{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:YQINQ6KYRWWKIX6MOWTPYTGOXV","short_pith_number":"pith:YQINQ6KY","canonical_record":{"source":{"id":"1901.03121","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-01-10T12:26:35Z","cross_cats_sorted":[],"title_canon_sha256":"71e438e4d6072436ad72857689b8edf11cacf6e07166b44f32ce419e6f23dc8f","abstract_canon_sha256":"cf0da1f2afea01d2621ec7cca8f3aa9486def3643241f29d964e095b5c2e6614"},"schema_version":"1.0"},"canonical_sha256":"c410d879588daca45fcc75a6fc4ccebd5feebf2c58bc7a359d4f4a43c0dcaf1e","source":{"kind":"arxiv","id":"1901.03121","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.03121","created_at":"2026-05-17T23:55:52Z"},{"alias_kind":"arxiv_version","alias_value":"1901.03121v1","created_at":"2026-05-17T23:55:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.03121","created_at":"2026-05-17T23:55:52Z"},{"alias_kind":"pith_short_12","alias_value":"YQINQ6KYRWWK","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_16","alias_value":"YQINQ6KYRWWKIX6M","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_8","alias_value":"YQINQ6KY","created_at":"2026-05-18T12:33:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:YQINQ6KYRWWKIX6MOWTPYTGOXV","target":"record","payload":{"canonical_record":{"source":{"id":"1901.03121","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-01-10T12:26:35Z","cross_cats_sorted":[],"title_canon_sha256":"71e438e4d6072436ad72857689b8edf11cacf6e07166b44f32ce419e6f23dc8f","abstract_canon_sha256":"cf0da1f2afea01d2621ec7cca8f3aa9486def3643241f29d964e095b5c2e6614"},"schema_version":"1.0"},"canonical_sha256":"c410d879588daca45fcc75a6fc4ccebd5feebf2c58bc7a359d4f4a43c0dcaf1e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:55:52.915500Z","signature_b64":"s/mI7v0WFS3pbWW+YkMFsQeEb0ryTngzFD16/nWhXSZszCSjBbDmFu7q5MnFmZBZ7Ug/A6cy39DXRyEEvKH8Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c410d879588daca45fcc75a6fc4ccebd5feebf2c58bc7a359d4f4a43c0dcaf1e","last_reissued_at":"2026-05-17T23:55:52.914897Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:55:52.914897Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1901.03121","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":"2026-05-17T23:55:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pbf/CxJVNcCR41uSqLB940SkeAZWGtSN38onqmornk0sTdiGKBoDCJy16U7dv/pylDKl4lsA19Zmf0AN71PbCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T14:42:45.720977Z"},"content_sha256":"1ace70ff1dd4cc3baf4b6e04a3e64e97a2e980eaddbd3a134e49015951acb4e4","schema_version":"1.0","event_id":"sha256:1ace70ff1dd4cc3baf4b6e04a3e64e97a2e980eaddbd3a134e49015951acb4e4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:YQINQ6KYRWWKIX6MOWTPYTGOXV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Investigating the origin of the faint non-thermal emission of the Arches cluster using the 2015-2016 NuSTAR and XMM-Newton X-ray observations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"(2) Univ. Grenoble Alpes, 3), (3) Higher School of Economics, (4) I.E. Tamm Theoretical Physics Division of P.N. Lebedev Institute of Physics, (5) Harvard-Smithsonian Center for Astrophysics, (6) Columbia Astrophysics Laboratory, (7) Max-Planck-Institut f\\\"ur extraterrestrische Physik, (8) Space Sciences Laboratory, (9) MIT Kavli Institute, Alexander Lutovinov (1, CA, CNRS, Columbia University, Dmitry Chernyshov (4), Ekaterina Kuznetsova (1), France, Gabriele Ponti (7), Germany, Grenoble, IPAG, JaeSub Hong (5), John Tomsick (8), Kaya Mori (6), MA, Ma\\\"ica Clavel (2), Moscow, New York, NY, Roman Krivonos (1), Russia, Shuo Zhang (9) ((1) Space Research Institute of the Russian Academy of Sciences, University of California, USA, USA)","submitted_at":"2019-01-10T12:26:35Z","abstract_excerpt":"Recent NuSTAR and XMM-Newton observations of the molecular cloud around the Arches stellar cluster demonstrate a dramatic change both in morphology and intensity of its non-thermal X-ray emission, similar to that observed in many molecular clouds of the Central Molecular Zone at the Galactic Center. These variations trace the propagation of illuminating fronts, presumably induced by past flaring activities of Sgr A$^{\\star}$. In this paper we present results of a long NuSTAR observation of the Arches complex in 2016, taken a year after the previous XMM+NuSTAR observations which revealed a