Pith Number

pith:L75T4VPT

pith:2011:L75T4VPTHCCRB2NRRJ2ZXBZDOD

not attested not anchored not stored refs pending

Formation of Massive Black Holes in Dense Star Clusters. II. IMF and Primordial Mass Segregation

Frederic A. Rasio, Matt Bierbaum, Sanghamitra Goswami, Stefan Umbreit

arxiv:1105.5884 v2 · 2011-05-30 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L75T4VPTHCCRB2NRRJ2ZXBZDOD}

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.

Receipt and verification

First computed	2026-05-18T02:01:46.394192Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ffb3e55f3388510e9b18a759b872370f34cfeddbd70919eb01d8496c946f19e

Aliases

arxiv: 1105.5884 · arxiv_version: 1105.5884v2 · doi: 10.48550/arxiv.1105.5884 · pith_short_12: L75T4VPTHCCR · pith_short_16: L75T4VPTHCCRB2NR · pith_short_8: L75T4VPT

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/L75T4VPTHCCRB2NRRJ2ZXBZDOD \
  | 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: 5ffb3e55f3388510e9b18a759b872370f34cfeddbd70919eb01d8496c946f19e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "391be1ecb16d8494dd82182b7aa986db27b4f34a879711903ca20f9c6edfa6a7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-05-30T07:22:07Z",
    "title_canon_sha256": "3b6f4105ded40f7ce12bdd2d73fe24de0342292c8d94076ce58db64d18eecbd5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.5884",
    "kind": "arxiv",
    "version": 2
  }
}