Pith Number

pith:2QWCUD4L

pith:2015:2QWCUD4LQE4EBCGISIC3YXDXDN

not attested not anchored not stored refs pending

Are Compton-Thick AGN the Missing Link Between Mergers and Black Hole Growth?

Anton M. Koekemoer, Dale D. Kocevski, Daniel H. McIntosh, David C. Koo, David Rosario, Eric F. Bell, James Aird, Jennifer M. Lotz, Jeyhan S. Kartaltepe, Jonathan R. Trump, Kirpal Nandra, Li-Ting Hsu, Mara Salvato, Mark Mozena, Murray Brightman

arxiv:1509.03629 v1 · 2015-09-11 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2QWCUD4LQE4EBCGISIC3YXDXDN}

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	2026-05-18T01:25:38.383941Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d42c2a0f8b81384088c89205bc5c771b503ed414608559c71fd2ca4d5205a488

Aliases

arxiv: 1509.03629 · arxiv_version: 1509.03629v1 · doi: 10.48550/arxiv.1509.03629 · pith_short_12: 2QWCUD4LQE4E · pith_short_16: 2QWCUD4LQE4EBCGI · pith_short_8: 2QWCUD4L

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/2QWCUD4LQE4EBCGISIC3YXDXDN \
  | 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: d42c2a0f8b81384088c89205bc5c771b503ed414608559c71fd2ca4d5205a488

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c39a79059435b2f49be29c47e2cd88791e1939bb4aaa805d3996c1b0e70be42",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-09-11T20:03:04Z",
    "title_canon_sha256": "516cac93b63af4bf543901df0f388ff4d13125c7a8cf8cb83d37af4ec243397b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.03629",
    "kind": "arxiv",
    "version": 1
  }
}