Pith Number

pith:E5FVRGZN

pith:2021:E5FVRGZN63Q3EMMPI5HR3B3TR5

not attested not anchored not stored refs pending

Breaching the limit: formation of GW190521-like and IMBH mergers in young massive clusters

Francesco Paolo Rizzuto, Jeremiah Ostriker, Manuel Arca Sedda, Mirek Giersz, Rainer Spurzem, Thorsten Naab

arxiv:2105.07003 v2 · 2021-05-14 · astro-ph.GA · 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{E5FVRGZN63Q3EMMPI5HR3B3TR5}

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

GW231123: A Possible Primordial Black Hole Origin

Receipt and verification

First computed	2026-07-05T03:25:55.400586Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

274b589b2df6e1b2318f474f1d87738f6a74a22aa7531d08cd31f8ac647cddfe

Aliases

arxiv: 2105.07003 · arxiv_version: 2105.07003v2 · doi: 10.48550/arxiv.2105.07003 · pith_short_12: E5FVRGZN63Q3 · pith_short_16: E5FVRGZN63Q3EMMP · pith_short_8: E5FVRGZN

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/E5FVRGZN63Q3EMMPI5HR3B3TR5 \
  | 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: 274b589b2df6e1b2318f474f1d87738f6a74a22aa7531d08cd31f8ac647cddfe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e09119c8748c7263bc2036164229dcec37e47f901ed03c765ef6a729164c007",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-05-14T18:00:01Z",
    "title_canon_sha256": "560670f79657796ef3740f1a8ce397c266d50ffb418328e56998670bc9afd5d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.07003",
    "kind": "arxiv",
    "version": 2
  }
}