Pith Number

pith:UDZRNUH3

pith:2016:UDZRNUH3OF4FTWUPYM5RW75WWB

not attested not anchored not stored refs pending

A New Population of Compton-Thick AGN Identified Using the Spectral Curvature Above 10 keV

A. Comastri, C. Markwardt, C. Megan Urry, C. Ricci, D. M. Alexander, D. R. Ballantyne, D. Stern, E. Rivers, E. Treister, F. A. Harrison, F.E. Bauer, G. Lansbury, I. Lamperti, K. Schawinski, M. Balokovic, Michael J. Koss, N. Gehrels, P. Gandhi, R. Assef, S. Berney, W. N. Brandt

arxiv:1604.07825 v1 · 2016-04-26 · astro-ph.HE · 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{UDZRNUH3OF4FTWUPYM5RW75WWB}

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

Decoupled Kinematics and Excitation in the Compton-thick AGN NGC 6552: Spatially Resolved KOOLS-IFU Observations

Receipt and verification

First computed	2026-05-18T01:11:11.980296Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0f316d0fb717859da8fc33b1b7fb6b04f8ea7ffc6bdba9a592077b9d0bd6652

Aliases

arxiv: 1604.07825 · arxiv_version: 1604.07825v1 · doi: 10.48550/arxiv.1604.07825 · pith_short_12: UDZRNUH3OF4F · pith_short_16: UDZRNUH3OF4FTWUP · pith_short_8: UDZRNUH3

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/UDZRNUH3OF4FTWUPYM5RW75WWB \
  | 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: a0f316d0fb717859da8fc33b1b7fb6b04f8ea7ffc6bdba9a592077b9d0bd6652

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d51d68c7c4a0298ed7b8ddcaa2f3689f9e6aa85860d1ecec924b1a3af168dd45",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2016-04-26T20:00:03Z",
    "title_canon_sha256": "601aaa28dbf9216579cb065a4212aef057ced4aa3ad5e81c87aafc583122b113"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.07825",
    "kind": "arxiv",
    "version": 1
  }
}