{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:TQKAI5JDPCYM3SUBTR2BICBBI3","short_pith_number":"pith:TQKAI5JD","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"},"canonical_sha256":"9c1404752378b0cdca819c7414082146c81385d0a4626b484856ee15563be15c","source":{"kind":"arxiv","id":"1311.6633","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1311.6633","created_at":"2026-05-18T01:46:06Z"},{"alias_kind":"arxiv_version","alias_value":"1311.6633v1","created_at":"2026-05-18T01:46:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.6633","created_at":"2026-05-18T01:46:06Z"},{"alias_kind":"pith_short_12","alias_value":"TQKAI5JDPCYM","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_16","alias_value":"TQKAI5JDPCYM3SUB","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_8","alias_value":"TQKAI5JD","created_at":"2026-05-18T12:28:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:TQKAI5JDPCYM3SUBTR2BICBBI3","target":"record","payload":{"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"},"canonical_sha256":"9c1404752378b0cdca819c7414082146c81385d0a4626b484856ee15563be15c","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"},"source_kind":"arxiv","source_id":"1311.6633","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:46:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ark6iVfzpse6BR7jsYUIXoR6Z/8mQ4Ah7LcxfWT1q8WfF8DnJr+IT7FlYBibZpds33BWc37QJnl5I4Boj+MVCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-23T20:37:33.716001Z"},"content_sha256":"678f791b3322c71cf4e595b4a9d3ae40e58aed1ac7b26bd7116db496acf32f54","schema_version":"1.0","event_id":"sha256:678f791b3322c71cf4e595b4a9d3ae40e58aed1ac7b26bd7116db496acf32f54"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:TQKAI5JDPCYM3SUBTR2BICBBI3","target":"graph","payload":{"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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:46:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PFPASVJmydSKC6Y5uzvpeZAdd4zbPnNj2lkZkcPxS+r0TdIZP5ge08ot02pG3oxCtVsVxNL3m/2XudT0jYElDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-23T20:37:33.716726Z"},"content_sha256":"b311cc7359ca64a3391292c463ef3fd1bb2050b7281008bc68ccb9ce895b86ba","schema_version":"1.0","event_id":"sha256:b311cc7359ca64a3391292c463ef3fd1bb2050b7281008bc68ccb9ce895b86ba"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TQKAI5JDPCYM3SUBTR2BICBBI3/bundle.json","state_url":"https://pith.science/pith/TQKAI5JDPCYM3SUBTR2BICBBI3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TQKAI5JDPCYM3SUBTR2BICBBI3/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-23T20:37:33Z","links":{"resolver":"https://pith.science/pith/TQKAI5JDPCYM3SUBTR2BICBBI3","bundle":"https://pith.science/pith/TQKAI5JDPCYM3SUBTR2BICBBI3/bundle.json","state":"https://pith.science/pith/TQKAI5JDPCYM3SUBTR2BICBBI3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TQKAI5JDPCYM3SUBTR2BICBBI3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:TQKAI5JDPCYM3SUBTR2BICBBI3","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"864a006c83768be3d6d8193a67acb97ab21f25b611de1758766169f7b51d6d4d","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-11-26T12:04:31Z","title_canon_sha256":"d6ab69f229494b3ba2acd2733d872f46b35a79e4d970d9b682f43e279ea4dad3"},"schema_version":"1.0","source":{"id":"1311.6633","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1311.6633","created_at":"2026-05-18T01:46:06Z"},{"alias_kind":"arxiv_version","alias_value":"1311.6633v1","created_at":"2026-05-18T01:46:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.6633","created_at":"2026-05-18T01:46:06Z"},{"alias_kind":"pith_short_12","alias_value":"TQKAI5JDPCYM","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_16","alias_value":"TQKAI5JDPCYM3SUB","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_8","alias_value":"TQKAI5JD","created_at":"2026-05-18T12:28:02Z"}],"graph_snapshots":[{"event_id":"sha256:b311cc7359ca64a3391292c463ef3fd1bb2050b7281008bc68ccb9ce895b86ba","target":"graph","created_at":"2026-05-18T01:46:06Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"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 ","authors_text":"A.Labiano, A.Siemiginowska, M.Guainazzi, M.Kunert-Bajraszewska","cross_cats":["astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-11-26T12:04:31Z","title":"First X-ray observations of Low-Power Compact Steep Spectrum Sources"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.6633","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:678f791b3322c71cf4e595b4a9d3ae40e58aed1ac7b26bd7116db496acf32f54","target":"record","created_at":"2026-05-18T01:46:06Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"864a006c83768be3d6d8193a67acb97ab21f25b611de1758766169f7b51d6d4d","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-11-26T12:04:31Z","title_canon_sha256":"d6ab69f229494b3ba2acd2733d872f46b35a79e4d970d9b682f43e279ea4dad3"},"schema_version":"1.0","source":{"id":"1311.6633","kind":"arxiv","version":1}},"canonical_sha256":"9c1404752378b0cdca819c7414082146c81385d0a4626b484856ee15563be15c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9c1404752378b0cdca819c7414082146c81385d0a4626b484856ee15563be15c","first_computed_at":"2026-05-18T01:46:06.061568Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:46:06.061568Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ix311PnAVDpQiVnFdXxzb/MTUaTdrSbmH1q8IP2qqr8OHcAj/o8vLj8wk/fjwl8edFl1WTOMM5J9E3lpXUqWDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:46:06.062138Z","signed_message":"canonical_sha256_bytes"},"source_id":"1311.6633","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:678f791b3322c71cf4e595b4a9d3ae40e58aed1ac7b26bd7116db496acf32f54","sha256:b311cc7359ca64a3391292c463ef3fd1bb2050b7281008bc68ccb9ce895b86ba"],"state_sha256":"bfab6cfd157875c238c5fc80b4def7b43b5b5737bfa8115c9ebbd6d37508298f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UnDn78IlPoE2bPgioT9+XEoli+l8MCEb31mrAVhuYqMCl4rFWlXXRzKS+08GQ8l1jvZhdXccKeJuDMlk6txQAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-23T20:37:33.721572Z","bundle_sha256":"d857b75f690cab9882d072788052b5ae9b1268fb192baa6f1e53a9aa0c17b2b5"}}