Pith Number

pith:JFP4B24T

pith:2004:JFP4B24TTQSMVOWXXQHONCBWL5

not attested not anchored not stored refs pending

Gravitational wave detectors based on matter wave interferometers (MIGO) are no better than laser interferometers (LIGO)

Albert Roura, B.L. Hu, Charles W. Misner, Dieter R. Brill, William D. Phillips

arxiv:gr-qc/0409002 v2 · 2004-08-31 · 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{JFP4B24TTQSMVOWXXQHONCBWL5}

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	2026-05-18T03:24:30.638673Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

495fc0eb939c24cabad7bc0ee688365f759a140419a026596291d5b74cc67a5b

Aliases

arxiv: gr-qc/0409002 · arxiv_version: gr-qc/0409002v2 · doi: 10.48550/arxiv.gr-qc/0409002 · pith_short_12: JFP4B24TTQSM · pith_short_16: JFP4B24TTQSMVOWX · pith_short_8: JFP4B24T

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/JFP4B24TTQSMVOWXXQHONCBWL5 \
  | 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: 495fc0eb939c24cabad7bc0ee688365f759a140419a026596291d5b74cc67a5b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c76f24642224e4c82546c61ce44ae04bcb20a1a6a3e23599e6034d972649cbe",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2004-08-31T23:07:07Z",
    "title_canon_sha256": "1eef9e84ef3048fa06012d5eec84f9b9632772b2db033671648d611d673b4281"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0409002",
    "kind": "arxiv",
    "version": 2
  }
}