Pith Number

pith:X436OGYV

pith:2005:X436OGYVUINXCYLV5LOHTND36Y

not attested not anchored not stored refs pending

Estimating Black Hole Masses in Active Galaxies Using the Halpha Emission Line

Jenny E. Greene (CfA), Luis C. Ho (Carnegie Observatories)

arxiv:astro-ph/0508335 v1 · 2005-08-15 · astro-ph

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X436OGYVUINXCYLV5LOHTND36Y}

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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

34 papers in Pith

Beyond traditional emission-line diagnostics: using autoencoders to uncover active galactic nuclei in DESI spectra

First detection of ultra-fast outflows in a quiescent galaxy

Extreme outflow velocities and weak UV emission lines indicate quasars shedding their dust cocoons

Little Red Dots at z~2 in EIGER reveal a gentle decline with respect to their peak number density at z~5

The metallicities of little red dot host galaxies: LRDs are metal poor, but not pristine

Receipt and verification

First computed	2026-07-04T17:15:01.068361Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf37e71b15a21b716175eadc79b47bf600db86161b838d247eb6a99f4a510bb1

Aliases

arxiv: astro-ph/0508335 · arxiv_version: astro-ph/0508335v1 · doi: 10.48550/arxiv.astro-ph/0508335 · pith_short_12: X436OGYVUINX · pith_short_16: X436OGYVUINXCYLV · pith_short_8: X436OGYV

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/X436OGYVUINXCYLV5LOHTND36Y \
  | 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: bf37e71b15a21b716175eadc79b47bf600db86161b838d247eb6a99f4a510bb1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "026e97d72b450db537b3d3167e942cd8896d12a6bf6305c7775affb37195e506",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-08-15T20:04:17Z",
    "title_canon_sha256": "dddaf4ca5f75bac26824a079666f6548d1360196d91738c80b0fd086e8805e04"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0508335",
    "kind": "arxiv",
    "version": 1
  }
}