Pith Number

pith:H6H7AR5O

pith:2001:H6H7AR5O2QTOFOJLAI3SOSQT3Z

not attested not anchored not stored refs pending

The noise in gravitational-wave detectors and other classical-force measurements is not influenced by test-mass quantization

(2) Texas A&M University, (3) California Institute of Technology), Andrey B. Matsko (2), Farid Ya. Khalili (1), Kip S. Thorne (3), Mikhail L. Gorodetsky (1), Sergey P. Vyatchanin (1) ((1) Moscow State University, Vladimir B. Braginsky (1)

arxiv:gr-qc/0109003 v3 · 2001-09-02 · gr-qc · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H6H7AR5O2QTOFOJLAI3SOSQT3Z}

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	2026-07-04T16:26:57.186906Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f8ff047aed426e2b92b0237274a13de5fbf4a0f7eade433c6f14eb360f4729a

Aliases

arxiv: gr-qc/0109003 · arxiv_version: gr-qc/0109003v3 · doi: 10.48550/arxiv.gr-qc/0109003 · pith_short_12: H6H7AR5O2QTO · pith_short_16: H6H7AR5O2QTOFOJL · pith_short_8: H6H7AR5O

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/H6H7AR5O2QTOFOJLAI3SOSQT3Z \
  | 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: 3f8ff047aed426e2b92b0237274a13de5fbf4a0f7eade433c6f14eb360f4729a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49318f6319c20470674e67410eee7157b70ab643ff1e414ea474aad02c2d7199",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2001-09-02T22:01:11Z",
    "title_canon_sha256": "8e6f3fea51f22d42eb8d99763264e7dada6da6c4989fc9421d51f11dd44a7778"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0109003",
    "kind": "arxiv",
    "version": 3
  }
}