Pith Number

pith:EWHKFHWN

pith:2003:EWHKFHWNW5GKJW3F3JC5PEJJDW

not attested not anchored not stored refs pending

Noise reduction in gravitational wave interferometers using feedback

David Vitali, Michele Punturo, Paolo Amico, Paolo Tombesi, Stefano Mancini

arxiv:gr-qc/0311061 v2 · 2003-11-19 · 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{EWHKFHWNW5GKJW3F3JC5PEJJDW}

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	2026-07-04T14:48:11.562348Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

258ea29ecdb74ca4db65da45d791291dab8204ce5cc9bce08319f99155470175

Aliases

arxiv: gr-qc/0311061 · arxiv_version: gr-qc/0311061v2 · doi: 10.48550/arxiv.gr-qc/0311061 · pith_short_12: EWHKFHWNW5GK · pith_short_16: EWHKFHWNW5GKJW3F · pith_short_8: EWHKFHWN

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/EWHKFHWNW5GKJW3F3JC5PEJJDW \
  | 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: 258ea29ecdb74ca4db65da45d791291dab8204ce5cc9bce08319f99155470175

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c00b6bf89adcbdb31552fa97ac8bbe8a8c74e67f817df2355f508d45c6e36b3",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2003-11-19T10:20:28Z",
    "title_canon_sha256": "4d5e231196d1bd26e31e5399ca2f2ddee2fab9890e55579a856029e68896c9d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0311061",
    "kind": "arxiv",
    "version": 2
  }
}