{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:SR4B4B3AZTP4FZXBR7QEIKOYTB","short_pith_number":"pith:SR4B4B3A","canonical_record":{"source":{"id":"1706.09371","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2017-06-28T17:21:15Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"ca148f9c2def0fd9804b500f79bdf71106098b8db2573a4d2f530fbdd1779245","abstract_canon_sha256":"438d205396f3c41c6c545975cfbcf106ef779e97ade4d22ee4ce13218faf88a5"},"schema_version":"1.0"},"canonical_sha256":"94781e0760ccdfc2e6e18fe04429d8986b5cdb512229a629dadfd66aef433589","source":{"kind":"arxiv","id":"1706.09371","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1706.09371","created_at":"2026-05-18T00:13:32Z"},{"alias_kind":"arxiv_version","alias_value":"1706.09371v4","created_at":"2026-05-18T00:13:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.09371","created_at":"2026-05-18T00:13:32Z"},{"alias_kind":"pith_short_12","alias_value":"SR4B4B3AZTP4","created_at":"2026-05-18T12:31:43Z"},{"alias_kind":"pith_short_16","alias_value":"SR4B4B3AZTP4FZXB","created_at":"2026-05-18T12:31:43Z"},{"alias_kind":"pith_short_8","alias_value":"SR4B4B3A","created_at":"2026-05-18T12:31:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:SR4B4B3AZTP4FZXBR7QEIKOYTB","target":"record","payload":{"canonical_record":{"source":{"id":"1706.09371","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2017-06-28T17:21:15Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"ca148f9c2def0fd9804b500f79bdf71106098b8db2573a4d2f530fbdd1779245","abstract_canon_sha256":"438d205396f3c41c6c545975cfbcf106ef779e97ade4d22ee4ce13218faf88a5"},"schema_version":"1.0"},"canonical_sha256":"94781e0760ccdfc2e6e18fe04429d8986b5cdb512229a629dadfd66aef433589","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:13:32.499411Z","signature_b64":"Qo54laNNNrvALbS9Hd6UJC0KccWP+Yn7RLjIAiwSx3Iomtmx/bGuKsNdN3j944+aswV/vjcmWDRdvbtJJo12DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"94781e0760ccdfc2e6e18fe04429d8986b5cdb512229a629dadfd66aef433589","last_reissued_at":"2026-05-18T00:13:32.498936Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:13:32.498936Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1706.09371","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:13:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oJ1UF2UYvEC6vRcMNAoZsWlYr/JP9KisyylgTFWRMvevvkm2pH0z6e2dH8EWHe4FyjfChXsTXOtiCf5AE3RDAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-21T14:53:22.604717Z"},"content_sha256":"1eb35b675bffde40a24a3516f4be9dca44fba5a18ff27978b47a99a483a4cdca","schema_version":"1.0","event_id":"sha256:1eb35b675bffde40a24a3516f4be9dca44fba5a18ff27978b47a99a483a4cdca"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:SR4B4B3AZTP4FZXBR7QEIKOYTB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Phase transition effects on the dynamical stability of hybrid neutron stars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"gr-qc","authors_text":"C\\'esar V. Flores, Germ\\'an Lugones, Jonas P. Pereira","submitted_at":"2017-06-28T17:21:15Z","abstract_excerpt":"We study radial oscillations of hybrid non-rotating neutron stars composed by a quark matter core and hadronic external layers. At first, we physically deduce the junction conditions that should be imposed between two any phases in these systems when perturbations take place. Then we compute the oscillation spectrum focusing on the effects of slow and rapid phase transitions at the quark-hadron interface. We use a generic MIT bag model for quark matter and a relativistic mean field theory for hadronic matter. In the case of rapid transitions at the interface we find a general relativistic vers"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.09371","kind":"arxiv","version":4},"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":"2026-05-18T00:13:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"t9fbGbpnyj4OQdlMARLYSS9oFIqujtqA9CozsatDT3cKvoAqZbn1ATHZD9fLoHHDJ/8qFkU/CkZ6AVCCCN9SAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-21T14:53:22.605380Z"},"content_sha256":"cfeb4c8933c2a47217278cf1d089ab3930e7829959a5079e759bc65ac9fe5e9f","schema_version":"1.0","event_id":"sha256:cfeb4c8933c2a47217278cf1d089ab3930e7829959a5079e759bc65ac9fe5e9f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SR4B4B3AZTP4FZXBR7QEIKOYTB/bundle.json","state_url":"https://pith.science