Pith Number

pith:4CA6LLYD

pith:2000:4CA6LLYD5X7SBSVETQXUWCZ474

not attested not anchored not stored refs pending

Black Hole Mass Estimates from Reverberation Mapping and from Spatially Resolved Kinematics

Alan Dressler, Alexei Filippenko, Carl Grillmair, Douglas Richstone, Gary Bower, Jason Pinkney, John Kormendy, John Magorrian, Karl Gebhardt, Luis Ho, Ralf Bender, Richard Green, Scott Tremaine, S.M. Faber, Tod Lauer

arxiv:astro-ph/0007123 v2 · 2000-07-10 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4CA6LLYD5X7SBSVETQXUWCZ474}

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

SchwarMAX: a GPU-friendly Schwarzschild orbit-superposition modelling framework

Receipt and verification

First computed	2026-07-04T16:16:53.276895Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e081e5af03edff20caa49c2f4b0b3cff13529d86b8045cd0bd3bfed6ae58a12f

Aliases

arxiv: astro-ph/0007123 · arxiv_version: astro-ph/0007123v2 · doi: 10.48550/arxiv.astro-ph/0007123 · pith_short_12: 4CA6LLYD5X7S · pith_short_16: 4CA6LLYD5X7SBSVE · pith_short_8: 4CA6LLYD

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/4CA6LLYD5X7SBSVETQXUWCZ474 \
  | 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: e081e5af03edff20caa49c2f4b0b3cff13529d86b8045cd0bd3bfed6ae58a12f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e86dc45989cb87fdb1327c2d37a237e2ee240da1f6650a28f374e3226cce475f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-07-10T18:35:54Z",
    "title_canon_sha256": "67d9bca693a2ea61ca8fc14a719d62ee5ce3926514d6110c218c4e1e81fcee6a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0007123",
    "kind": "arxiv",
    "version": 2
  }
}