{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:54CTRQGQT2C226EHXBOH6F5QNO","short_pith_number":"pith:54CTRQGQ","canonical_record":{"source":{"id":"1807.05802","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-07-16T11:44:58Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"c139387519e304e7a32fee134ebf2848cb974a134f4a7addb3aa734bf407c617","abstract_canon_sha256":"4aab5bee3b0d84bcd5aa22097197c312922612835916e33fcd128aef8a9f0a66"},"schema_version":"1.0"},"canonical_sha256":"ef0538c0d09e85ad7887b85c7f17b06bb0d562f144010b26e1b5fafc5e18d805","source":{"kind":"arxiv","id":"1807.05802","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.05802","created_at":"2026-05-18T00:10:36Z"},{"alias_kind":"arxiv_version","alias_value":"1807.05802v1","created_at":"2026-05-18T00:10:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.05802","created_at":"2026-05-18T00:10:36Z"},{"alias_kind":"pith_short_12","alias_value":"54CTRQGQT2C2","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_16","alias_value":"54CTRQGQT2C226EH","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_8","alias_value":"54CTRQGQ","created_at":"2026-05-18T12:32:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:54CTRQGQT2C226EHXBOH6F5QNO","target":"record","payload":{"canonical_record":{"source":{"id":"1807.05802","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-07-16T11:44:58Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"c139387519e304e7a32fee134ebf2848cb974a134f4a7addb3aa734bf407c617","abstract_canon_sha256":"4aab5bee3b0d84bcd5aa22097197c312922612835916e33fcd128aef8a9f0a66"},"schema_version":"1.0"},"canonical_sha256":"ef0538c0d09e85ad7887b85c7f17b06bb0d562f144010b26e1b5fafc5e18d805","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:10:36.431003Z","signature_b64":"iWij/DywwjLFqoFvb0Bucm0QuaAj1gX1Kg2zHCwUL0FNmRPtBVD87SzwER9reclnhSWAvpMyj1CS+rrPn8LyDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ef0538c0d09e85ad7887b85c7f17b06bb0d562f144010b26e1b5fafc5e18d805","last_reissued_at":"2026-05-18T00:10:36.430334Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:10:36.430334Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1807.05802","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":"2026-05-18T00:10:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"joqGOrCMbUxpXgpxpeRvgrwz6qpqquFynnLQ+KuQWz+G+Ue5vEAufLFAnX7XVy00G+Zo2ZoPqOPUuMiaamz5CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T15:40:55.386917Z"},"content_sha256":"e48048624cc4283f5a58e4fcf935717dfb3149aa5d3018af20efa73c956eb337","schema_version":"1.0","event_id":"sha256:e48048624cc4283f5a58e4fcf935717dfb3149aa5d3018af20efa73c956eb337"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:54CTRQGQT2C226EHXBOH6F5QNO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Infrared variability of radio-loud narrow-line Seyfert 1 galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.GA","authors_text":"A. Mo\\'or, K. \\'E. Gab\\'anyi, S. Frey","submitted_at":"2018-07-16T11:44:58Z","abstract_excerpt":"Most of the radio-loud narrow-line Seyfert 1 (NLS1) galaxies resemble compact steep-spectrum sources. However, the extremely radio-loud ones show blazar-like characteristics, like flat radio spectra, compact radio cores, substantial variability and high brightness temperatures. These objects are thought to be similar to blazars as they possess relativistic jets seen at small angle to the line of sight. This claim has been further supported by the Fermi satellite discovery of gamma-ray emission from a handful of these sources. Using the Wide-Field Infrared Survey Explorer (WISE) data, we analyz"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.05802","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":"2026-05-18T00:10:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"K+V/Do7spwXgGk9FvsX5lrZCn/zqcovaSfgYka6V6BtgdQuII8eIXE3wY4bm6zM8vvqOaTBFH93p3hZr5mkOCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T15:40:55.387263Z"},"content_sha256":"8c881d3092f62fad70747bc391e849d70ec88e871dbc5496beadd99c5787e7de","schema_version":"1.0","event_id":"sha256:8c881d3092f62fad70747bc391e849d70ec88e871dbc5496beadd99c5787e7de"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/54CTRQGQT2C226EHXBOH6F5QNO/bundle.json","state_url":"https://pith