{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:L25DDDKPKFMRCI2PQ2JO3OQTMJ","short_pith_number":"pith:L25DDDKP","canonical_record":{"source":{"id":"1905.01315","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-05-03T18:00:06Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"5056884ac81a343bba5ca7bc814b6814d3a09207c6f3a6cdc320d2b51e92ef7f","abstract_canon_sha256":"d8479eeda3f305a3a6d0db647d966acfb8ea2ece365de75bc32038df2f09f7d1"},"schema_version":"1.0"},"canonical_sha256":"5eba318d4f515911234f8692edba136244636189789ab85f3e898880692d15cd","source":{"kind":"arxiv","id":"1905.01315","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.01315","created_at":"2026-05-17T23:46:11Z"},{"alias_kind":"arxiv_version","alias_value":"1905.01315v1","created_at":"2026-05-17T23:46:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.01315","created_at":"2026-05-17T23:46:11Z"},{"alias_kind":"pith_short_12","alias_value":"L25DDDKPKFMR","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_16","alias_value":"L25DDDKPKFMRCI2P","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_8","alias_value":"L25DDDKP","created_at":"2026-05-18T12:33:21Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:L25DDDKPKFMRCI2PQ2JO3OQTMJ","target":"record","payload":{"canonical_record":{"source":{"id":"1905.01315","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-05-03T18:00:06Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"5056884ac81a343bba5ca7bc814b6814d3a09207c6f3a6cdc320d2b51e92ef7f","abstract_canon_sha256":"d8479eeda3f305a3a6d0db647d966acfb8ea2ece365de75bc32038df2f09f7d1"},"schema_version":"1.0"},"canonical_sha256":"5eba318d4f515911234f8692edba136244636189789ab85f3e898880692d15cd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:46:11.655298Z","signature_b64":"P5u6vy5j8ltInFbOboi3e9oQDl1ip5vyp8YMgw924dEwd/p2EoFYqj19LFE/fKQzDqF6XOp7qWFv2EGE655PCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5eba318d4f515911234f8692edba136244636189789ab85f3e898880692d15cd","last_reissued_at":"2026-05-17T23:46:11.654854Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:46:11.654854Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1905.01315","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":"2026-05-17T23:46:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+KVr5zK5hFXfxzfNmhPATyYfwCuFBhTLFhr/9+DiHo4t9bNVtK32jcJoPtmrfju0uYXlF8COVh8dhQAi8IleBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T20:27:11.296088Z"},"content_sha256":"d726776e144659a138f151d919786c287440fe3141caeaf690d93ef5d7fdfd5c","schema_version":"1.0","event_id":"sha256:d726776e144659a138f151d919786c287440fe3141caeaf690d93ef5d7fdfd5c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:L25DDDKPKFMRCI2PQ2JO3OQTMJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Do AGN triggering mechanisms vary with radio power? I.Optical morphologies of radio-intermediate HERGs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.GA","authors_text":"Clive N. Tadhunter, Cristina Ramos Almeida, Jonathon C. S. Pierce, Marvin Rose, Patricia Bessiere","submitted_at":"2019-05-03T18:00:06Z","abstract_excerpt":"Radio AGNs with intermediate radio powers are capable of driving multi-phase outflows in galaxy bulges, and are also more common than their high-radio-power counterparts. In-depth characterisation of the typical host galaxies and likely triggering mechanisms for this population is therefore required in order to better understand the role of radio AGN feedback in galaxy evolution. Here, we use deep optical imaging data to study the detailed host morphologies of a complete sample of 30 local radio AGNs with high-excitation optical emission (HERG) spectra and intermediate radio powers (z $<$ 0.1;"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.01315","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":"2026-05-17T23:46:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"n4y9B3fN0+Ko8QduS7yQ1SWUa5aZLHaubU6KjcGs92f/3NoDvkMFTtEbVuCriPQTiuuYeR9KYcJhcjPXjhfGAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T20:27:11.296777Z"},"content_sha256":"d383725fdf9d4d9ccf33979da5824a672b9f04dbd4d5f5724adf7fd7ac57b61b","schema_version":"1.0","event_id":"sha256:d383725fdf9d4d9ccf33979da5824a672b9f04dbd4d5f5724adf7fd7ac57b61b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/L25DDDKPKFMRCI2PQ2JO3OQTMJ/bundle.json","state_url":"https://pith