Pith Number

pith:Q74OTH5D

pith:2013:Q74OTH5D2XNN7NHGLR2K3PKDVE

not attested not anchored not stored refs pending

A New Class of Optical Beams for Large Baseline Interferometric Gravitational Wave Detectors

David J. Ottaway, Stefan W. Ballmer

arxiv:1306.0972 v4 · 2013-06-05 · gr-qc · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q74OTH5D2XNN7NHGLR2K3PKDVE}

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	2026-05-18T03:11:46.547500Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87f8e99fa3d5dadfb4e65c74adbd43a90c8980a47d3fdc2d73557dbbe24e1c50

Aliases

arxiv: 1306.0972 · arxiv_version: 1306.0972v4 · doi: 10.48550/arxiv.1306.0972 · pith_short_12: Q74OTH5D2XNN · pith_short_16: Q74OTH5D2XNN7NHG · pith_short_8: Q74OTH5D

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/Q74OTH5D2XNN7NHGLR2K3PKDVE \
  | 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: 87f8e99fa3d5dadfb4e65c74adbd43a90c8980a47d3fdc2d73557dbbe24e1c50

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "afbc7fd53fcdbbc2cd1a3788c2eab78761d8341ad5623aeb322a3fdba73b92f3",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-06-05T03:36:48Z",
    "title_canon_sha256": "43a9fde51c12ab2a347329f87b7eada9452bc4537efc9aeb09a9a3bcc6d91f94"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.0972",
    "kind": "arxiv",
    "version": 4
  }
}