Pith Number

pith:5SURM3RY

pith:2021:5SURM3RYEL6XI5DJYI7OBVHVGC

not attested not anchored not stored refs pending

The Black Hole Mass Function Across Cosmic Times I. Stellar Black Holes and Light Seed Distribution

Alessandro Bressan, Alex Sicilia, Andrea Lapi, David M. Alexander, Francesco Shankar, Luigi Danese, Lumen Boco, Mario Spera, Michela Mapelli, Ugo N. di Carlo

arxiv:2110.15607 v1 · 2021-10-29 · astro-ph.GA · astro-ph.CO · 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{5SURM3RYEL6XI5DJYI7OBVHVGC}

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

Primordial black holes versus their impersonators at gravitational wave observatories

Receipt and verification

First computed	2026-07-05T03:49:23.635153Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eca9166e3822fd747469c23ee0d4f5309103966d287983ff3663e0bb21c74ac0

Aliases

arxiv: 2110.15607 · arxiv_version: 2110.15607v1 · doi: 10.48550/arxiv.2110.15607 · pith_short_12: 5SURM3RYEL6X · pith_short_16: 5SURM3RYEL6XI5DJ · pith_short_8: 5SURM3RY

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/5SURM3RYEL6XI5DJYI7OBVHVGC \
  | 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: eca9166e3822fd747469c23ee0d4f5309103966d287983ff3663e0bb21c74ac0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7df866ac0026ca0024e4d07bcf0cbe1db0c671b6664d55383e0d18b85682e7fb",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-10-29T08:16:06Z",
    "title_canon_sha256": "9b5c2001a1d2865ef45110fdbbeefe23036f755f7cc09be2a6091c2fbff6142d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.15607",
    "kind": "arxiv",
    "version": 1
  }
}