Pith Number

pith:46HNI3QX

pith:2004:46HNI3QX3LJI5A6XFNGHU3OIX3

not attested not anchored not stored refs pending

The Cosmic Evolution of Hard X-ray Selected Active Galactic Nuclei

A.J. Barger, A.T. Steffen, L.L. Cowie, P. Capak, R.F. Mushotzky, W.-H. Wang, Y. Yang

arxiv:astro-ph/0410527 v1 · 2004-10-22 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{46HNI3QX3LJI5A6XFNGHU3OIX3}

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

X-ray luminosity function of Compton-thick AGN in the early Universe (z > 3). Robustness and biases of the CTK population

Receipt and verification

First computed	2026-07-04T15:20:14.831820Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e78ed46e17dad28e83d72b4c7a6dc8bec1eeeb22036e10515b11705b3418544e

Aliases

arxiv: astro-ph/0410527 · arxiv_version: astro-ph/0410527v1 · doi: 10.48550/arxiv.astro-ph/0410527 · pith_short_12: 46HNI3QX3LJI · pith_short_16: 46HNI3QX3LJI5A6X · pith_short_8: 46HNI3QX

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/46HNI3QX3LJI5A6XFNGHU3OIX3 \
  | 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: e78ed46e17dad28e83d72b4c7a6dc8bec1eeeb22036e10515b11705b3418544e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e551927fcd41c3ec7d3b5b40a94feffc9cde9951962b7f732fbc73e863b70ca5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-10-22T02:31:21Z",
    "title_canon_sha256": "1d2d98742e7e923bb80a2cbf8681356340ecf0f0ac2cdf2a368e0885b3b16ec0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0410527",
    "kind": "arxiv",
    "version": 1
  }
}