Pith Number

pith:DRM4XIM6

pith:2023:DRM4XIM6RLH4PYERPNZI7P53QN

not attested not anchored not stored refs pending

Optical variability in Quasars: Scaling with black hole mass and Eddington ratio depend on the observed timescales

Elena L\'opez-Navas, Eugene Churazov, Lorena Hern\'andez-Garc\'ia, Patricia Ar\'evalo, Paula S\'anchez-S\'aez, Paulina Lira, Priyanjali Patel

arxiv:2304.14228 v2 · 2023-04-27 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DRM4XIM6RLH4PYERPNZI7P53QN}

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

A hierarchical Bayesian framework for cosmology using Type 1 AGN variability

Receipt and verification

First computed	2026-07-05T07:02:28.473129Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c59cba19e8acfc7e0917b728fbfbb83420bb6305f30806f8817db7ddefce292

Aliases

arxiv: 2304.14228 · arxiv_version: 2304.14228v2 · doi: 10.48550/arxiv.2304.14228 · pith_short_12: DRM4XIM6RLH4 · pith_short_16: DRM4XIM6RLH4PYER · pith_short_8: DRM4XIM6

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/DRM4XIM6RLH4PYERPNZI7P53QN \
  | 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: 1c59cba19e8acfc7e0917b728fbfbb83420bb6305f30806f8817db7ddefce292

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5630288c5fbd6cad2429dbbaaf1362de854d28b667cd8f09da51faf9362aba42",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2023-04-27T14:38:14Z",
    "title_canon_sha256": "a21023e2bcbbd1fe384d89cc9c369cdb8ae104c76bcf6a28ec1f4273f7ce275d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2304.14228",
    "kind": "arxiv",
    "version": 2
  }
}