{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:HWZWHBDYULIPAC2RZ7XRD2DLZD","short_pith_number":"pith:HWZWHBDY","canonical_record":{"source":{"id":"1507.02941","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-07-10T15:36:09Z","cross_cats_sorted":[],"title_canon_sha256":"048442777ae927cbac2b9f16b159f6f3e319996b04b922f6f8a04a5458233417","abstract_canon_sha256":"2b89dc75467099302312d81879a974375f2de127155eca13f00e858862d2ee49"},"schema_version":"1.0"},"canonical_sha256":"3db3638478a2d0f00b51cfef11e86bc8c38ef6dc4708ef0f1aedf3184517a62b","source":{"kind":"arxiv","id":"1507.02941","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1507.02941","created_at":"2026-05-18T01:37:02Z"},{"alias_kind":"arxiv_version","alias_value":"1507.02941v1","created_at":"2026-05-18T01:37:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1507.02941","created_at":"2026-05-18T01:37:02Z"},{"alias_kind":"pith_short_12","alias_value":"HWZWHBDYULIP","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_16","alias_value":"HWZWHBDYULIPAC2R","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_8","alias_value":"HWZWHBDY","created_at":"2026-05-18T12:29:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:HWZWHBDYULIPAC2RZ7XRD2DLZD","target":"record","payload":{"canonical_record":{"source":{"id":"1507.02941","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-07-10T15:36:09Z","cross_cats_sorted":[],"title_canon_sha256":"048442777ae927cbac2b9f16b159f6f3e319996b04b922f6f8a04a5458233417","abstract_canon_sha256":"2b89dc75467099302312d81879a974375f2de127155eca13f00e858862d2ee49"},"schema_version":"1.0"},"canonical_sha256":"3db3638478a2d0f00b51cfef11e86bc8c38ef6dc4708ef0f1aedf3184517a62b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:37:02.872425Z","signature_b64":"+QNstDrqmA4VTLeju20Gqy8H6hhlnwwUcMDz/iEl72XWgOr81mugk5O0/d0PbRqp7u1oGH9T3SgBNt48XixdAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3db3638478a2d0f00b51cfef11e86bc8c38ef6dc4708ef0f1aedf3184517a62b","last_reissued_at":"2026-05-18T01:37:02.871953Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:37:02.871953Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1507.02941","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":"2026-05-18T01:37:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OlZ3kTu59Y0tL2APAOsDD+RwWZ4OkC0pGkrThzu5Ll0YE5fYp/A/bOyQVLRFCK/qiKKaK7b6POjJOLb9xrvHBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T12:11:15.680410Z"},"content_sha256":"166ead82d17b4c1c2218322095f282246db502e3b1dcb159deacf74124f9e143","schema_version":"1.0","event_id":"sha256:166ead82d17b4c1c2218322095f282246db502e3b1dcb159deacf74124f9e143"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:HWZWHBDYULIPAC2RZ7XRD2DLZD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The non standard evolution of the Compton corona in the three 2006-2010 subsequent outbursts of the Black Hole Candidate 4U 1630-47","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Bologna, Carlo Ferrigno (ISDC-Versoix, Fiamma Capitanio (IAPS-INAF, Giovanni De Cesare (IASF-INAF, Italy), Riccardo Campana (IASF-INAF, Rome, Switzerland)","submitted_at":"2015-07-10T15:36:09Z","abstract_excerpt":"We report on the analysis of the data collected by Swift, INTEGRAL and RXTE of the Black Hole Candidate (BHC) 4U 1630-47 during 3 consecutive outbursts occurred in 2006, 2008 and 2010, respectively. We show that, although a similar spectral and temporal behaviour in the energy range between 2-10 keV, these 3 outbursts present pronounced differences above 20 keV. In fact, the 2010 outburst extends at high energies without any detectable cut-off until 150-200 keV, while the other two previous outbursts, occurred on 2006 and 2008, are not detected at all above 20 keV. Moreover, the 2008 outburst "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1507.02941","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":"2026-05-18T01:37:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qv48kEbOJKZJkaTwc3yNtX238JPj74X7Jlo1vSi571Dv7T2zTRWx4cQ9krgCX2zXne1ba0zPZNXKD9dl2nJgCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T12:11:15.680761Z"},"content_sha256":"242bc2fef63d344f21a484db7ec46148a10de79e77e342e9bf7522e35a95ea28","schema_version":"1.0","event_id":"sha256:242bc2fef63d344f21a484db7ec46148a10de79e77e342e9bf7522e35a95ea28"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HWZWHBDYULIPAC2RZ7XRD2DLZD/bundle.json","state_url":"https://pith.science/pith/HWZWHBDYULIPAC2RZ7XRD2DLZD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HWZWHBDYULIPAC2RZ7XRD2DLZD/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":"2026-06-05T12:11:15Z","links":{"resolver":"https://pith.science/pith/HWZWHBDYULIPAC2RZ7XRD2DLZD","bundle":"https://pith.science/pith/HWZWHBDYULIPAC2RZ7XRD2DLZD/bundle.json","state":"https://pith.science/pith/HWZWHBDYULIPAC2RZ7XRD2DLZD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HWZWHBDYULIPAC2RZ7XRD2DLZD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:HWZWHBDYULIPAC2RZ7XRD2DLZD","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":"2b89dc75467099302312d81879a974375f2de127155eca13f00e858862d2ee49","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-07-10T15:36:09Z","title_canon_sha256":"048442777ae927cbac2b9f16b159f6f3e319996b04b922f6f8a04a5458233417"},"schema_version":"1.0","source":{"id":"1507.02941","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1507.02941","created_at":"2026-05-18T01:37:02Z"},{"alias_kind":"arxiv_version","alias_value":"1507.02941v1","created_at":"2026-05-18T01:37:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1507.02941","created_at":"2026-05-18T01:37:02Z"},{"alias_kind":"pith_short_12","alias_value":"HWZWHBDYULIP","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_16","alias_value":"HWZWHBDYULIPAC2R","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_8","alias_value":"HWZWHBDY","created_at":"2026-05-18T12:29:25Z"}],"graph_snapshots":[{"event_id":"sha256:242bc2fef63d344f21a484db7ec46148a10de79e77e342e9bf7522e35a95ea28","target":"graph","created_at":"2026-05-18T01:37:02Z","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 on the analysis of the data collected by Swift, INTEGRAL and RXTE of the Black Hole Candidate (BHC) 4U 1630-47 during 3 consecutive outbursts occurred in 2006, 2008 and 2010, respectively. We show that, although a similar spectral and temporal behaviour in the energy range between 2-10 keV, these 3 outbursts present pronounced differences above 20 keV. In fact, the 2010 outburst extends at high energies without any detectable cut-off until 150-200 keV, while the other two previous outbursts, occurred on 2006 and 2008, are not detected at all above 20 keV. Moreover, the 2008 outburst ","authors_text":"Bologna, Carlo Ferrigno (ISDC-Versoix, Fiamma Capitanio (IAPS-INAF, Giovanni De Cesare (IASF-INAF, Italy), Riccardo Campana (IASF-INAF, Rome, Switzerland)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-07-10T15:36:09Z","title":"The non standard evolution of the Compton corona in the three 2006-2010 subsequent outbursts of the Black Hole Candidate 4U 1630-47"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1507.02941","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":"sha256:166ead82d17b4c1c2218322095f282246db502e3b1dcb159deacf74124f9e143","target":"record","created_at":"2026-05-18T01:37:02Z","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":"2b89dc75467099302312d81879a974375f2de127155eca13f00e858862d2ee49","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-07-10T15:36:09Z","title_canon_sha256":"048442777ae927cbac2b9f16b159f6f3e319996b04b922f6f8a04a5458233417"},"schema_version":"1.0","source":{"id":"1507.02941","kind":"arxiv","version":1}},"canonical_sha256":"3db3638478a2d0f00b51cfef11e86bc8c38ef6dc4708ef0f1aedf3184517a62b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3db3638478a2d0f00b51cfef11e86bc8c38ef6dc4708ef0f1aedf3184517a62b","first_computed_at":"2026-05-18T01:37:02.871953Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:37:02.871953Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+QNstDrqmA4VTLeju20Gqy8H6hhlnwwUcMDz/iEl72XWgOr81mugk5O0/d0PbRqp7u1oGH9T3SgBNt48XixdAA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:37:02.872425Z","signed_message":"canonical_sha256_bytes"},"source_id":"1507.02941","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:166ead82d17b4c1c2218322095f282246db502e3b1dcb159deacf74124f9e143","sha256:242bc2fef63d344f21a484db7ec46148a10de79e77e342e9bf7522e35a95ea28"],"state_sha256":"42afff5cd1c28c1487dfc2be2a837f8976bd8a7128771f6db1be52ba725f93f2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nrH6ENj9JX/YQqX99FyPN935QiA/iKhkVVZfd6v6us/LUM98MsHpC24A8b88lKPFJnAsJBT5mhgp6EafOOJaCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T12:11:15.682715Z","bundle_sha256":"3c9e4918bc92a7dc01503d24a2c05f19786246ea68c23dc6ac21789a8fa32a4f"}}