Pith Number

pith:IB4WCRG7

pith:2020:IB4WCRG7WJ7L5OXVH2H2RRCFIA

not attested not anchored not stored refs pending

Ternary Quarter Wavelength Coatings for Gravitational Wave Detector Mirrors: Design Optimization via Exhaustive Search

C. Di Giorgio, F. Bobba, F. Chiadini, G. Carapella, I. M. Pinto, J. Neilson, M. Principe, O. Durante, R. Fittipaldi, V. Fiumara, V. Granata, V. Pierro

arxiv:2012.02146 v5 · 2020-12-03 · physics.optics · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IB4WCRG7WJ7L5OXVH2H2RRCFIA}

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	2026-07-05T02:47:28.050115Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40796144dfb27ebebaf53e8fa8c44540211d463ad6dff685d330247351c5ad9d

Aliases

arxiv: 2012.02146 · arxiv_version: 2012.02146v5 · doi: 10.48550/arxiv.2012.02146 · pith_short_12: IB4WCRG7WJ7L · pith_short_16: IB4WCRG7WJ7L5OXV · pith_short_8: IB4WCRG7

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/IB4WCRG7WJ7L5OXVH2H2RRCFIA \
  | 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: 40796144dfb27ebebaf53e8fa8c44540211d463ad6dff685d330247351c5ad9d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f2950966580be235e321d21b5ddf9f41a82ab04f5979d5b28092087d1dd19d9",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2020-12-03T18:25:34Z",
    "title_canon_sha256": "831422a6e9360fdb410aeff93ee6af5ccca3199b897ffe530983889183d7e267"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.02146",
    "kind": "arxiv",
    "version": 5
  }
}