Pith Number

pith:JTPSKFRS

pith:2022:JTPSKFRSPGLQAOK5XUI3X37NVS

not attested not anchored not stored refs pending

The Black Hole Mass Function Across Cosmic Times II. Heavy Seeds and (Super)Massive Black Holes

A. Bressan, A. Lapi, A. Sicilia, C. Villforth, D.M. Alexander, F. Shankar, L. Boco, L. Danese, M. Massardi, M. Spera, V. Allevato

arxiv:2206.07357 v1 · 2022-06-15 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JTPSKFRSPGLQAOK5XUI3X37NVS}

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	2026-07-05T04:45:23.539834Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4cdf251632799700395dbd11bbefedac98c5edbe0a6365dd57db58ffad1f198e

Aliases

arxiv: 2206.07357 · arxiv_version: 2206.07357v1 · doi: 10.48550/arxiv.2206.07357 · pith_short_12: JTPSKFRSPGLQ · pith_short_16: JTPSKFRSPGLQAOK5 · pith_short_8: JTPSKFRS

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/JTPSKFRSPGLQAOK5XUI3X37NVS \
  | 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: 4cdf251632799700395dbd11bbefedac98c5edbe0a6365dd57db58ffad1f198e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d8959716b66a0a96a213b0aede0403af1b2e80ddc722608e2eb7a62b55fc460",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-06-15T08:12:11Z",
    "title_canon_sha256": "998287de378d224d731813324b3988dcbf4a5d397a771e17316b0912bb91583a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2206.07357",
    "kind": "arxiv",
    "version": 1
  }
}