Pith Number

pith:OSUQJLIE

pith:2019:OSUQJLIEJW3JRUJVQTURN46C42

not attested not anchored not stored refs pending

Supermassive Black Holes in the Early Universe

Aaron Smith, Volker Bromm

arxiv:1904.12890 v1 · 2019-04-29 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OSUQJLIEJW3JRUJVQTURN46C42}

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

2 papers in Pith

Direct Collapse Black Hole Candidates from Decaying Dark Matter

A Unified Dark-Matter--Driven Relativistic Bondi Route to Black-Hole Growth from Stellar to Supermassive Scales

Receipt and verification

First computed	2026-05-17T23:39:35.288975Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74a904ad044db698d13584e916f3c2e6a30aed20e69b1cc0e57818a800e1ba4f

Aliases

arxiv: 1904.12890 · arxiv_version: 1904.12890v1 · doi: 10.48550/arxiv.1904.12890 · pith_short_12: OSUQJLIEJW3J · pith_short_16: OSUQJLIEJW3JRUJV · pith_short_8: OSUQJLIE

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/OSUQJLIEJW3JRUJVQTURN46C42 \
  | 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: 74a904ad044db698d13584e916f3c2e6a30aed20e69b1cc0e57818a800e1ba4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41be1730797714bcb38d9a95f8fd3cee930ec4e53b2742620787a54c6bac625e",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-04-29T18:19:10Z",
    "title_canon_sha256": "29fde4c2dcdbddf3d8dacc0b24f5f4de70a27907af4f4d3b1aad0d73bfcf7824"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.12890",
    "kind": "arxiv",
    "version": 1
  }
}