Pith Number

pith:6RNJLHR7

pith:2022:6RNJLHR7BTUGKYGPJQOYUGEQKT

not attested not anchored not stored refs pending

A Note on the Abundance of Primordial Black Holes: Use and Misuse of the Metric Curvature Perturbation

A. Riotto, V. De Luca

arxiv:2201.09008 v2 · 2022-01-22 · astro-ph.CO · gr-qc · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6RNJLHR7BTUGKYGPJQOYUGEQKT}

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

1 paper in Pith

Implications for Pulsar Timing Arrays of Sub-solar Black Hole Detections: From LVK to Einstein Telescope and Cosmic Explorer

Receipt and verification

First computed	2026-07-05T04:15:55.535518Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f45a959e3f0ce86560cf4c1d8a189054ef97cdd6534e0b47e215da3d26192ed3

Aliases

arxiv: 2201.09008 · arxiv_version: 2201.09008v2 · doi: 10.48550/arxiv.2201.09008 · pith_short_12: 6RNJLHR7BTUG · pith_short_16: 6RNJLHR7BTUGKYGP · pith_short_8: 6RNJLHR7

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/6RNJLHR7BTUGKYGPJQOYUGEQKT \
  | 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: f45a959e3f0ce86560cf4c1d8a189054ef97cdd6534e0b47e215da3d26192ed3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "492256b1194f0b45cc2d247321b125fd47ac42001fa034b28875e8a2d2d0ff29",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2022-01-22T09:34:01Z",
    "title_canon_sha256": "9af8a94e0bf0231b860a826bd10e07d5d857205327abadca17cad77ba722cf0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.09008",
    "kind": "arxiv",
    "version": 2
  }
}