Pith Number

pith:RBR3UJSS

pith:2019:RBR3UJSSNYBZ4GCLXJYPUVWM3Q

not attested not anchored not stored refs pending

On the performance limits of coatings for gravitational wave detectors made of alternating layers of two materials

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

arxiv:1904.08250 v4 · 2019-04-16 · astro-ph.IM · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RBR3UJSSNYBZ4GCLXJYPUVWM3Q}

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	2026-05-17T23:39:24.360214Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8863ba26526e039e184bba70fa56ccdc3013f9378c2f431fb085f4aebdabcace

Aliases

arxiv: 1904.08250 · arxiv_version: 1904.08250v4 · doi: 10.48550/arxiv.1904.08250 · pith_short_12: RBR3UJSSNYBZ · pith_short_16: RBR3UJSSNYBZ4GCL · pith_short_8: RBR3UJSS

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/RBR3UJSSNYBZ4GCLXJYPUVWM3Q \
  | 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: 8863ba26526e039e184bba70fa56ccdc3013f9378c2f431fb085f4aebdabcace

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c8598345cb8dc7ab60aa22a985c71e488cb1eadbb3bfb7286a543dd739f897f",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-04-16T11:20:49Z",
    "title_canon_sha256": "17c50d3640a3a1c1abbc44bf1389cb9fea31f42d6be5c92db7fbe9b6f3f3bbf0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.08250",
    "kind": "arxiv",
    "version": 4
  }
}