Pith Number

pith:LQLDB7NH

pith:2017:LQLDB7NH7WAAK4AWVXSJRZYA5H

not attested not anchored not stored refs pending

Heavy X-ray obscuration in the most-luminous galaxies discovered by WISE

A. Comastri, C.-T.J. Chen, C.-W. Tsai, D.J. Walton, D. Stern, F. Vito, G. Lansbury, G.P. Garmire, J.W. Wu, M. Brightman, P. Eisenhardt, R. Hickox, R.J. Assef, W.N. Brandt

arxiv:1712.00031 v1 · 2017-11-30 · 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{LQLDB7NH7WAAK4AWVXSJRZYA5H}

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	2026-05-18T00:29:07.627713Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c1630fda7fd80057016ade498e700e9f1b1d41a857aaefe6e94e6e60453eb03

Aliases

arxiv: 1712.00031 · arxiv_version: 1712.00031v1 · doi: 10.48550/arxiv.1712.00031 · pith_short_12: LQLDB7NH7WAA · pith_short_16: LQLDB7NH7WAAK4AW · pith_short_8: LQLDB7NH

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/LQLDB7NH7WAAK4AWVXSJRZYA5H \
  | 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: 5c1630fda7fd80057016ade498e700e9f1b1d41a857aaefe6e94e6e60453eb03

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "375de62063054963f143af923567430166537bc9be3d70e3e82a5fb3f61d358e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-11-30T19:07:08Z",
    "title_canon_sha256": "ca44eeff6ec237fc809dcc89a6867d024522d1501682d18097726d5ed9bf764a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.00031",
    "kind": "arxiv",
    "version": 1
  }
}