Pith Number

pith:MDTY3KYQ

pith:2025:MDTY3KYQOI7XUBJVGFMYA3FOOY

not attested not anchored not stored refs pending

Predicting the number density of heavy seed massive black holes due to an intense Lyman-Werner field

(2) Georgia Institute of Technology, (3) University of Toledo, (4) Como Lake Center for Astrophysics, 5, (5) INAF Astronomical Observatory of Rome, 6), (6) Sapienza University of Rome, (7) University of California), Alessandro Trinca (4, Eli Visbal (3), Hannah O'Brennan (1), Joe McCaffrey (1), John A. Regan (1), John Brennan (1), John H. Wise (2), Michael L. Norman (7) ((1) Maynooth University

arxiv:2502.00574 v2 · 2025-02-01 · astro-ph.CO · 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{MDTY3KYQOI7XUBJVGFMYA3FOOY}

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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

Direct Collapse Black Hole Candidates from Decaying Dark Matter

Receipt and verification

First computed	2026-07-05T11:34:46.942279Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

60e78dab10723f7a05353159806cae7626478e241e3f9778f975a9fc8280caba

Aliases

arxiv: 2502.00574 · arxiv_version: 2502.00574v2 · doi: 10.48550/arxiv.2502.00574 · pith_short_12: MDTY3KYQOI7X · pith_short_16: MDTY3KYQOI7XUBJV · pith_short_8: MDTY3KYQ

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/MDTY3KYQOI7XUBJVGFMYA3FOOY \
  | 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: 60e78dab10723f7a05353159806cae7626478e241e3f9778f975a9fc8280caba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5509a2d6d33b5588dbbfdab898772267b7443814e0f1fb75d73dccd77b165e0",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2025-02-01T21:58:20Z",
    "title_canon_sha256": "51f7ea62821f661385bfe756c341654862337900622e31e06f87a53595d019f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.00574",
    "kind": "arxiv",
    "version": 2
  }
}