Pith Number

pith:BUNQ3IKF

pith:2009:BUNQ3IKFEWWV4EOJHIASMAKQBG

not attested not anchored not stored refs pending

The X-ray to optical-UV luminosity ratio of X-ray selected Type 1 AGN in XMM-COSMOS

A. Bongiorno, A. Comastri, A. Iovino, A. Merloni, A.M. Koekemoer, B. Garilli, C. Vignali, D. Vergani, E. Le Floc'h, E. Lusso, E. Schinnerer, F. Civano, F. Fiore, F. Lamareille, G. Zamorani, J.P. Kneib, J.R. Trump, J. Silverman, K. Iwasawa, K. Jahnke, M. Bolzonella, M. Brusa, M. Elvis, M. Mignoli, M. Salvato, M. Sargent, M. Scodeggio, N. Cappelluti, O. Le F\`evre, R. Gilli, S. Lilly, V. Mainieri

arxiv:0912.4166 v1 · 2009-12-21 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BUNQ3IKFEWWV4EOJHIASMAKQBG}

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

3 papers in Pith

On the quenching of LRD X-ray emission by both Compton-thick gas and high accretion rates

Introducing the Lumina project: large-volume radiation-hydrodynamic simulations of the epochs of hydrogen and helium reionization

Particle Acceleration, Coronal Neutrino Production, and the Diffuse Extragalactic Neutrino Background from Supermassive Black Holes

Receipt and verification

First computed	2026-05-18T02:10:14.980732Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d1b0da14525ad5e11c93a0126015009b0dc857c31e5b9189fa263501d09ccb0

Aliases

arxiv: 0912.4166 · arxiv_version: 0912.4166v1 · doi: 10.48550/arxiv.0912.4166 · pith_short_12: BUNQ3IKFEWWV · pith_short_16: BUNQ3IKFEWWV4EOJ · pith_short_8: BUNQ3IKF

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/BUNQ3IKFEWWV4EOJHIASMAKQBG \
  | 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: 0d1b0da14525ad5e11c93a0126015009b0dc857c31e5b9189fa263501d09ccb0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffe9da18e02e0449aaa07bd39a353bf971556b262dca9dfce4684082e247c43b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-12-21T14:00:00Z",
    "title_canon_sha256": "6a9c6d6674a4fe2cafc0971762051ae76a1aad33de5194bf35799e0971d274c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.4166",
    "kind": "arxiv",
    "version": 1
  }
}