Pith Number

pith:5F3D5JZZ

pith:2025:5F3D5JZZZXR5WTRAUVML56DGB2

not attested not anchored not stored refs pending

Origins of Supermassive Black Holes in Galactic Centers

Ke-Jung Chen

arxiv:2505.19039 v1 · 2025-05-25 · astro-ph.CO · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5F3D5JZZZXR5WTRAUVML56DGB2}

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

Robust {\mu}-distortion constraints on primordial supermassive black holes from cubic (gNL) non-Gaussian perturbations

Receipt and verification

First computed	2026-07-05T11:09:23.957293Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9763ea739cde3db4e20a558bef8660eab9b8d3fe8330c0fee13e43ac8c047d9

Aliases

arxiv: 2505.19039 · arxiv_version: 2505.19039v1 · doi: 10.48550/arxiv.2505.19039 · pith_short_12: 5F3D5JZZZXR5 · pith_short_16: 5F3D5JZZZXR5WTRA · pith_short_8: 5F3D5JZZ

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/5F3D5JZZZXR5WTRAUVML56DGB2 \
  | 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: e9763ea739cde3db4e20a558bef8660eab9b8d3fe8330c0fee13e43ac8c047d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec1d4860f353c6c8af93ac6ab78ef29e490ad99e10577bcced2bab5dca028bf4",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2025-05-25T08:39:10Z",
    "title_canon_sha256": "0a3669bc4886532075239ff4b34ef6ce7fc70cc3c0554fa9343a7971c911858a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.19039",
    "kind": "arxiv",
    "version": 1
  }
}