/pith/SR4B4B3AZTP4FZXBR7QEIKOYTB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SR4B4B3AZTP4FZXBR7QEIKOYTB/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":"2026-05-21T14:53:22Z","links":{"resolver":"https://pith.science/pith/SR4B4B3AZTP4FZXBR7QEIKOYTB","bundle":"https://pith.science/pith/SR4B4B3AZTP4FZXBR7QEIKOYTB/bundle.json","state":"https://pith.science/pith/SR4B4B3AZTP4FZXBR7QEIKOYTB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SR4B4B3AZTP4FZXBR7QEIKOYTB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:SR4B4B3AZTP4FZXBR7QEIKOYTB","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":"438d205396f3c41c6c545975cfbcf106ef779e97ade4d22ee4ce13218faf88a5","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2017-06-28T17:21:15Z","title_canon_sha256":"ca148f9c2def0fd9804b500f79bdf71106098b8db2573a4d2f530fbdd1779245"},"schema_version":"1.0","source":{"id":"1706.09371","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1706.09371","created_at":"2026-05-18T00:13:32Z"},{"alias_kind":"arxiv_version","alias_value":"1706.09371v4","created_at":"2026-05-18T00:13:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.09371","created_at":"2026-05-18T00:13:32Z"},{"alias_kind":"pith_short_12","alias_value":"SR4B4B3AZTP4","created_at":"2026-05-18T12:31:43Z"},{"alias_kind":"pith_short_16","alias_value":"SR4B4B3AZTP4FZXB","created_at":"2026-05-18T12:31:43Z"},{"alias_kind":"pith_short_8","alias_value":"SR4B4B3A","created_at":"2026-05-18T12:31:43Z"}],"graph_snapshots":[{"event_id":"sha256:cfeb4c8933c2a47217278cf1d089ab3930e7829959a5079e759bc65ac9fe5e9f","target":"graph","created_at":"2026-05-18T00:13:32Z","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 study radial oscillations of hybrid non-rotating neutron stars composed by a quark matter core and hadronic external layers. At first, we physically deduce the junction conditions that should be imposed between two any phases in these systems when perturbations take place. Then we compute the oscillation spectrum focusing on the effects of slow and rapid phase transitions at the quark-hadron interface. We use a generic MIT bag model for quark matter and a relativistic mean field theory for hadronic matter. In the case of rapid transitions at the interface we find a general relativistic vers","authors_text":"C\\'esar V. Flores, Germ\\'an Lugones, Jonas P. Pereira","cross_cats":["astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2017-06-28T17:21:15Z","title":"Phase transition effects on the dynamical stability of hybrid neutron stars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.09371","kind":"arxiv","version":4},"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":"sha256:1eb35b675bffde40a24a3516f4be9dca44fba5a18ff27978b47a99a483a4cdca","target":"record","created_at":"2026-05-18T00:13:32Z","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":"438d205396f3c41c6c545975cfbcf106ef779e97ade4d22ee4ce13218faf88a5","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2017-06-28T17:21:15Z","title_canon_sha256":"ca148f9c2def0fd9804b500f79bdf71106098b8db2573a4d2f530fbdd1779245"},"schema_version":"1.0","source":{"id":"1706.09371","kind":"arxiv","version":4}},"canonical_sha256":"94781e0760ccdfc2e6e18fe04429d8986b5cdb512229a629dadfd66aef433589","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"94781e0760ccdfc2e6e18fe04429d8986b5cdb512229a629dadfd66aef433589","first_computed_at":"2026-05-18T00:13:32.498936Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:13:32.498936Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Qo54laNNNrvALbS9Hd6UJC0KccWP+Yn7RLjIAiwSx3Iomtmx/bGuKsNdN3j944+aswV/vjcmWDRdvbtJJo12DA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:13:32.499411Z","signed_message":"canonical_sha256_bytes"},"source_id":"1706.09371","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1eb35b675bffde40a24a3516f4be9dca44fba5a18ff27978b47a99a483a4cdca","sha256:cfeb4c8933c2a47217278cf1d089ab3930e7829959a5079e759bc65ac9fe5e9f"],"state_sha256":"677107f22ff9b1f38a7ed53e3500c85e05a74839e1d6ebe6a916c63c2ea16005"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XMQWOMzd4kprYj2kol2YrMg7X3Tn/Ia6t20narvmh2P3PI4Obs4lV/M7uOuraJEDcFgOnm9glTillmSoqbTVDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-21T14:53:22.607688Z","bundle_sha256":"ee61274ac1f3986a35e2b29ac1f9a007b21798a249a37bfe13fae660f41a5738"}}