Pith Number

pith:QOHH7SQT

pith:2019:QOHH7SQTKCUWNXPLZUJCR4QIUM

not attested not anchored not stored refs pending

Design and experimental demonstration of a laser modulation system for future gravitational-wave detectors

Gui-Guo Ge, Keiko Kokeyama, Kentaro Somiya, Kiwamu Izumi, Kohei Yamamoto, Masayuki Nakano, Nobuyuki Fujii, Osamu Miyakawa, Takaaki Kajita, Takaaki Yokozawa, Takahiro Yamamoto, Tomoyuki Uehara, Yuta Fujikawa, Yuta Michimura, Yutaro Enomoto

arxiv:1908.05914 v1 · 2019-08-16 · astro-ph.IM · gr-qc · physics.ins-det

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QOHH7SQTKCUWNXPLZUJCR4QIUM}

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	2026-07-05T00:12:53.169392Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

838e7fca1350a966ddebcd1228f208a30e73620087ca9729e69043a7c6de46b5

Aliases

arxiv: 1908.05914 · arxiv_version: 1908.05914v1 · doi: 10.48550/arxiv.1908.05914 · pith_short_12: QOHH7SQTKCUW · pith_short_16: QOHH7SQTKCUWNXPL · pith_short_8: QOHH7SQT

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/QOHH7SQTKCUWNXPLZUJCR4QIUM \
  | 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: 838e7fca1350a966ddebcd1228f208a30e73620087ca9729e69043a7c6de46b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9ac1f1220860655e1f85a53a5304b2a29cc2c5f464442597f47b278965faa52",
    "cross_cats_sorted": [
      "gr-qc",
      "physics.ins-det"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-08-16T10:00:29Z",
    "title_canon_sha256": "dc88dc194c11e2e4bbdcba99c202213a571955de49af8d29db078af50f526cb6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.05914",
    "kind": "arxiv",
    "version": 1
  }
}