pith. sign in
Pith Number

pith:HXS22JQJ

pith:2018:HXS22JQJSD2DPMN5AZQCP7EINM
not attested not anchored not stored refs pending

Broad-Band Negative Refraction via Simultaneous Multi-Electron Transitions

Franco Nori, Fu-Guo Deng, Jie-Xing Zhao, Jing-Jing Cheng, Qing Ai, Tao Liu, Ying-Qi Chu

arxiv:1807.02304 v1 · 2018-07-06 · physics.optics · cond-mat.mes-hall · physics.atom-ph · quant-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{HXS22JQJSD2DPMN5AZQCP7EINM}

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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 2026-05-17T23:55:29.208129Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

3de5ad260990f437b1bd066027fc886b19452c05f9eab6631764ff03905bed79

Aliases

arxiv: 1807.02304 · arxiv_version: 1807.02304v1 · doi: 10.48550/arxiv.1807.02304 · pith_short_12: HXS22JQJSD2D · pith_short_16: HXS22JQJSD2DPMN5 · pith_short_8: HXS22JQJ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/HXS22JQJSD2DPMN5AZQCP7EINM \
  | 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: 3de5ad260990f437b1bd066027fc886b19452c05f9eab6631764ff03905bed79
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "f86f1b457a6ad776ea88819d60b81732e08dbc06d12468996b18767d42b7d6b9",
    "cross_cats_sorted": [
      "cond-mat.mes-hall",
      "physics.atom-ph",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2018-07-06T08:14:31Z",
    "title_canon_sha256": "f215cb9bed7537a3be2af141c49999571f71fd64f4fe47706cc8b4ea201afa1d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.02304",
    "kind": "arxiv",
    "version": 1
  }
}