Pith Number

pith:SDAI52IG

pith:2000:SDAI52IGJIKGGH4IHAB2JG5E34

not attested not anchored not stored refs pending

Active controls in interferometric detectors of gravitational waves: inertial damping of the VIRGO superattenuator

Giovanni Losurdo

arxiv:gr-qc/0002006 v2 · 2000-02-02 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SDAI52IGJIKGGH4IHAB2JG5E34}

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	2026-05-18T00:37:00.284072Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90c08ee9064a14631f883803a49ba4df0b5d7a73b97783a34317e2fafaf0d039

Aliases

arxiv: gr-qc/0002006 · arxiv_version: gr-qc/0002006v2 · doi: 10.48550/arxiv.gr-qc/0002006 · pith_short_12: SDAI52IGJIKG · pith_short_16: SDAI52IGJIKGGH4I · pith_short_8: SDAI52IG

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/SDAI52IGJIKGGH4IHAB2JG5E34 \
  | 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: 90c08ee9064a14631f883803a49ba4df0b5d7a73b97783a34317e2fafaf0d039

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3004a10f73d1cc9086503b9cda9d30e461a40a357de4dc241b6938124589633e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2000-02-02T12:51:09Z",
    "title_canon_sha256": "b6c4fa54d6c3a8127b9be714120b8cc3e88109cc37deab86c6de16f267202083"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0002006",
    "kind": "arxiv",
    "version": 2
  }
}