Pith Number

pith:KZDJVG6J

pith:2018:KZDJVG6JZIWKTWRL7IWMKO7ALA

not attested not anchored not stored refs pending

Comparison of hard X-ray spectra of luminous radio galaxies and their radio-quiet counterparts

Greg M. Madejski, Katarzyna Rusinek, Maitrayee Gupta, Marek Sikora

arxiv:1808.07170 v1 · 2018-08-22 · 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{KZDJVG6JZIWKTWRL7IWMKO7ALA}

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	2026-05-18T00:07:05.262812Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56469a9bc9ca2ca9da2bfa2cc53be0583507ba5b71839cd0b60778779e1a5743

Aliases

arxiv: 1808.07170 · arxiv_version: 1808.07170v1 · doi: 10.48550/arxiv.1808.07170 · pith_short_12: KZDJVG6JZIWK · pith_short_16: KZDJVG6JZIWKTWRL · pith_short_8: KZDJVG6J

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/KZDJVG6JZIWKTWRL7IWMKO7ALA \
  | 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: 56469a9bc9ca2ca9da2bfa2cc53be0583507ba5b71839cd0b60778779e1a5743

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1f21c80f5e4ed2d96d163b81a7260a9987425dc10d51841286a614c678000c5",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-08-22T01:00:16Z",
    "title_canon_sha256": "45fbc9ad17fcad0eda09b2dc3e19d6ed92342574ecd4e3b00f8537b515838a2b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.07170",
    "kind": "arxiv",
    "version": 1
  }
}