Pith Number

pith:ZJPNAHXW

pith:2013:ZJPNAHXWIVISJ5ZF6KFXJF6PSI

not attested not anchored not stored refs pending

Directional amplification with a Josephson circuit

Baleegh Abdo, Katrina Sliwa, Luigi Frunzio, Michel Devoret

arxiv:1302.4663 v1 · 2013-02-19 · cond-mat.supr-con · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZJPNAHXWIVISJ5ZF6KFXJF6PSI}

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	2026-05-18T03:18:18.372106Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca5ed01ef6455124f725f28b7497cf9205775b7e2da4532c46b6c7cadd6c2258

Aliases

arxiv: 1302.4663 · arxiv_version: 1302.4663v1 · doi: 10.48550/arxiv.1302.4663 · pith_short_12: ZJPNAHXWIVIS · pith_short_16: ZJPNAHXWIVISJ5ZF · pith_short_8: ZJPNAHXW

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/ZJPNAHXWIVISJ5ZF6KFXJF6PSI \
  | 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: ca5ed01ef6455124f725f28b7497cf9205775b7e2da4532c46b6c7cadd6c2258

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ccce09c9f64e327bd4ed51be027b304d22a040c5a0e3eca7127946225145b1f",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2013-02-19T16:35:09Z",
    "title_canon_sha256": "1a5ce7fd38fd9725eab199ba370abcc939dc24f095f0b1a50aed17bfa6c3680a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.4663",
    "kind": "arxiv",
    "version": 1
  }
}