Pith Number

pith:72IBDFLD

pith:2021:72IBDFLDH6MS2JIY62FT62JNKA

not attested not anchored not stored refs pending

Characterization of a flux-driven Josephson parametric amplifier with near quantum-limited added noise for axion search experiments

Andrei N. Matlashov, Arjan F. van Loo, \c{C}a\u{g}lar Kutlu, Doyu Lee, Jinsu Kim, Seonjeong Oh, Sergey V. Uchaikin, Woohyun Chung, Yannis K. Semertzidis, Yasunobu Nakamura

arxiv:2101.08496 v1 · 2021-01-21 · cond-mat.supr-con · astro-ph.IM · hep-ex

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{72IBDFLDH6MS2JIY62FT62JNKA}

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	2026-07-05T03:04:20.513104Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe901195633f992d2518f68b3f692d5015a06187eede1ed900914c21112b5140

Aliases

arxiv: 2101.08496 · arxiv_version: 2101.08496v1 · doi: 10.48550/arxiv.2101.08496 · pith_short_12: 72IBDFLDH6MS · pith_short_16: 72IBDFLDH6MS2JIY · pith_short_8: 72IBDFLD

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/72IBDFLDH6MS2JIY62FT62JNKA \
  | 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: fe901195633f992d2518f68b3f692d5015a06187eede1ed900914c21112b5140

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf8ff7978588303171e518d218e889a9d88e51405aac092a96489d43536283a9",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "hep-ex"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2021-01-21T08:30:43Z",
    "title_canon_sha256": "4f776cf98aed62fdf994c739dcec3c74b8d11869c6c882d608046613b354b2b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.08496",
    "kind": "arxiv",
    "version": 1
  }
}