Pith Number

pith:FZWJ3YN5

pith:2011:FZWJ3YN5C4JTFGMHFWHVKHVTHW

not attested not anchored not stored refs pending

X-ray Spectral Constraints for z~2 Massive Galaxies: The Identification of Reflection-Dominated Active Galactic Nuclei

A.C. Fabian, A. Comastri, A. Del Moro, A.D. Goulding, B.D. Lehmer, B. Luo, C. Vignali, D.A. Rafferty, D.M. Alexander (Durham), D.P. Schneider, E. Daddi, F.E. Bauer, J.R. Mullaney, M. Paolillo, M. Young, O. Shemmer, R.C. Hickox, R. Gilli, V. Mainieri, W.N. Brandt, Y.Q. Xue

arxiv:1106.1443 v1 · 2011-06-07 · astro-ph.CO · 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{FZWJ3YN5C4JTFGMHFWHVKHVTHW}

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	2026-05-18T02:01:41.020214Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e6c9de1bd17133299872d8f551eb33da0d5355561a7e5d38371346b347e6068

Aliases

arxiv: 1106.1443 · arxiv_version: 1106.1443v1 · doi: 10.48550/arxiv.1106.1443 · pith_short_12: FZWJ3YN5C4JT · pith_short_16: FZWJ3YN5C4JTFGMH · pith_short_8: FZWJ3YN5

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/FZWJ3YN5C4JTFGMHFWHVKHVTHW \
  | 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: 2e6c9de1bd17133299872d8f551eb33da0d5355561a7e5d38371346b347e6068

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a395acc20652b50d1c9010c86e85f3b1b3028897b4209d5be45ff41031aa3d4",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-06-07T20:08:54Z",
    "title_canon_sha256": "d851ed57321822979984af7cc0dd7a76b15b4751862643b5403d904fb627a04e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.1443",
    "kind": "arxiv",
    "version": 1
  }
}