Pith Number

pith:HP54JJ2U

pith:2018:HP54JJ2UX6N55ZPGAIZMSLEVPD

not attested not anchored not stored refs pending

Hard X-ray selected giant radio galaxies - I. The X-ray properties and radio connection

A. J. Bird, A. Malizia, F. Panessa, F. Ursini, G. Bruni, L. Bassani, L. Saripalli, M. Fiocchi, P. Ubertini

arxiv:1809.05297 v1 · 2018-09-14 · 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{HP54JJ2UX6N55ZPGAIZMSLEVPD}

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	2026-05-18T00:04:54.553044Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3bfbc4a754bf9bdee5e60232c92c9578cd6f25369b7677ded1d4658506bb90a5

Aliases

arxiv: 1809.05297 · arxiv_version: 1809.05297v1 · doi: 10.48550/arxiv.1809.05297 · pith_short_12: HP54JJ2UX6N5 · pith_short_16: HP54JJ2UX6N55ZPG · pith_short_8: HP54JJ2U

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/HP54JJ2UX6N55ZPGAIZMSLEVPD \
  | 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: 3bfbc4a754bf9bdee5e60232c92c9578cd6f25369b7677ded1d4658506bb90a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32c3a7984f9a65891d8304d0089bd432bb7dee2d901460868261e10299101add",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-09-14T08:08:13Z",
    "title_canon_sha256": "bac8fafb26fa1d20b9e098a6ec957d6f716f8ce0a0c92bd61618c19dd4e15915"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.05297",
    "kind": "arxiv",
    "version": 1
  }
}