Pith Number

pith:INCKJZWQ

pith:2004:INCKJZWQJEIIS42TYEC25ZK4FB

not attested not anchored not stored refs pending

Faithful qubit distribution assisted by one additional qubit against collective noise

J. Shimamura, M. Koashi, N. Imoto, S. K. Ozdemir, T. Yamamoto

arxiv:quant-ph/0407046 v2 · 2004-07-06 · 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{INCKJZWQJEIIS42TYEC25ZK4FB}

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	2026-07-04T16:50:20.563455Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4344a4e6d04910897353c105aee55c2850884208406342feb98827a77d4ed900

Aliases

arxiv: quant-ph/0407046 · arxiv_version: quant-ph/0407046v2 · doi: 10.48550/arxiv.quant-ph/0407046 · pith_short_12: INCKJZWQJEII · pith_short_16: INCKJZWQJEIIS42T · pith_short_8: INCKJZWQ

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/INCKJZWQJEIIS42TYEC25ZK4FB \
  | 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: 4344a4e6d04910897353c105aee55c2850884208406342feb98827a77d4ed900

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3937dcb2169e8b9f961f686525599511208451a1cc2de1f3ade61e55d715265c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2004-07-06T14:03:10Z",
    "title_canon_sha256": "5c97c924d36cea90a7113d488944a9529c996626c6489166fb0c5037c551f6fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0407046",
    "kind": "arxiv",
    "version": 2
  }
}