Pith Number

pith:IXBBGSVS

pith:2019:IXBBGSVSAC4ECJNZ7X7P76FQK2

not attested not anchored not stored refs pending

The Formation of a 70 Msun Black Hole at High Metallicity

A. Heger, E.A. Kaiser, J. Casares, Jifeng Liu, K. Belczynski, R. Hirschi, R. O'Shaughnessy, R. Soria, S. Justham, Youjun Lu

arxiv:1911.12357 v4 · 2019-11-27 · 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{IXBBGSVSAC4ECJNZ7X7P76FQK2}

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

Second-Generation Mass Peak in the Gravitational-Wave Population as a Probe of Globular Clusters

Receipt and verification

First computed	2026-07-05T00:43:42.890259Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45c2134ab200b84125b9fdfefff8b056b00b9ef22b91f62e13f7da5389068d6f

Aliases

arxiv: 1911.12357 · arxiv_version: 1911.12357v4 · doi: 10.48550/arxiv.1911.12357 · pith_short_12: IXBBGSVSAC4E · pith_short_16: IXBBGSVSAC4ECJNZ · pith_short_8: IXBBGSVS

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/IXBBGSVSAC4ECJNZ7X7P76FQK2 \
  | 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: 45c2134ab200b84125b9fdfefff8b056b00b9ef22b91f62e13f7da5389068d6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7954dbaaf5b780859dbcf7283d69b0148042fcff623c0bf0b34eca41018f7f8b",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-11-27T18:58:13Z",
    "title_canon_sha256": "84f73a4ee137280f86718982d3fbb3218ed22a24c870f8536bd67da47769acbf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.12357",
    "kind": "arxiv",
    "version": 4
  }
}