Pith Number

pith:CBPQ5DPG

pith:2009:CBPQ5DPGWWI3DRDLKQDOTSTZBZ

not attested not anchored not stored refs pending

A Compound Josephson Junction Coupler for Flux Qubits With Minimal Crosstalk

A.J. Berkley, E. Ladizinsky, J. Johansson, M.W. Johnson, N. Ladizinsky, P. Bunyk, R. Harris, Siyuan Han, T. Lanting, T. Oh

arxiv:0904.3784 v3 · 2009-04-24 · cond-mat.supr-con

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CBPQ5DPGWWI3DRDLKQDOTSTZBZ}

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	2026-05-18T03:24:06.771877Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

105f0e8de6b591b1c46b5406e9ca790e737353d1dd379c8c68e07223fc35879c

Aliases

arxiv: 0904.3784 · arxiv_version: 0904.3784v3 · doi: 10.48550/arxiv.0904.3784 · pith_short_12: CBPQ5DPGWWI3 · pith_short_16: CBPQ5DPGWWI3DRDL · pith_short_8: CBPQ5DPG

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/CBPQ5DPGWWI3DRDLKQDOTSTZBZ \
  | 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: 105f0e8de6b591b1c46b5406e9ca790e737353d1dd379c8c68e07223fc35879c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77865621de1d1d2771426ba620f1b271695e1552898792551fc8cbb2ed537eaa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2009-04-24T02:59:20Z",
    "title_canon_sha256": "a4b5c49563c4a5969794cbbd718fdcb7c051e1f46366f8040d75c1a3d0759f1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.3784",
    "kind": "arxiv",
    "version": 3
  }
}