Pith Number

pith:KE4OAYH5

pith:2019:KE4OAYH5FPUEH2VD7UY4VDDL5C

not attested not anchored not stored refs pending

Constraining alternative polarization states of gravitational waves from individual black hole binaries using pulsar timing arrays

Logan O'Beirne, Neil J. Cornish, Sarah J. Vigeland, Stephen R. Taylor

arxiv:1904.02744 v1 · 2019-04-04 · gr-qc · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KE4OAYH5FPUEH2VD7UY4VDDL5C}

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	2026-05-17T23:41:42.487732Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5138e060fd2be843eaa3fd31ca8c6be8ad22c70d1d0415068f86a33592eaeddd

Aliases

arxiv: 1904.02744 · arxiv_version: 1904.02744v1 · doi: 10.48550/arxiv.1904.02744 · pith_short_12: KE4OAYH5FPUE · pith_short_16: KE4OAYH5FPUEH2VD · pith_short_8: KE4OAYH5

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/KE4OAYH5FPUEH2VD7UY4VDDL5C \
  | 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: 5138e060fd2be843eaa3fd31ca8c6be8ad22c70d1d0415068f86a33592eaeddd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "904907603afe7aa8260a92a96b4127462c48351e1a73f89715c04d8f577d0c96",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-04-04T18:45:03Z",
    "title_canon_sha256": "fc6e0e2817d235e3a37b4e0b42ce07669a3fe29e89212f77eea6134bf3d22750"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.02744",
    "kind": "arxiv",
    "version": 1
  }
}