Pith Number

pith:22KYK7XQ

pith:2025:22KYK7XQ7VUJ4I7VX6FT4Z42ZR

not attested not anchored not stored refs pending

The Long Road to Alignment: Measuring Black Hole Spin Orientation with Expanding Gravitational-Wave Datasets

Matthew Mould, Salvatore Vitale

arxiv:2505.14875 v2 · 2025-05-20 · 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{22KYK7XQ7VUJ4I7VX6FT4Z42ZR}

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

4 papers in Pith

A new group of low-spin $50-70M_\odot$ Black Holes and the high pair-instability mass cutoff

Measurement prospects for the pair-instability mass cutoff with gravitational waves

Posterior Predictive Checks for Gravitational-wave Populations: Limitations and Improvements

GWTC-4.0: Population Properties of Merging Compact Binaries

Receipt and verification

First computed	2026-07-05T11:08:21.260087Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d695857ef0fd689e23f5bf8b3e679acc40b75fabd2598b6130e381ce1dce92c3

Aliases

arxiv: 2505.14875 · arxiv_version: 2505.14875v2 · doi: 10.48550/arxiv.2505.14875 · pith_short_12: 22KYK7XQ7VUJ · pith_short_16: 22KYK7XQ7VUJ4I7V · pith_short_8: 22KYK7XQ

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/22KYK7XQ7VUJ4I7VX6FT4Z42ZR \
  | 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: d695857ef0fd689e23f5bf8b3e679acc40b75fabd2598b6130e381ce1dce92c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c68956b06782da2203ebb69588d22afcf6a990b52fe3f00f7f8912b11d8f09b",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2025-05-20T20:04:30Z",
    "title_canon_sha256": "ad894b73c39de0e88561bb8e12513959197de177579998b4c8461806067a3b01"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.14875",
    "kind": "arxiv",
    "version": 2
  }
}