Pith Number

pith:NRRUKTZG

pith:2003:NRRUKTZG3SV4LKXFQ6DGGU3BEY

not attested not anchored not stored refs pending

Cosmological Evolution of the Hard X-ray AGN Luminosity Function and the Origin of the Hard X-ray Background

Kouji Ohta (Kyoto Univ.), Masayuki Akiyama (Subaru Telescope), Takamitsu Miyaji (Carnegie Mellon Univ.), Yoshihiro Ueda (ISAS)

arxiv:astro-ph/0308140 v2 · 2003-08-08 · astro-ph

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NRRUKTZG3SV4LKXFQ6DGGU3BEY}

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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

5 papers in Pith

AGN radiative feedback as the main regulator of [O III] outflow activity and obscuration in X-ray AGN

Unification models of Active Galactic Nuclei

Population synthesis of active galactic nuclei based on the radiation-regulated unification model

Study of Flat Spectrum Radio Quasars and BL Lacertae Objects as Sources of Diffusive Ultra High-Energy Cosmic Rays

Looking for Lights from the Darkness: Signals from MeV-scale Solar Axion-like Particles

Receipt and verification

First computed	2026-07-04T16:51:26.510814Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c63454f26dcabc5aae58786635361263014f14a1f9477dd1647016ad06625db

Aliases

arxiv: astro-ph/0308140 · arxiv_version: astro-ph/0308140v2 · doi: 10.48550/arxiv.astro-ph/0308140 · pith_short_12: NRRUKTZG3SV4 · pith_short_16: NRRUKTZG3SV4LKXF · pith_short_8: NRRUKTZG

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/NRRUKTZG3SV4LKXFQ6DGGU3BEY \
  | 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: 6c63454f26dcabc5aae58786635361263014f14a1f9477dd1647016ad06625db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0c0ddcbfab019fefd56dd99b7be532ccd095a92f724c633078d037103a18e8d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-08-08T14:22:48Z",
    "title_canon_sha256": "36a6e87ff099bfc329c0b5b8ad6ff797cc648d6ebb4fda64dfbeb0048248411b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0308140",
    "kind": "arxiv",
    "version": 2
  }
}