Pith Number

pith:ZNKGYNUI

pith:2017:ZNKGYNUIEHCAW2JBPOGIXFZGSZ

not attested not anchored not stored refs pending

Uncovering the host galaxy of the $\gamma$-ray-emitting narrow-line Seyfert 1 galaxy FBQS J1644+2619

Alessandro Capetti (INAF-Osservatorio Astrofisico di Torino), Astronomy, Claudia M. Raiteri (INAF-Osservatorio Astrofisico di Torino), Cristina Ramos Almeida (Instituto de Astrofisica de Canarias, Departamento de Astrofisica, Filippo D'Ammando (Dipartimento di Fisica e Astronomia, INAF-Istituto di Radioastronomia), Jose A. Acosta-Pulido (Instituto de Astrofisica de Canarias, Monica Orienti (INAF-Istituto di Radioastronomia), Ranieri D. Baldi (Department of Physics, Universidad de La Laguna), Universit\`a di Bologna, University of Southampton)

arxiv:1703.07367 v2 · 2017-03-21 · astro-ph.GA · 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{ZNKGYNUIEHCAW2JBPOGIXFZGSZ}

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	2026-05-18T00:45:02.497918Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb546c368821c40b69217b8c8b9726964a3e53ecf0abc48eeebc61ec3bac53d4

Aliases

arxiv: 1703.07367 · arxiv_version: 1703.07367v2 · doi: 10.48550/arxiv.1703.07367 · pith_short_12: ZNKGYNUIEHCA · pith_short_16: ZNKGYNUIEHCAW2JB · pith_short_8: ZNKGYNUI

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/ZNKGYNUIEHCAW2JBPOGIXFZGSZ \
  | 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: cb546c368821c40b69217b8c8b9726964a3e53ecf0abc48eeebc61ec3bac53d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac1190cd51622eac4b28526b68e1395d0a9cd20be1847e72e4ecdfd4229c72a0",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-03-21T18:01:00Z",
    "title_canon_sha256": "22537f2de31d2ad7c167a504a1c2893c51bc63902bcafea8d901243d8d16a097"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.07367",
    "kind": "arxiv",
    "version": 2
  }
}