Pith Number

pith:HHB25GXU

pith:2017:HHB25GXUSMYOTSH6GH2PFITZY7

not attested not anchored not stored refs pending

Are LIGO's Black Holes Made From Smaller Black Holes?

Ben Farr, Daniel E. Holz, Maya Fishbach

arxiv:1703.06869 v3 · 2017-03-20 · 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{HHB25GXUSMYOTSH6GH2PFITZY7}

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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

9 papers in Pith

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

Disentangling spinning and nonspinning binary black hole populations with spin sorting

GW231123: A Possible Primordial Black Hole Origin

Confronting eikonal and post-Kerr methods with numerical evolution of scalar field perturbations in spacetimes beyond Kerr

GWTC-2.1: Deep Extended Catalog of Compact Binary Coalescences Observed by LIGO and Virgo During the First Half of the Third Observing Run

Receipt and verification

First computed	2026-05-18T00:43:15.540124Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39c3ae9af49330e9c8fe31f4f2a279c7ca36e6abc7ea3f9c2ab650b7a05516d2

Aliases

arxiv: 1703.06869 · arxiv_version: 1703.06869v3 · doi: 10.48550/arxiv.1703.06869 · pith_short_12: HHB25GXUSMYO · pith_short_16: HHB25GXUSMYOTSH6 · pith_short_8: HHB25GXU

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/HHB25GXUSMYOTSH6GH2PFITZY7 \
  | 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: 39c3ae9af49330e9c8fe31f4f2a279c7ca36e6abc7ea3f9c2ab650b7a05516d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36a63fc654b1b3ae3286987a3bc52d449985c0d7a4b9891838daffd07ce2a411",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-03-20T17:53:12Z",
    "title_canon_sha256": "deddbe032efb130a212fb06920749e0488ad540aa2c576085b5fe4fd75656a0c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.06869",
    "kind": "arxiv",
    "version": 3
  }
}