Pith Number

pith:UZFDAEPC

pith:2009:UZFDAEPC5S5MKI2SZUWZUMEISQ

not attested not anchored not stored refs pending

Superconducting Quantum Interference Device Amplifiers with over 27 GHz of Gain-Bandwidth Product Operated in the 4 GHz--8 GHz Frequency Range

Jose Aumentado, Kent Irwin, Lafe Spietz

arxiv:0908.4250 v1 · 2009-08-28 · 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{UZFDAEPC5S5MKI2SZUWZUMEISQ}

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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	2026-05-18T02:12:13.236434Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a64a3011e2ecbac52352cd2d9a30889424834de26f65be7577cbd7a6f348e433

Aliases

arxiv: 0908.4250 · arxiv_version: 0908.4250v1 · doi: 10.48550/arxiv.0908.4250 · pith_short_12: UZFDAEPC5S5M · pith_short_16: UZFDAEPC5S5MKI2S · pith_short_8: UZFDAEPC

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/UZFDAEPC5S5MKI2SZUWZUMEISQ \
  | 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: a64a3011e2ecbac52352cd2d9a30889424834de26f65be7577cbd7a6f348e433

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd91de48b3d301bd0386b28b53276e0eaa7d165c90fe55a6a91011b1c31cec35",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2009-08-28T17:51:54Z",
    "title_canon_sha256": "fb5ae58df81bb6589676ab9bf135808f3936a07e2dc3fadf9e3f6f4368623938"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.4250",
    "kind": "arxiv",
    "version": 1
  }
}