Pith Number

pith:BHKKSMZW

pith:2021:BHKKSMZWSP5EK4DQLYVKVFLOLQ

not attested not anchored not stored refs pending

Tests of Gravitational-Wave Birefringence with the Open Gravitational-Wave Catalog

Lijing Shao, Stephanie M. Brown, Wen Zhao, Yi-Fan Wang

arxiv:2109.09718 v4 · 2021-09-20 · astro-ph.HE · 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{BHKKSMZWSP5EK4DQLYVKVFLOLQ}

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.

Cited by

2 papers in Pith

Polarization Birefringence and Waveform Systematics in GW231123

Beyond FINDCHIRP: Breaking the memory wall and optimal FFTs for Gravitational-Wave Matched-Filter Searches with Ratio-Filter Dechirping

Receipt and verification

First computed	2026-07-05T05:07:34.950132Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

09d4a9333693fa4570705e2aaa956e5c1cfce0416ccf9e557bc5566104d171e5

Aliases

arxiv: 2109.09718 · arxiv_version: 2109.09718v4 · doi: 10.48550/arxiv.2109.09718 · pith_short_12: BHKKSMZWSP5E · pith_short_16: BHKKSMZWSP5EK4DQ · pith_short_8: BHKKSMZW

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/BHKKSMZWSP5EK4DQLYVKVFLOLQ \
  | 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: 09d4a9333693fa4570705e2aaa956e5c1cfce0416ccf9e557bc5566104d171e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "362eac5d7bcee3d888360125aa8f620b23261bf9a4f70542c3dca2846916ce39",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2021-09-20T17:50:41Z",
    "title_canon_sha256": "0c33f47357b0bdf556289e3b1410963733c838f88b0aafeceec02b636cdf3330"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.09718",
    "kind": "arxiv",
    "version": 4
  }
}