.science/pith/L25DDDKPKFMRCI2PQ2JO3OQTMJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/L25DDDKPKFMRCI2PQ2JO3OQTMJ/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":"2026-05-24T20:27:11Z","links":{"resolver":"https://pith.science/pith/L25DDDKPKFMRCI2PQ2JO3OQTMJ","bundle":"https://pith.science/pith/L25DDDKPKFMRCI2PQ2JO3OQTMJ/bundle.json","state":"https://pith.science/pith/L25DDDKPKFMRCI2PQ2JO3OQTMJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/L25DDDKPKFMRCI2PQ2JO3OQTMJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:L25DDDKPKFMRCI2PQ2JO3OQTMJ","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":"d8479eeda3f305a3a6d0db647d966acfb8ea2ece365de75bc32038df2f09f7d1","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-05-03T18:00:06Z","title_canon_sha256":"5056884ac81a343bba5ca7bc814b6814d3a09207c6f3a6cdc320d2b51e92ef7f"},"schema_version":"1.0","source":{"id":"1905.01315","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.01315","created_at":"2026-05-17T23:46:11Z"},{"alias_kind":"arxiv_version","alias_value":"1905.01315v1","created_at":"2026-05-17T23:46:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.01315","created_at":"2026-05-17T23:46:11Z"},{"alias_kind":"pith_short_12","alias_value":"L25DDDKPKFMR","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_16","alias_value":"L25DDDKPKFMRCI2P","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_8","alias_value":"L25DDDKP","created_at":"2026-05-18T12:33:21Z"}],"graph_snapshots":[{"event_id":"sha256:d383725fdf9d4d9ccf33979da5824a672b9f04dbd4d5f5724adf7fd7ac57b61b","target":"graph","created_at":"2026-05-17T23:46:11Z","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":"Radio AGNs with intermediate radio powers are capable of driving multi-phase outflows in galaxy bulges, and are also more common than their high-radio-power counterparts. In-depth characterisation of the typical host galaxies and likely triggering mechanisms for this population is therefore required in order to better understand the role of radio AGN feedback in galaxy evolution. Here, we use deep optical imaging data to study the detailed host morphologies of a complete sample of 30 local radio AGNs with high-excitation optical emission (HERG) spectra and intermediate radio powers (z $<$ 0.1;","authors_text":"Clive N. Tadhunter, Cristina Ramos Almeida, Jonathon C. S. Pierce, Marvin Rose, Patricia Bessiere","cross_cats":["astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-05-03T18:00:06Z","title":"Do AGN triggering mechanisms vary with radio power? I.Optical morphologies of radio-intermediate HERGs"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.01315","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:d726776e144659a138f151d919786c287440fe3141caeaf690d93ef5d7fdfd5c","target":"record","created_at":"2026-05-17T23:46:11Z","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":"d8479eeda3f305a3a6d0db647d966acfb8ea2ece365de75bc32038df2f09f7d1","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-05-03T18:00:06Z","title_canon_sha256":"5056884ac81a343bba5ca7bc814b6814d3a09207c6f3a6cdc320d2b51e92ef7f"},"schema_version":"1.0","source":{"id":"1905.01315","kind":"arxiv","version":1}},"canonical_sha256":"5eba318d4f515911234f8692edba136244636189789ab85f3e898880692d15cd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5eba318d4f515911234f8692edba136244636189789ab85f3e898880692d15cd","first_computed_at":"2026-05-17T23:46:11.654854Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:46:11.654854Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"P5u6vy5j8ltInFbOboi3e9oQDl1ip5vyp8YMgw924dEwd/p2EoFYqj19LFE/fKQzDqF6XOp7qWFv2EGE655PCA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:46:11.655298Z","signed_message":"canonical_sha256_bytes"},"source_id":"1905.01315","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d726776e144659a138f151d919786c287440fe3141caeaf690d93ef5d7fdfd5c","sha256:d383725fdf9d4d9ccf33979da5824a672b9f04dbd4d5f5724adf7fd7ac57b61b"],"state_sha256":"47bf7711c3b05a7b1dd1eb73fb60b89c04138e574d972d37815c6783be1ca103"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FEKZVCZC1rhl9EMPzdF/pu2oWCPxr0Z5zN6Sy7geqpNbt/hBZ45dIoJP7kKo3a9rXa2aq1hJu8cCd/+Q/wK7BA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-24T20:27:11.300111Z","bundle_sha256":"056889c3334b2b265cfa271655f5770c6716045e95d7267160fdd74a5ceb9266"}}