Pith Number

pith:LUGCFM44

pith:2010:LUGCFM44NHYHOZDR4VMBR7K22F

not attested not anchored not stored refs pending

Realization of a monolithic high-reflectivity cavity mirror from a single silicon crystal

Andreas T\"unnermann, Daniel Friedrich, Ernst-Bernhard Kley, Frank Br\"uckner, Karsten Danzmann, Michael Britzger, Oliver Burmeister, Roman Schnabel, Tina Clausnitzer

arxiv:1004.2641 v1 · 2010-04-14 · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LUGCFM44NHYHOZDR4VMBR7K22F}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:08:05.150210Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d0c22b39c69f0776471e55818fd5ad168c8bd82890bc1f50ea26935e06a4b45

Aliases

arxiv: 1004.2641 · arxiv_version: 1004.2641v1 · doi: 10.48550/arxiv.1004.2641 · pith_short_12: LUGCFM44NHYH · pith_short_16: LUGCFM44NHYHOZDR · pith_short_8: LUGCFM44

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/LUGCFM44NHYHOZDR4VMBR7K22F \
  | 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: 5d0c22b39c69f0776471e55818fd5ad168c8bd82890bc1f50ea26935e06a4b45

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2bd60a975a5a6fbba0457c6e2d9b7b5db50d3261839968183a61903500cdfa0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2010-04-14T13:33:26Z",
    "title_canon_sha256": "5143e59feb2f5640bb3ae9f48ee6786cd390a5d4c4c372f97a0a51dd8d4a6105"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.2641",
    "kind": "arxiv",
    "version": 1
  }
}