Pith Number

pith:WZWGU2QV

pith:2014:WZWGU2QVC2VBCSDMXOU3BDS2FN

not attested not anchored not stored refs pending

Photon Generation from Quantum Vacuum using a Josephson Metamaterial

G. S. Paraoanu, J. Hassel, P. J. Hakonen, P. L\"ahteenm\"aki

arxiv:1401.7875 v1 · 2014-01-30 · cond-mat.mes-hall · gr-qc · quant-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{WZWGU2QVC2VBCSDMXOU3BDS2FN}

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	2026-05-18T03:00:38.093572Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b66c6a6a1516aa11486cbba9b08e5a2b6bd69017dc740b8876f406cbabce349f

Aliases

arxiv: 1401.7875 · arxiv_version: 1401.7875v1 · doi: 10.48550/arxiv.1401.7875 · pith_short_12: WZWGU2QVC2VB · pith_short_16: WZWGU2QVC2VBCSDM · pith_short_8: WZWGU2QV

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/WZWGU2QVC2VBCSDMXOU3BDS2FN \
  | 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: b66c6a6a1516aa11486cbba9b08e5a2b6bd69017dc740b8876f406cbabce349f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "123b70589497eff67dc36d84726a62ecfbeed0888c7fd94971fe44cea551a156",
    "cross_cats_sorted": [
      "gr-qc",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2014-01-30T15:16:20Z",
    "title_canon_sha256": "d2f4cf18ef0fd2f2e0c60095761ab17321b6b11d9214c22f34cc992b1b32f6cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.7875",
    "kind": "arxiv",
    "version": 1
  }
}