT6B2TGGMUASZURUXYPE5 \
  | 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: 52a032aa7e0ea663328096691a5f0f27432a6bc846858750cd207981ebc828c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21f5c3b85d74382a9f6baf4b03ee74ba4676dfde76fbfdaa7fda72a5bdde53dc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-06-18T18:00:00Z",
    "title_canon_sha256": "b9d221a998564fd4f02fe86cc193d3d67f8bb01592d5f09b7a36d33bb1c6e0c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.07875",
    "kind": "arxiv",
    "version": 4
  }
}