Pith Number

pith:UFXSR75M

pith:2026:UFXSR75MRDTKYQTFOGEB6OGYL3

not attested not anchored not stored refs pending

Supermassive Black Hole Assembly from Heavy Seeds with Dynamical Friction in the BRAHMA Simulations: Implications for JWST, LISA, and the Local Universe

Aklant K. Bhowmick, Alex M. Garcia, Lars Hernquist, Laura Blecha, Luke Zoltan Kelley, Mark Vogelsberger, Paul Torrey, Priyamvada Natarajan, Rachel S. Somerville, Rainer Weinberger, Tiziana Di Matteo

arxiv:2606.12851 v1 · 2026-06-11 · 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{UFXSR75MRDTKYQTFOGEB6OGYL3}

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	2026-06-12T01:08:54.369016Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a16f28ffac88e6ac426571881f38d85ec9690e47a3644c6e6c907c6d1a729407

Aliases

arxiv: 2606.12851 · arxiv_version: 2606.12851v1 · doi: 10.48550/arxiv.2606.12851 · pith_short_12: UFXSR75MRDTK · pith_short_16: UFXSR75MRDTKYQTF · pith_short_8: UFXSR75M

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/UFXSR75MRDTKYQTFOGEB6OGYL3 \
  | 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: a16f28ffac88e6ac426571881f38d85ec9690e47a3644c6e6c907c6d1a729407

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1570262dfd4296161f5e29e6453f5f86bc7b58db5e6e9bc69f9e93c91253f121",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-06-11T03:32:59Z",
    "title_canon_sha256": "00e75c0a9b31f1614b11c7d1d1cc7cc033fba595d3b6bdb68e659f2f6002a45f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.12851",
    "kind": "arxiv",
    "version": 1
  }
}