Pith Number

pith:SK3INC2B

pith:2024:SK3INC2BEZQ5KGI5JMAKFOMPA6

not attested not anchored not stored refs pending

Ensemble X-ray variability of optically selected QSOs: dependence on black hole mass and Eddington ratio

A. Akylas, A. Georgakakis, A. Merloni, A. Ruiz, J. Buchner, K. Nandra, M. Paolillo, M. Salvato, T. Boller, T. Dwelly

arxiv:2401.17285 v2 · 2024-01-30 · 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{SK3INC2BEZQ5KGI5JMAKFOMPA6}

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

Optical Variability Structure Function of Low-Luminosity AGN using ATLAS Lightcurves

Receipt and verification

First computed	2026-07-05T08:23:16.490479Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

92b6868b412661d5191d4b00a2b98f078d4de30c7a2e1c05a9823d56e8539415

Aliases

arxiv: 2401.17285 · arxiv_version: 2401.17285v2 · doi: 10.48550/arxiv.2401.17285 · pith_short_12: SK3INC2BEZQ5 · pith_short_16: SK3INC2BEZQ5KGI5 · pith_short_8: SK3INC2B

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/SK3INC2BEZQ5KGI5JMAKFOMPA6 \
  | 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: 92b6868b412661d5191d4b00a2b98f078d4de30c7a2e1c05a9823d56e8539415

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e501a9e691ec39c794aba8ac76ab23615956aaa5c904873b0ec2106fa067275",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2024-01-30T22:40:15Z",
    "title_canon_sha256": "92bb35a2544046a96f2b2d49dd5453906d36e5aba70dc6837707461dc5c4a09f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2401.17285",
    "kind": "arxiv",
    "version": 2
  }
}