Pith Number

pith:6NUIEA5A

pith:2025:6NUIEA5A3TUPRNPZNIDTG57V73

not attested not anchored not stored refs pending

A rapid channel for the collisional formation and gravitational wave driven mergers of supermassive black hole seeds at high redshift

Antti Rantala, Thorsten Naab

arxiv:2503.21879 v2 · 2025-03-27 · 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{6NUIEA5A3TUPRNPZNIDTG57V73}

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

Outflows in super-Eddington quasars drive clumpy circumgalactic medium and extended H$\alpha$ nebulae at $z \gtrsim 6$

Receipt and verification

First computed	2026-07-05T12:05:15.276398Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3688203a0dce8f8b5f96a073377f5feea5d2fb2958bd29e5fa9c3b393ed7b2f

Aliases

arxiv: 2503.21879 · arxiv_version: 2503.21879v2 · doi: 10.48550/arxiv.2503.21879 · pith_short_12: 6NUIEA5A3TUP · pith_short_16: 6NUIEA5A3TUPRNPZ · pith_short_8: 6NUIEA5A

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/6NUIEA5A3TUPRNPZNIDTG57V73 \
  | 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: f3688203a0dce8f8b5f96a073377f5feea5d2fb2958bd29e5fa9c3b393ed7b2f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13bb18f9be68374647c5991c09b730ab4375e7268389c6c430d38a82215f44f4",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-03-27T18:00:12Z",
    "title_canon_sha256": "7b339ef5d3106f46b16f6cbca460fe45ee2ac5d85b9ea0adcf65150135b3a38a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.21879",
    "kind": "arxiv",
    "version": 2
  }
}