Pith Number

pith:GKKDF54G

pith:2019:GKKDF54GRDBLNZCZPW5UCP7PS4

not attested not anchored not stored refs pending

Unraveling the origin of black holes from effective spin measurements with LIGO-Virgo

Nicolas Fernandez, Stefano Profumo

arxiv:1905.13019 v2 · 2019-05-23 · astro-ph.HE · 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{GKKDF54GRDBLNZCZPW5UCP7PS4}

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

2 papers in Pith

Primordial Black Holes: A Review of Formation and Evolution

Primordial Black Holes as Dark Matter: Recent Developments

Receipt and verification

First computed	2026-07-04T23:58:57.735160Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

329432f78688c2b6e4597dbb413fef97129ca4881e89ac41bafc290371a9607b

Aliases

arxiv: 1905.13019 · arxiv_version: 1905.13019v2 · doi: 10.48550/arxiv.1905.13019 · pith_short_12: GKKDF54GRDBL · pith_short_16: GKKDF54GRDBLNZCZ · pith_short_8: GKKDF54G

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/GKKDF54GRDBLNZCZPW5UCP7PS4 \
  | 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: 329432f78688c2b6e4597dbb413fef97129ca4881e89ac41bafc290371a9607b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a87bf0ecb4e9e26900daba3ad285b2ec13b2735981c542e8fe8617f17b63583",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-05-23T18:00:03Z",
    "title_canon_sha256": "525223ca6fc39b16237d73b82fb40e54f8e1c421842d0d6102e386adfd6b4c37"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.13019",
    "kind": "arxiv",
    "version": 2
  }
}