{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:TQKAI5JDPCYM3SUBTR2BICBBI3","short_pith_number":"pith:TQKAI5JD","schema_version":"1.0","canonical_sha256":"9c1404752378b0cdca819c7414082146c81385d0a4626b484856ee15563be15c","source":{"kind":"arxiv","id":"1311.6633","version":1},"attestation_state":"computed","paper":{"title":"First X-ray observations of Low-Power Compact Steep Spectrum Sources","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.CO","authors_text":"A.Labiano, A.Siemiginowska, M.Guainazzi, M.Kunert-Bajraszewska","submitted_at":"2013-11-26T12:04:31Z","abstract_excerpt":"We report first X-ray Chandra observations of a sample of seven low luminosity compact (LLC) sources. They belong to a class of young compact steep spectrum (CSS) radio sources. Four of them have been detected, the other three have upper limit estimations for X-ray flux, one CSS galaxy is associated with an X-ray cluster. We have used the new observations together with the observational data for known strong CSS and gigahertz-peaked spectrum (GPS) objects and large scale FRIs and FRIIs to study the relation between morphology, X-ray properties and excitation modes in radio-loud AGNs. We found "},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1311.6633","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-11-26T12:04:31Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"d6ab69f229494b3ba2acd2733d872f46b35a79e4d970d9b682f43e279ea4dad3","abstract_canon_sha256":"864a006c83768be3d6d8193a67acb97ab21f25b611de1758766169f7b51d6d4d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:46:06.062138Z","signature_b64":"ix311PnAVDpQiVnFdXxzb/MTUaTdrSbmH1q8IP2qqr8OHcAj/o8vLj8wk/fjwl8edFl1WTOMM5J9E3lpXUqWDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9c1404752378b0cdca819c7414082146c81385d0a4626b484856ee15563be15c","last_reissued_at":"2026-05-18T01:46:06.061568Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:46:06.061568Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"First X-ray observations of Low-Power Compact Steep Spectrum Sources","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.CO","authors_text":"A.Labiano, A.Siemiginowska, M.Guainazzi, M.Kunert-Bajraszewska","submitted_at":"2013-11-26T12:04:31Z","abstract_excerpt":"We report first X-ray Chandra observations of a sample of seven low luminosity compact (LLC) sources. They belong to a class of young compact steep spectrum (CSS) radio sources. Four of them have been detected, the other three have upper limit estimations for X-ray flux, one CSS galaxy is associated with an X-ray cluster. We have used the new observations together with the observational data for known strong CSS and gigahertz-peaked spectrum (GPS) objects and large scale FRIs and FRIIs to study the relation between morphology, X-ray properties and excitation modes in radio-loud AGNs. We found "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.6633","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"1311.6633","created_at":"2026-05-18T01:46:06.061636+00:00"},{"alias_kind":"arxiv_version","alias_value":"1311.6633v1","created_at":"2026-05-18T01:46:06.061636+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.6633","created_at":"2026-05-18T01:46:06.061636+00:00"},{"alias_kind":"pith_short_12","alias_value":"TQKAI5JDPCYM","created_at":"2026-05-18T12:28:02.375192+00:00"},{"alias_kind":"pith_short_16","alias_value":"TQKAI5JDPCYM3SUB","created_at":"2026-05-18T12:28:02.375192+00:00"},{"alias_kind":"pith_short_8","alias_value":"TQKAI5JD","created_at":"2026-05-18T12:28:02.375192+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/TQKAI5JDPCYM3SUBTR2BICBBI3","json":"https://pith.science/pith/TQKAI5JDPCYM3SUBTR2BICBBI3.json","graph_json":"https://pith.science/api/pith-number/TQKAI5JDPCYM3SUBTR2BICBBI3/graph.json","events_json":"https://pith.science/api/pith-number/TQKAI5JDPCYM3SUBTR2BICBBI3/events.json","paper":"https://pith.science/paper/TQKAI5JD"},"agent_actions":{"view_html":"https://pith.science/pith/TQKAI5JDPCYM3SUBTR2BICBBI3","download_json":"https://pith.science/pith/TQKAI5JDPCYM3SUBTR2BICBBI3.json","view_paper":"https://pith.science/paper/TQKAI5JD","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1311.6633&json=true","fetch_graph":"https://pith.science/api/pith-number/TQKAI5JDPCYM3SUBTR2BICBBI3/graph.json","fetch_events":"https://pith.science/api/pith-number/TQKAI5JDPCYM3SUBTR2BICBBI3/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/TQKAI5JDPCYM3SUBTR2BICBBI3/action/timestamp_anchor","attest_storage":"https://pith.science/pith/TQKAI5JDPCYM3SUBTR2BICBBI3/action/storage_attestation","attest_author":"https://pith.science/pith/TQKAI5JDPCYM3SUBTR2BICBBI3/action/author_attestation","sign_citation":"https://pith.science/pith/TQKAI5JDPCYM3SUBTR2BICBBI3/action/citation_signature","submit_replication":"https://pith.science/pith/TQKAI5JDPCYM3SUBTR2BICBBI3/action/replication_record"}},"created_at":"2026-05-18T01:46:06.061636+00:00","updated_at":"2026-05-18T01:46:06.061636+00:00"}