Pith Number

pith:7OG4UQR5

pith:2012:7OG4UQR5YFZ7QPSBYXGQCGGZW7

not attested not anchored not stored refs pending

A 490 GHz planar circuit balanced Nb-Al$_\mathbf{2}$O$_{\mathbf{3}}$-Nb quasiparticle mixer for radio astronomy: Application to quantitative local oscillator noise determination

C. E. Honingh, F. Schomacker, J. Stutzki, K. Jacobs, M. Justen, M. P. Westig, M. Schultz

arxiv:1205.4494 v2 · 2012-05-21 · physics.ins-det

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7OG4UQR5YFZ7QPSBYXGQCGGZW7}

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	2026-05-18T00:33:37.388714Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb8dca423dc173f83e41c5cd0118d9b7f5096f527cc99e051fd323250d1d40cf

Aliases

arxiv: 1205.4494 · arxiv_version: 1205.4494v2 · doi: 10.48550/arxiv.1205.4494 · pith_short_12: 7OG4UQR5YFZ7 · pith_short_16: 7OG4UQR5YFZ7QPSB · pith_short_8: 7OG4UQR5

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/7OG4UQR5YFZ7QPSBYXGQCGGZW7 \
  | 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: fb8dca423dc173f83e41c5cd0118d9b7f5096f527cc99e051fd323250d1d40cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e298e754767641ee6431c50c9abdfda8c828595beb85681c5fe8ca35ca79e83",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2012-05-21T06:23:40Z",
    "title_canon_sha256": "6701883f4be6afeab59b9312a68f0b465cc8ecac12082686f6e20710df7ef401"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.4494",
    "kind": "arxiv",
    "version": 2
  }
}