Pith Number

pith:D2WA7XRF

pith:2020:D2WA7XRFQPJXPSLLA5BMRFIP6P

not attested not anchored not stored refs pending

Chirp Mass and Spin of Binary Black Holes from First Star Remnants

Hiroyuki Nakano, Takashi Nakamura, Tomoya Kinugawa

arxiv:2005.09795 v2 · 2020-05-19 · astro-ph.HE · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D2WA7XRFQPJXPSLLA5BMRFIP6P}

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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

1 paper in Pith

An analytical joint prior for effective spins for inference on the spin distribution of binary black holes

Receipt and verification

First computed	2026-07-05T01:38:37.185504Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1eac0fde2583d377c96b0742c8950ff3f258534043064bfb480ef3d2cd46931f

Aliases

arxiv: 2005.09795 · arxiv_version: 2005.09795v2 · doi: 10.48550/arxiv.2005.09795 · pith_short_12: D2WA7XRFQPJX · pith_short_16: D2WA7XRFQPJXPSLL · pith_short_8: D2WA7XRF

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/D2WA7XRFQPJXPSLLA5BMRFIP6P \
  | 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: 1eac0fde2583d377c96b0742c8950ff3f258534043064bfb480ef3d2cd46931f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28e0585c0de32da34184e91babf0027e662b4b2b5920d89124cbc900e33f4b96",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2020-05-19T23:53:03Z",
    "title_canon_sha256": "c92a243c24f9996f9a7cac896ab4eecea3c43d19e083efffcfb5b0c5559fd2a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.09795",
    "kind": "arxiv",
    "version": 2
  }
}