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Pith Number

pith:ETFNBLIT

pith:2000:ETFNBLITE3LH45UFC4SPRC5NRM
not attested not anchored not stored refs pending

Evidence for Supermassive Black Holes in Active Galactic Nuclei from Emission-Line Reverberation

Amri Wandel, Bradley M. Peterson

arxiv:astro-ph/0007147 v1 · 2000-07-11 · astro-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{ETFNBLITE3LH45UFC4SPRC5NRM}

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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

2 papers in Pith

Receipt and verification
First computed 2026-07-04T15:48:11.673222Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

24cad0ad1326d67e76851724f88bad8b39b48f1bdc5fd347f1c5f10a1bbcd8d9

Aliases

arxiv: astro-ph/0007147 · arxiv_version: astro-ph/0007147v1 · doi: 10.48550/arxiv.astro-ph/0007147 · pith_short_12: ETFNBLITE3LH · pith_short_16: ETFNBLITE3LH45UF · pith_short_8: ETFNBLIT
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/ETFNBLITE3LH45UFC4SPRC5NRM \
  | 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: 24cad0ad1326d67e76851724f88bad8b39b48f1bdc5fd347f1c5f10a1bbcd8d9
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "7529c9ef27426ca6412d72e301bc113d93206b34d2ea1002c5d00b1e5e5eb368",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-07-11T20:56:11Z",
    "title_canon_sha256": "53cd36590ebafedfe111c82b12d36727a367f710241fce2c8f21b09c16e22b28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0007147",
    "kind": "arxiv",
    "version": 1
  }
}