Pith Number

pith:EDGPJCWE

pith:2020:EDGPJCWEQVIB6NPGWJAUNKP5D7

not attested not anchored not stored refs pending

Zel'dovich amplification in a superconducting circuit

Andrea Vinante, Daniele Faccio, Giulio Gasbarri, Hendrik Ulbricht, Maria Chiara Braidotti

arxiv:2005.03705 v2 · 2020-05-05 · physics.class-ph · physics.app-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{EDGPJCWEQVIB6NPGWJAUNKP5D7}

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	2026-07-05T01:40:28.483082Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20ccf48ac485501f35e6b24146a9fd1fe716fb35d0f42b943652435abead0ea7

Aliases

arxiv: 2005.03705 · arxiv_version: 2005.03705v2 · doi: 10.48550/arxiv.2005.03705 · pith_short_12: EDGPJCWEQVIB · pith_short_16: EDGPJCWEQVIB6NPG · pith_short_8: EDGPJCWE

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/EDGPJCWEQVIB6NPGWJAUNKP5D7 \
  | 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: 20ccf48ac485501f35e6b24146a9fd1fe716fb35d0f42b943652435abead0ea7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b20477787e8196da3f957b02152c2067a351f01d77fc0f56cff6fb5f1193334b",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2020-05-05T11:02:48Z",
    "title_canon_sha256": "3eda5d554b16314fdf2b561f039305ecb674e44c11467f1d5c9c4eb503633d62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.03705",
    "kind": "arxiv",
    "version": 2
  }
}