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Pith Number

pith:7NZPS6N7

pith:2004:7NZPS6N7JHSHFIGRYKOHG6VTZ6
not attested not anchored not stored refs pending

Formation of the Black Holes in the Highest Redshift Quasars

Jaiyul Yoo, Jordi Miralda-Escude (The Ohio State University)

arxiv:astro-ph/0406217 v2 · 2004-06-09 · astro-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{7NZPS6N7JHSHFIGRYKOHG6VTZ6}

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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

Receipt and verification
First computed 2026-07-04T16:43:58.159339Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

fb72f979bf49e472a0d1c29c737ab3cf9a1ff52d7bf18c3803ba8dc7ed663e51

Aliases

arxiv: astro-ph/0406217 · arxiv_version: astro-ph/0406217v2 · doi: 10.48550/arxiv.astro-ph/0406217 · pith_short_12: 7NZPS6N7JHSH · pith_short_16: 7NZPS6N7JHSHFIGR · pith_short_8: 7NZPS6N7
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/7NZPS6N7JHSHFIGRYKOHG6VTZ6 \
  | 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: fb72f979bf49e472a0d1c29c737ab3cf9a1ff52d7bf18c3803ba8dc7ed663e51
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "5e573ebb6ba3c57d014695ff9e05d88de64ada430e233572c0f5a2962d27ea49",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-06-09T14:26:40Z",
    "title_canon_sha256": "c6eba096e42bfe76ee4e6828cbfe05edc725b8fac208f2a9ade8353c668f0f37"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0406217",
    "kind": "arxiv",
    "version": 2
  }
}