{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:WAPTQ4HGXLBCDA77DN2XTRNOZT","short_pith_number":"pith:WAPTQ4HG","canonical_record":{"source":{"id":"2308.04855","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-08-09T10:34:28Z","cross_cats_sorted":[],"title_canon_sha256":"2ad46c1d233029fab3c697e9133be5314c08b18901cbbc80cb9169f5522ae480","abstract_canon_sha256":"3d5e95228126e403af12d61c87677a7e32ab8d0916de3f5be6fa2ac872df3327"},"schema_version":"1.0"},"canonical_sha256":"b01f3870e6bac22183ff1b7579c5aeccc80228738149f762ab97030957994346","source":{"kind":"arxiv","id":"2308.04855","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2308.04855","created_at":"2026-07-05T06:43:51Z"},{"alias_kind":"arxiv_version","alias_value":"2308.04855v3","created_at":"2026-07-05T06:43:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2308.04855","created_at":"2026-07-05T06:43:51Z"},{"alias_kind":"pith_short_12","alias_value":"WAPTQ4HGXLBC","created_at":"2026-07-05T06:43:51Z"},{"alias_kind":"pith_short_16","alias_value":"WAPTQ4HGXLBCDA77","created_at":"2026-07-05T06:43:51Z"},{"alias_kind":"pith_short_8","alias_value":"WAPTQ4HG","created_at":"2026-07-05T06:43:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:WAPTQ4HGXLBCDA77DN2XTRNOZT","target":"record","payload":{"canonical_record":{"source":{"id":"2308.04855","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-08-09T10:34:28Z","cross_cats_sorted":[],"title_canon_sha256":"2ad46c1d233029fab3c697e9133be5314c08b18901cbbc80cb9169f5522ae480","abstract_canon_sha256":"3d5e95228126e403af12d61c87677a7e32ab8d0916de3f5be6fa2ac872df3327"},"schema_version":"1.0"},"canonical_sha256":"b01f3870e6bac22183ff1b7579c5aeccc80228738149f762ab97030957994346","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:43:51.484678Z","signature_b64":"j//GpQ26SAH5xwt9EDybLEyR0H1iv0D5L8xkUSIbLtb4PhQLgJYv12r8P+2YWcsjB+cmGe67nXNRbKybmGQyCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b01f3870e6bac22183ff1b7579c5aeccc80228738149f762ab97030957994346","last_reissued_at":"2026-07-05T06:43:51.484176Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:43:51.484176Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2308.04855","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T06:43:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3LhCiQXB2Sm9tx5Eq6x497pZSt/DtiJx4KzQ5Ulgb6QOTqAXGXruGTkH7X96fDK5YLE6G1IurX02RvzXN+zOAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-31T22:31:13.548382Z"},"content_sha256":"1deddbcf240cf3a6e1d4255599e6e5bf0823800b73c780b2a47b74514eaeb900","schema_version":"1.0","event_id":"sha256:1deddbcf240cf3a6e1d4255599e6e5bf0823800b73c780b2a47b74514eaeb900"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:WAPTQ4HGXLBCDA77DN2XTRNOZT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Long-term multiwavelength monitoring and reverberation mapping of NGC 2617 during a changing-look event","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"A. A. Belinski, A. M. Tatarnikov, A. S. Kuznetsov, A. V. Dodin, B. -X. Zhao, D. A. H. Buckley, D. Chelouche, D. Kasper, D. -W. Bao, E. S. Gorbovskoy, F. -N. Fang, H. -R. Bai, J. Maithil, J. -M. Wang, J. N. Mclane, K. A. Olson, M. A. Burlak, M. S. Brotherton, N. A. Huseynov, N. A. Maslennikova, N. I. Shatsky, N. P. Ikonnikova, N. V. Tyurina, P. Du, R. L. Rebolo, R.S. Oknyansky, S. G. Zheltouhov, S. S. Tsygankov, S. Zhai, T. E. Zastrocky, V. G. Metlov, V. L. Oknyansky, V. M. Lipunov, X. Chen, Y. -X. Fu","submitted_at":"2023-08-09T10:34:28Z","abstract_excerpt":"We present the results of photometric and spectroscopic monitoring campaigns of the changing look AGN NGC~2617 carried out from 2016 until 2022 and covering the wavelength range from the X-ray to the near-IR. The facilities included the telescopes of the SAI MSU, MASTER Global Robotic Net, the 2.3-m WIRO telescope, Swift, and others. We found significant variability at all wavelengths and, specifically, in the intensities and profiles of the broad Balmer lines. We measured time delays of ~ 6 days (~ 8 days) in the responses of the H-beta (H-alpha) line to continuum variations. We found the X-r"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2308.04855","kind":"arxiv","version":3},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2308.04855/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T06:43:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZUJY+TFu9ssZOvWaD2e6nwyMvyVfyW07vjdihKu4jID6YVbrB1pPj6Dp17Xnkiw0hOg0e2EbksyAVE+2ePbYCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-31T22:31:13.548906Z"},"content_sha256":"f5047029970f85f252e9140faa218da6fddc156924820421044fc34463b6e02f","schema_version":"1.0","event_id":"sha256:f5047029970f85f252e9140faa218da6fddc156924820421044fc34463b6e02f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WAPTQ4HGXLBCDA77DN2XTRNOZT/bundle.json","state_url":"https://pith.science/pith/WAPTQ4HGXLBCDA77DN2XTRNOZT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WAPTQ4HGXLBCDA77DN2XTRNOZT/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":"2026-07-31T22:31:13Z","links":{"resolver":"https://pith.science/pith/WAPTQ4HGXLBCDA77DN2XTRNOZT","bundle":"https://pith.science/pith/WAPTQ4HGXLBCDA77DN2XTRNOZT/bundle.json","state":"https://pith.science/pith/WAPTQ4HGXLBCDA77DN2XTRNOZT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WAPTQ4HGXLBCDA77DN2XTRNOZT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:WAPTQ4HGXLBCDA77DN2XTRNOZT","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":"3d5e95228126e403af12d61c87677a7e32ab8d0916de3f5be6fa2ac872df3327","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-08-09T10:34:28Z","title_canon_sha256":"2ad46c1d233029fab3c697e9133be5314c08b18901cbbc80cb9169f5522ae480"},"schema_version":"1.0","source":{"id":"2308.04855","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2308.04855","created_at":"2026-07-05T06:43:51Z"},{"alias_kind":"arxiv_version","alias_value":"2308.04855v3","created_at":"2026-07-05T06:43:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2308.04855","created_at":"2026-07-05T06:43:51Z"},{"alias_kind":"pith_short_12","alias_value":"WAPTQ4HGXLBC","created_at":"2026-07-05T06:43:51Z"},{"alias_kind":"pith_short_16","alias_value":"WAPTQ4HGXLBCDA77","created_at":"2026-07-05T06:43:51Z"},{"alias_kind":"pith_short_8","alias_value":"WAPTQ4HG","created_at":"2026-07-05T06:43:51Z"}],"graph_snapshots":[{"event_id":"sha256:f5047029970f85f252e9140faa218da6fddc156924820421044fc34463b6e02f","target":"graph","created_at":"2026-07-05T06:43:51Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2308.04855/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present the results of photometric and spectroscopic monitoring campaigns of the changing look AGN NGC~2617 carried out from 2016 until 2022 and covering the wavelength range from the X-ray to the near-IR. The facilities included the telescopes of the SAI MSU, MASTER Global Robotic Net, the 2.3-m WIRO telescope, Swift, and others. We found significant variability at all wavelengths and, specifically, in the intensities and profiles of the broad Balmer lines. We measured time delays of ~ 6 days (~ 8 days) in the responses of the H-beta (H-alpha) line to continuum variations. We found the X-r","authors_text":"A. A. Belinski, A. M. Tatarnikov, A. S. Kuznetsov, A. V. Dodin, B. -X. Zhao, D. A. H. Buckley, D. Chelouche, D. Kasper, D. -W. Bao, E. S. Gorbovskoy, F. -N. Fang, H. -R. Bai, J. Maithil, J. -M. Wang, J. N. Mclane, K. A. Olson, M. A. Burlak, M. S. Brotherton, N. A. Huseynov, N. A. Maslennikova, N. I. Shatsky, N. P. Ikonnikova, N. V. Tyurina, P. Du, R. L. Rebolo, R.S. Oknyansky, S. G. Zheltouhov, S. S. Tsygankov, S. Zhai, T. E. Zastrocky, V. G. Metlov, V. L. Oknyansky, V. M. Lipunov, X. Chen, Y. -X. Fu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-08-09T10:34:28Z","title":"Long-term multiwavelength monitoring and reverberation mapping of NGC 2617 during a changing-look event"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2308.04855","kind":"arxiv","version":3},"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":"sha256:1deddbcf240cf3a6e1d4255599e6e5bf0823800b73c780b2a47b74514eaeb900","target":"record","created_at":"2026-07-05T06:43:51Z","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":"3d5e95228126e403af12d61c87677a7e32ab8d0916de3f5be6fa2ac872df3327","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-08-09T10:34:28Z","title_canon_sha256":"2ad46c1d233029fab3c697e9133be5314c08b18901cbbc80cb9169f5522ae480"},"schema_version":"1.0","source":{"id":"2308.04855","kind":"arxiv","version":3}},"canonical_sha256":"b01f3870e6bac22183ff1b7579c5aeccc80228738149f762ab97030957994346","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b01f3870e6bac22183ff1b7579c5aeccc80228738149f762ab97030957994346","first_computed_at":"2026-07-05T06:43:51.484176Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:43:51.484176Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"j//GpQ26SAH5xwt9EDybLEyR0H1iv0D5L8xkUSIbLtb4PhQLgJYv12r8P+2YWcsjB+cmGe67nXNRbKybmGQyCA==","signature_status":"signed_v1","signed_at":"2026-07-05T06:43:51.484678Z","signed_message":"canonical_sha256_bytes"},"source_id":"2308.04855","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1deddbcf240cf3a6e1d4255599e6e5bf0823800b73c780b2a47b74514eaeb900","sha256:f5047029970f85f252e9140faa218da6fddc156924820421044fc34463b6e02f"],"state_sha256":"9b17414d7fbc4402a57cdda3d4af7cb15acb9469e14710c2621251a9d106bdaf"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oZ9Ku2vkQ+IQk9cVHX1Xanquw7jwGLyqxwwF6aVy9NESs+NFgrQ95miwkiGghDzYxIVw7/LqN5wFlR7/xJKoAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-31T22:31:13.553390Z","bundle_sha256":"cf04df516d171b495fa74038e7df4b30462001eb8b8cf96e8615face3619946c"}}