.science/pith/54CTRQGQT2C226EHXBOH6F5QNO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/54CTRQGQT2C226EHXBOH6F5QNO/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":"2026-06-04T15:40:55Z","links":{"resolver":"https://pith.science/pith/54CTRQGQT2C226EHXBOH6F5QNO","bundle":"https://pith.science/pith/54CTRQGQT2C226EHXBOH6F5QNO/bundle.json","state":"https://pith.science/pith/54CTRQGQT2C226EHXBOH6F5QNO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/54CTRQGQT2C226EHXBOH6F5QNO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:54CTRQGQT2C226EHXBOH6F5QNO","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":"4aab5bee3b0d84bcd5aa22097197c312922612835916e33fcd128aef8a9f0a66","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-07-16T11:44:58Z","title_canon_sha256":"c139387519e304e7a32fee134ebf2848cb974a134f4a7addb3aa734bf407c617"},"schema_version":"1.0","source":{"id":"1807.05802","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.05802","created_at":"2026-05-18T00:10:36Z"},{"alias_kind":"arxiv_version","alias_value":"1807.05802v1","created_at":"2026-05-18T00:10:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.05802","created_at":"2026-05-18T00:10:36Z"},{"alias_kind":"pith_short_12","alias_value":"54CTRQGQT2C2","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_16","alias_value":"54CTRQGQT2C226EH","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_8","alias_value":"54CTRQGQ","created_at":"2026-05-18T12:32:05Z"}],"graph_snapshots":[{"event_id":"sha256:8c881d3092f62fad70747bc391e849d70ec88e871dbc5496beadd99c5787e7de","target":"graph","created_at":"2026-05-18T00:10:36Z","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":"Most of the radio-loud narrow-line Seyfert 1 (NLS1) galaxies resemble compact steep-spectrum sources. However, the extremely radio-loud ones show blazar-like characteristics, like flat radio spectra, compact radio cores, substantial variability and high brightness temperatures. These objects are thought to be similar to blazars as they possess relativistic jets seen at small angle to the line of sight. This claim has been further supported by the Fermi satellite discovery of gamma-ray emission from a handful of these sources. Using the Wide-Field Infrared Survey Explorer (WISE) data, we analyz","authors_text":"A. Mo\\'or, K. \\'E. Gab\\'anyi, S. Frey","cross_cats":["astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-07-16T11:44:58Z","title":"Infrared variability of radio-loud narrow-line Seyfert 1 galaxies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.05802","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:e48048624cc4283f5a58e4fcf935717dfb3149aa5d3018af20efa73c956eb337","target":"record","created_at":"2026-05-18T00:10:36Z","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":"4aab5bee3b0d84bcd5aa22097197c312922612835916e33fcd128aef8a9f0a66","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-07-16T11:44:58Z","title_canon_sha256":"c139387519e304e7a32fee134ebf2848cb974a134f4a7addb3aa734bf407c617"},"schema_version":"1.0","source":{"id":"1807.05802","kind":"arxiv","version":1}},"canonical_sha256":"ef0538c0d09e85ad7887b85c7f17b06bb0d562f144010b26e1b5fafc5e18d805","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ef0538c0d09e85ad7887b85c7f17b06bb0d562f144010b26e1b5fafc5e18d805","first_computed_at":"2026-05-18T00:10:36.430334Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:10:36.430334Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"iWij/DywwjLFqoFvb0Bucm0QuaAj1gX1Kg2zHCwUL0FNmRPtBVD87SzwER9reclnhSWAvpMyj1CS+rrPn8LyDw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:10:36.431003Z","signed_message":"canonical_sha256_bytes"},"source_id":"1807.05802","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e48048624cc4283f5a58e4fcf935717dfb3149aa5d3018af20efa73c956eb337","sha256:8c881d3092f62fad70747bc391e849d70ec88e871dbc5496beadd99c5787e7de"],"state_sha256":"3b108e5e1a635d2a637aa31649125c4d5f0f55cb598572bae34c423f06b70bc7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gH7S0bmGexPcOFfDgQCNkq4tgsd9sxODAqzt4jh/m+I3xCacUZDHP8i+ibrRQZmXm80dlPAmtmqLIjUYOp1xCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T15:40:55.389328Z","bundle_sha256":"4251d3f312ccf0d00463b4384d6df4e0b1aa753e1adf28213e5ff23a804d32b3"}}