Pith Number

pith:T7753OQ2

pith:2012:T7753OQ2BP3EBKTBRQE7XYKCR5

not attested not anchored not stored refs pending

Nonclassical photon pair production in a voltage-biased Josephson junction

G\"oran Johansson, Juha Lepp\"akangas, Michael Marthaler, Mikael Fogelstr\"om

arxiv:1210.6276 v2 · 2012-10-23 · cond-mat.mes-hall · 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{T7753OQ2BP3EBKTBRQE7XYKCR5}

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	2026-05-18T03:19:35.160658Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9fffddba1a0bf640aa618c09fbe1428f79316f1335c23f852def92bcda9b55af

Aliases

arxiv: 1210.6276 · arxiv_version: 1210.6276v2 · doi: 10.48550/arxiv.1210.6276 · pith_short_12: T7753OQ2BP3E · pith_short_16: T7753OQ2BP3EBKTB · pith_short_8: T7753OQ2

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/T7753OQ2BP3EBKTBRQE7XYKCR5 \
  | 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: 9fffddba1a0bf640aa618c09fbe1428f79316f1335c23f852def92bcda9b55af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85df1392c3657f84aa9d63360f99eedeea4f31a83f743fed02fb17b781740eac",
    "cross_cats_sorted": [
      "cond-mat.supr-con"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2012-10-23T15:59:14Z",
    "title_canon_sha256": "522e31ad45eaaf33d641a86fffb9cecee531233439334161c3965f4a49b8d3b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.6276",
    "kind": "arxiv",
    "version": 2
  }
}