Pith Number

pith:4RIRB3PE

pith:2021:4RIRB3PEPJMZI442T2TP7EXJMF

not attested not anchored not stored refs pending

Active terahertz modulator and slow light metamaterial devices with hybrid graphene-superconductor photonic integrated circuits

Charles G. Smith, David A. Ritchie, Hannah J. Joyce, Harvey E. Beere, Kaveh Delfanazari, Majid Ghanaatshoar, Michael J. Kelly, Riccardo Degl'Innocenti, Robert Wallis, Samane Kalhor, Stephan Hofmann, Stephan J. Kindness

arxiv:2107.03677 v1 · 2021-07-08 · physics.optics · 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{4RIRB3PEPJMZI442T2TP7EXJMF}

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	2026-07-05T02:56:18.309809Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e45110ede47a5994739a9ea6ff92e9614688777cb5d654fb7be28930fcde3970

Aliases

arxiv: 2107.03677 · arxiv_version: 2107.03677v1 · doi: 10.48550/arxiv.2107.03677 · pith_short_12: 4RIRB3PEPJMZ · pith_short_16: 4RIRB3PEPJMZI442 · pith_short_8: 4RIRB3PE

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/4RIRB3PEPJMZI442T2TP7EXJMF \
  | 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: e45110ede47a5994739a9ea6ff92e9614688777cb5d654fb7be28930fcde3970

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "520eefae21911dfaa264d593ec41a8b8a3e7e675a94b877df19e8ffa2b913563",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2021-07-08T08:46:20Z",
    "title_canon_sha256": "d513fdb3db07ceec2fa8204b295794e5a48c4e0a5805da3e2f2acd4569bb351e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.03677",
    "kind": "arxiv",
    "version": 1
  }
}