{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:CBFEZOADBCDOLM6S3OH46YTEP3","short_pith_number":"pith:CBFEZOAD","canonical_record":{"source":{"id":"1912.03070","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-12-06T11:29:54Z","cross_cats_sorted":[],"title_canon_sha256":"da0fd1bb63f518ecc36e0979ba7358e15b0d850b1f4592552bdcd34492fb6a66","abstract_canon_sha256":"2cfd6631ea9d8dbab9800df4f9fb9dddb5a87ab5bea0b0cdfc591818247719e1"},"schema_version":"1.0"},"canonical_sha256":"104a4cb8030886e5b3d2db8fcf62647ef384eda76c998a1815ca2505493d90ce","source":{"kind":"arxiv","id":"1912.03070","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1912.03070","created_at":"2026-07-05T00:53:43Z"},{"alias_kind":"arxiv_version","alias_value":"1912.03070v1","created_at":"2026-07-05T00:53:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1912.03070","created_at":"2026-07-05T00:53:43Z"},{"alias_kind":"pith_short_12","alias_value":"CBFEZOADBCDO","created_at":"2026-07-05T00:53:43Z"},{"alias_kind":"pith_short_16","alias_value":"CBFEZOADBCDOLM6S","created_at":"2026-07-05T00:53:43Z"},{"alias_kind":"pith_short_8","alias_value":"CBFEZOAD","created_at":"2026-07-05T00:53:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:CBFEZOADBCDOLM6S3OH46YTEP3","target":"record","payload":{"canonical_record":{"source":{"id":"1912.03070","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-12-06T11:29:54Z","cross_cats_sorted":[],"title_canon_sha256":"da0fd1bb63f518ecc36e0979ba7358e15b0d850b1f4592552bdcd34492fb6a66","abstract_canon_sha256":"2cfd6631ea9d8dbab9800df4f9fb9dddb5a87ab5bea0b0cdfc591818247719e1"},"schema_version":"1.0"},"canonical_sha256":"104a4cb8030886e5b3d2db8fcf62647ef384eda76c998a1815ca2505493d90ce","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:53:43.440729Z","signature_b64":"RwV5EhGUdYo3TYk2Qui9PV/IuNrURoaI+e8VlkWXCeV+5b9UNH1wzpTsXNak0icwbtamwhUBZ7ivEWzvzrxtAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"104a4cb8030886e5b3d2db8fcf62647ef384eda76c998a1815ca2505493d90ce","last_reissued_at":"2026-07-05T00:53:43.440179Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:53:43.440179Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1912.03070","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":"2026-07-05T00:53:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AEIYllMFz52dRUQOyqIi/jXpOYq7ZCPp57fNEyfqLSBzzqAh+dbYlQ97wuUPkmCiNmaxsNm4hZh8Og6B0RrBDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T06:56:28.803281Z"},"content_sha256":"8fa1caa5c4e88397ddcf7529771e88e984701d342999d0f7b995c62961f79ad0","schema_version":"1.0","event_id":"sha256:8fa1caa5c4e88397ddcf7529771e88e984701d342999d0f7b995c62961f79ad0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:CBFEZOADBCDOLM6S3OH46YTEP3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Hydrodynamic simulations unravel the progenitor-supernova-remnant connection in SN 1987A","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"F. Bocchino, G. Ferrand, G. Peres, H. Umeda, K. Takahashi, M. Miceli, M. Ono, O. Petruk, S. Nagataki, S. Orlando, T. Yoshida","submitted_at":"2019-12-06T11:29:54Z","abstract_excerpt":"(Abridged) We aim at linking the dynamical and radiative properties of the remnant of SN 1987A to the geometrical and physical characteristics of the parent aspherical SN explosion and to the internal structure of its progenitor star. We performed 3D hydrodynamic simulations which describe the long-term evolution of SN 1987A from the onset of the SN to the full-fledged remnant at the age of 50 years, accounting for the pre-SN structure of the progenitor star. The simulations include all physical processes relevant for the complex phases of SN evolution and for the interaction of the SNR with t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1912.03070","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1912.03070/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":"2026-07-05T00:53:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PRvh03L03U5n+6RwFhGM40G5frkDQWbSxh0izYf2Z2SI7Q3IAf6XIeV84o1v5RiijWnE+T/6rtfh50j4kS/WBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T06:56:28.803681Z"},"content_sha256":"660ddf6391853d78a2b25dd87c7e7767cccf0eafd478b60097db482bcc609f95","schema_version":"1.0","event_id":"sha256:660ddf6391853d78a2b25dd87c7e7767cccf0eafd478b60097db482bcc609f95"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CBFEZOADBCDOLM6S3OH46YTEP3/bundle.json","state_url":"https://pith.science/pith/CBFEZOADBCDOLM6S3OH46YTEP3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CBFEZOADBCDOLM6S3OH46YTEP3/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":"2026-07-05T06:56:28Z","links":{"resolver":"https://pith.science/pith/CBFEZOADBCDOLM6S3OH46YTEP3","bundle":"https://pith.science/pith/CBFEZOADBCDOLM6S3OH46YTEP3/bundle.json","state":"https://pith.science/pith/CBFEZOADBCDOLM6S3OH46YTEP3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CBFEZOADBCDOLM6S3OH46YTEP3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:CBFEZOADBCDOLM6S3OH46YTEP3","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":"2cfd6631ea9d8dbab9800df4f9fb9dddb5a87ab5bea0b0cdfc591818247719e1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-12-06T11:29:54Z","title_canon_sha256":"da0fd1bb63f518ecc36e0979ba7358e15b0d850b1f4592552bdcd34492fb6a66"},"schema_version":"1.0","source":{"id":"1912.03070","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1912.03070","created_at":"2026-07-05T00:53:43Z"},{"alias_kind":"arxiv_version","alias_value":"1912.03070v1","created_at":"2026-07-05T00:53:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1912.03070","created_at":"2026-07-05T00:53:43Z"},{"alias_kind":"pith_short_12","alias_value":"CBFEZOADBCDO","created_at":"2026-07-05T00:53:43Z"},{"alias_kind":"pith_short_16","alias_value":"CBFEZOADBCDOLM6S","created_at":"2026-07-05T00:53:43Z"},{"alias_kind":"pith_short_8","alias_value":"CBFEZOAD","created_at":"2026-07-05T00:53:43Z"}],"graph_snapshots":[{"event_id":"sha256:660ddf6391853d78a2b25dd87c7e7767cccf0eafd478b60097db482bcc609f95","target":"graph","created_at":"2026-07-05T00:53:43Z","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/1912.03070/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"(Abridged) We aim at linking the dynamical and radiative properties of the remnant of SN 1987A to the geometrical and physical characteristics of the parent aspherical SN explosion and to the internal structure of its progenitor star. We performed 3D hydrodynamic simulations which describe the long-term evolution of SN 1987A from the onset of the SN to the full-fledged remnant at the age of 50 years, accounting for the pre-SN structure of the progenitor star. The simulations include all physical processes relevant for the complex phases of SN evolution and for the interaction of the SNR with t","authors_text":"F. Bocchino, G. Ferrand, G. Peres, H. Umeda, K. Takahashi, M. Miceli, M. Ono, O. Petruk, S. Nagataki, S. Orlando, T. Yoshida","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-12-06T11:29:54Z","title":"Hydrodynamic simulations unravel the progenitor-supernova-remnant connection in SN 1987A"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1912.03070","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":"sha256:8fa1caa5c4e88397ddcf7529771e88e984701d342999d0f7b995c62961f79ad0","target":"record","created_at":"2026-07-05T00:53:43Z","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":"2cfd6631ea9d8dbab9800df4f9fb9dddb5a87ab5bea0b0cdfc591818247719e1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-12-06T11:29:54Z","title_canon_sha256":"da0fd1bb63f518ecc36e0979ba7358e15b0d850b1f4592552bdcd34492fb6a66"},"schema_version":"1.0","source":{"id":"1912.03070","kind":"arxiv","version":1}},"canonical_sha256":"104a4cb8030886e5b3d2db8fcf62647ef384eda76c998a1815ca2505493d90ce","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"104a4cb8030886e5b3d2db8fcf62647ef384eda76c998a1815ca2505493d90ce","first_computed_at":"2026-07-05T00:53:43.440179Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:53:43.440179Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"RwV5EhGUdYo3TYk2Qui9PV/IuNrURoaI+e8VlkWXCeV+5b9UNH1wzpTsXNak0icwbtamwhUBZ7ivEWzvzrxtAw==","signature_status":"signed_v1","signed_at":"2026-07-05T00:53:43.440729Z","signed_message":"canonical_sha256_bytes"},"source_id":"1912.03070","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8fa1caa5c4e88397ddcf7529771e88e984701d342999d0f7b995c62961f79ad0","sha256:660ddf6391853d78a2b25dd87c7e7767cccf0eafd478b60097db482bcc609f95"],"state_sha256":"6f9fcdd4d1015bac3889cdc1f349bbe42b3efd96f2dcd98d37873eb8d513434c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"abM11SbrMr5X3U60gdZFFjp87rX8fUGWsCIDKcyUs5jKPz7zHB3xqURZpJjzJD6379Nuy6SJ1NpVV+8TwTZjAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T06:56:28.805841Z","bundle_sha256":"b0332679dc8a7d8ade0e53560229171bb7c76e602e60f9a4997cbd91e1253155"}}