stro"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.03121","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":"2026-05-17T23:55:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1rlQUwp6IzdtiiJNx/2nip0YJEEFSZVHEtRqLqZrZSt2zGx3rj92Q5gINYJy5y8OtZCdwTAsUaYDxhVIoZgrCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T14:42:45.721711Z"},"content_sha256":"12409d49216629d99fc6c865fcd1e5164bb52b9d080e853fc0816bbe4b0af8fe","schema_version":"1.0","event_id":"sha256:12409d49216629d99fc6c865fcd1e5164bb52b9d080e853fc0816bbe4b0af8fe"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YQINQ6KYRWWKIX6MOWTPYTGOXV/bundle.json","state_url":"https://pith.science/pith/YQINQ6KYRWWKIX6MOWTPYTGOXV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YQINQ6KYRWWKIX6MOWTPYTGOXV/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":"2026-05-26T14:42:45Z","links":{"resolver":"https://pith.science/pith/YQINQ6KYRWWKIX6MOWTPYTGOXV","bundle":"https://pith.science/pith/YQINQ6KYRWWKIX6MOWTPYTGOXV/bundle.json","state":"https://pith.science/pith/YQINQ6KYRWWKIX6MOWTPYTGOXV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YQINQ6KYRWWKIX6MOWTPYTGOXV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:YQINQ6KYRWWKIX6MOWTPYTGOXV","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":"cf0da1f2afea01d2621ec7cca8f3aa9486def3643241f29d964e095b5c2e6614","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-01-10T12:26:35Z","title_canon_sha256":"71e438e4d6072436ad72857689b8edf11cacf6e07166b44f32ce419e6f23dc8f"},"schema_version":"1.0","source":{"id":"1901.03121","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.03121","created_at":"2026-05-17T23:55:52Z"},{"alias_kind":"arxiv_version","alias_value":"1901.03121v1","created_at":"2026-05-17T23:55:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.03121","created_at":"2026-05-17T23:55:52Z"},{"alias_kind":"pith_short_12","alias_value":"YQINQ6KYRWWK","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_16","alias_value":"YQINQ6KYRWWKIX6M","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_8","alias_value":"YQINQ6KY","created_at":"2026-05-18T12:33:33Z"}],"graph_snapshots":[{"event_id":"sha256:12409d49216629d99fc6c865fcd1e5164bb52b9d080e853fc0816bbe4b0af8fe","target":"graph","created_at":"2026-05-17T23:55:52Z","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":"Recent NuSTAR and XMM-Newton observations of the molecular cloud around the Arches stellar cluster demonstrate a dramatic change both in morphology and intensity of its non-thermal X-ray emission, similar to that observed in many molecular clouds of the Central Molecular Zone at the Galactic Center. These variations trace the propagation of illuminating fronts, presumably induced by past flaring activities of Sgr A$^{\\star}$. In this paper we present results of a long NuSTAR observation of the Arches complex in 2016, taken a year after the previous XMM+NuSTAR observations which revealed a stro","authors_text":"(2) Univ. Grenoble Alpes, 3), (3) Higher School of Economics, (4) I.E. Tamm Theoretical Physics Division of P.N. Lebedev Institute of Physics, (5) Harvard-Smithsonian Center for Astrophysics, (6) Columbia Astrophysics Laboratory, (7) Max-Planck-Institut f\\\"ur extraterrestrische Physik, (8) Space Sciences Laboratory, (9) MIT Kavli Institute, Alexander Lutovinov (1, CA, CNRS, Columbia University, Dmitry Chernyshov (4), Ekaterina Kuznetsova (1), France, Gabriele Ponti (7), Germany, Grenoble, IPAG, JaeSub Hong (5), John Tomsick (8), Kaya Mori (6), MA, Ma\\\"ica Clavel (2), Moscow, New York, NY, Roman Krivonos (1), Russia, Shuo Zhang (9) ((1) Space Research Institute of the Russian Academy of Sciences, University of California, USA, USA)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-01-10T12:26:35Z","title":"Investigating the origin of the faint non-thermal emission of the Arches cluster using the 2015-2016 NuSTAR and XMM-Newton X-ray observations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.03121","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":"sha256:1ace70ff1dd4cc3baf4b6e04a3e64e97a2e980eaddbd3a134e49015951acb4e4","target":"record","created_at":"2026-05-17T23:55:52Z","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":"cf0da1f2afea01d2621ec7cca8f3aa9486def3643241f29d964e095b5c2e6614","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-01-10T12:26:35Z","title_canon_sha256":"71e438e4d6072436ad72857689b8edf11cacf6e07166b44f32ce419e6f23dc8f"},"schema_version":"1.0","source":{"id":"1901.03121","kind":"arxiv","version":1}},"canonical_sha256":"c410d879588daca45fcc75a6fc4ccebd5feebf2c58bc7a359d4f4a43c0dcaf1e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c410d879588daca45fcc75a6fc4ccebd5feebf2c58bc7a359d4f4a43c0dcaf1e","first_computed_at":"2026-05-17T23:55:52.914897Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:55:52.914897Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"s/mI7v0WFS3pbWW+YkMFsQeEb0ryTngzFD16/nWhXSZszCSjBbDmFu7q5MnFmZBZ7Ug/A6cy39DXRyEEvKH8Cg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:55:52.915500Z","signed_message":"canonical_sha256_bytes"},"source_id":"1901.03121","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1ace70ff1dd4cc3baf4b6e04a3e64e97a2e980eaddbd3a134e49015951acb4e4","sha256:12409d49216629d99fc6c865fcd1e5164bb52b9d080e853fc0816bbe4b0af8fe"],"state_sha256":"8e306ad1f8758a1bbb270b2a363bbf5672fc72f1743b93c2e68886c1b584da0e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GGjU69MMPRCMGZiGMuaZK0DeEDS5b2HzsATd/qLAVcgfJADla8vEnDgoWTw+j8WgwuxZXZ2iCDWK5HYx2e7GDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T14:42:45.725705Z","bundle_sha256":"647c88660e789ee4ab59406488169ae513b6ef4cfe598cd01a8816c447799953"}}