Pith Number

pith:KOLIQRQS

pith:2025:KOLIQRQS7XG2CPWDEG277ROZFL

not attested not anchored not stored refs pending

Direct Collapse Supermassive Black Holes from Ultralight Dark Matter

Hao Jiao, Robert Brandenberger, Vahid Kamali

arxiv:2503.19414 v2 · 2025-03-25 · astro-ph.CO · astro-ph.GA · gr-qc · hep-ph · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KOLIQRQS7XG2CPWDEG277ROZFL}

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

Direct Collapse Black Hole Candidates from Decaying Dark Matter

Receipt and verification

First computed	2026-07-05T11:09:10.251853Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5396884612fdcda13ec321b5ffc5d92ad776beb4dcfe814fc1a202934e5e1128

Aliases

arxiv: 2503.19414 · arxiv_version: 2503.19414v2 · doi: 10.48550/arxiv.2503.19414 · pith_short_12: KOLIQRQS7XG2 · pith_short_16: KOLIQRQS7XG2CPWD · pith_short_8: KOLIQRQS

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/KOLIQRQS7XG2CPWDEG277ROZFL \
  | 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: 5396884612fdcda13ec321b5ffc5d92ad776beb4dcfe814fc1a202934e5e1128

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72e111b14ee93f99cb0c2b0b43ccfb251870d28584bf43dd59b81ec80e70eeb7",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "gr-qc",
      "hep-ph",
      "hep-th"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2025-03-25T07:48:47Z",
    "title_canon_sha256": "6991bb61334761c2ca05f4069ba62d886548d5cab5dce1c60b60a0aa80a45555"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.19414",
    "kind": "arxiv",
    "version": 2
  }
}