Pith Number

pith:KFITFLB2

pith:2026:KFITFLB2TWMVK7QNW5KUCHNXNQ

not attested not anchored not stored refs pending

Extreme Variability Reveals How the Eddington Ratio Regulates Coronal Power in Active Galactic Nuclei

Alessia Tortosa, Arghajit Jana, Benny Trakhtenbrot, Claudio Ricci, Franz E. Bauer, Georgios Dimopoulos, Hsiang-Kuang Chang, Krist\'ina Kallov\'a, Kriti Kamal Gupta, Luis C. Ho, Matthew J. Temple, Michael J. Koss, Richard Mushotzky, Ruancun Li, St\'ephane Paltani, Yaherlyn Diaz

arxiv:2607.19485 v1 · 2026-07-21 · astro-ph.GA · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KFITFLB2TWMVK7QNW5KUCHNXNQ}

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.

Receipt and verification

First computed	2026-07-23T00:23:52.278201Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

515132ac3a9d99557e0db755411db76c23a7f20f31ca74526552323b24a60e1a

Aliases

arxiv: 2607.19485 · arxiv_version: 2607.19485v1 · doi: 10.48550/arxiv.2607.19485 · pith_short_12: KFITFLB2TWMV · pith_short_16: KFITFLB2TWMVK7QN · pith_short_8: KFITFLB2

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/KFITFLB2TWMVK7QNW5KUCHNXNQ \
  | 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: 515132ac3a9d99557e0db755411db76c23a7f20f31ca74526552323b24a60e1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d61f4e149fedc9c1b935f19670daa770fcbc83b05d524d74894c52adfe6f173b",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-07-21T18:06:19Z",
    "title_canon_sha256": "3cbeaef573d3694346b6c0e5ee9adcfcf9a210213d582b378a823b8a5790cf6d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.19485",
    "kind": "arxiv",
    "version": 1
  }
}