{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:DPLAOJSNZTBBO7SUP2ZHOU3FAQ","short_pith_number":"pith:DPLAOJSN","canonical_record":{"source":{"id":"1709.05938","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-09-18T13:53:39Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"a955bd7e2b4cb71b60e198841cc96018a4501cef0e78e66c6f0020e241d769e1","abstract_canon_sha256":"9740409184076f97fbeda6bc2aa8f45cfe0bc14dd9737e17b3c70876bd48c302"},"schema_version":"1.0"},"canonical_sha256":"1bd607264dccc2177e547eb2775365040a02340738555e41f55973461c3189ea","source":{"kind":"arxiv","id":"1709.05938","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1709.05938","created_at":"2026-05-18T00:29:59Z"},{"alias_kind":"arxiv_version","alias_value":"1709.05938v1","created_at":"2026-05-18T00:29:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.05938","created_at":"2026-05-18T00:29:59Z"},{"alias_kind":"pith_short_12","alias_value":"DPLAOJSNZTBB","created_at":"2026-05-18T12:31:12Z"},{"alias_kind":"pith_short_16","alias_value":"DPLAOJSNZTBBO7SU","created_at":"2026-05-18T12:31:12Z"},{"alias_kind":"pith_short_8","alias_value":"DPLAOJSN","created_at":"2026-05-18T12:31:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:DPLAOJSNZTBBO7SUP2ZHOU3FAQ","target":"record","payload":{"canonical_record":{"source":{"id":"1709.05938","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-09-18T13:53:39Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"a955bd7e2b4cb71b60e198841cc96018a4501cef0e78e66c6f0020e241d769e1","abstract_canon_sha256":"9740409184076f97fbeda6bc2aa8f45cfe0bc14dd9737e17b3c70876bd48c302"},"schema_version":"1.0"},"canonical_sha256":"1bd607264dccc2177e547eb2775365040a02340738555e41f55973461c3189ea","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:29:59.906635Z","signature_b64":"RndBnS/SsFZHSc+L7UOEtORW+eGcyE2V5ibpIbVW6REMunyRq4J4m1w30ExS4eRaYHn+ERlRYvhPCHw4y/j5Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1bd607264dccc2177e547eb2775365040a02340738555e41f55973461c3189ea","last_reissued_at":"2026-05-18T00:29:59.906091Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:29:59.906091Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1709.05938","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":"2026-05-18T00:29:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0Hzqh4pyQevtQTawUMMWFi3O32l603hsImVh48Snpwy02Z0c8Sn2llm6g6jr6XIG1w4WMigg8xpZYECsY7w5Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T03:31:00.286262Z"},"content_sha256":"3f46ad2455e996223bc36fb94b7829c10c26f395e790c30708bad7ab530d3d05","schema_version":"1.0","event_id":"sha256:3f46ad2455e996223bc36fb94b7829c10c26f395e790c30708bad7ab530d3d05"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:DPLAOJSNZTBBO7SUP2ZHOU3FAQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Comparing timelike geodesics around a Kerr black hole and a boson star","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"astro-ph.HE","authors_text":"E. Gourgoulhon, F. H. Vincent, M. Grould, P. Grandcl\\'ement, Z. Meliani","submitted_at":"2017-09-18T13:53:39Z","abstract_excerpt":"The second-generation beam combiner at the Very Large Telescope (VLT), GRAVITY, observes the stars orbiting the compact object located at the center of our galaxy, with an unprecedented astrometric accuracy of 10 $\\mu$as. The nature of this compact source is still unknown since black holes are not the only candidates explaining the four million solar masses at the Galactic center. Boson stars are such an alternative model to black holes. This paper focuses on the study of trajectories of stars orbiting a boson star and a Kerr black hole. We put in light strong differences between orbits obtain"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.05938","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":"2026-05-18T00:29:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ElfDBm+RYbW9utK7TexHd8pmiuQEcLM05QVqBoS9plGQp8jk4o9kreFVj8VCMFG7n8BjpZQfv1GddgZJVdZqBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T03:31:00.286898Z"},"content_sha256":"0c739534cf7d91ab7520afb3ae86903af2fb4260e75ced039bc652a0ba08e11b","schema_version":"1.0","event_id":"sha256:0c739534cf7d91ab7520afb3ae86903af2fb4260e75ced039bc652a0ba08e11b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DPLAOJSNZTBBO7SUP2ZHOU3FAQ/bundle.json","state_url":"https://pith.science/pith/DPLAOJSNZTBBO7SUP2ZHOU3FAQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DPLAOJSNZTBBO7SUP2ZHOU3FAQ/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":"2026-05-27T03:31:00Z","links":{"resolver":"https://pith.science/pith/DPLAOJSNZTBBO7SUP2ZHOU3FAQ","bundle":"https://pith.science/pith/DPLAOJSNZTBBO7SUP2ZHOU3FAQ/bundle.json","state":"https://pith.science/pith/DPLAOJSNZTBBO7SUP2ZHOU3FAQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DPLAOJSNZTBBO7SUP2ZHOU3FAQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:DPLAOJSNZTBBO7SUP2ZHOU3FAQ","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":"9740409184076f97fbeda6bc2aa8f45cfe0bc14dd9737e17b3c70876bd48c302","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-09-18T13:53:39Z","title_canon_sha256":"a955bd7e2b4cb71b60e198841cc96018a4501cef0e78e66c6f0020e241d769e1"},"schema_version":"1.0","source":{"id":"1709.05938","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1709.05938","created_at":"2026-05-18T00:29:59Z"},{"alias_kind":"arxiv_version","alias_value":"1709.05938v1","created_at":"2026-05-18T00:29:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.05938","created_at":"2026-05-18T00:29:59Z"},{"alias_kind":"pith_short_12","alias_value":"DPLAOJSNZTBB","created_at":"2026-05-18T12:31:12Z"},{"alias_kind":"pith_short_16","alias_value":"DPLAOJSNZTBBO7SU","created_at":"2026-05-18T12:31:12Z"},{"alias_kind":"pith_short_8","alias_value":"DPLAOJSN","created_at":"2026-05-18T12:31:12Z"}],"graph_snapshots":[{"event_id":"sha256:0c739534cf7d91ab7520afb3ae86903af2fb4260e75ced039bc652a0ba08e11b","target":"graph","created_at":"2026-05-18T00:29:59Z","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":"The second-generation beam combiner at the Very Large Telescope (VLT), GRAVITY, observes the stars orbiting the compact object located at the center of our galaxy, with an unprecedented astrometric accuracy of 10 $\\mu$as. The nature of this compact source is still unknown since black holes are not the only candidates explaining the four million solar masses at the Galactic center. Boson stars are such an alternative model to black holes. This paper focuses on the study of trajectories of stars orbiting a boson star and a Kerr black hole. We put in light strong differences between orbits obtain","authors_text":"E. Gourgoulhon, F. H. Vincent, M. Grould, P. Grandcl\\'ement, Z. Meliani","cross_cats":["gr-qc"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-09-18T13:53:39Z","title":"Comparing timelike geodesics around a Kerr black hole and a boson star"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.05938","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":"sha256:3f46ad2455e996223bc36fb94b7829c10c26f395e790c30708bad7ab530d3d05","target":"record","created_at":"2026-05-18T00:29:59Z","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":"9740409184076f97fbeda6bc2aa8f45cfe0bc14dd9737e17b3c70876bd48c302","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-09-18T13:53:39Z","title_canon_sha256":"a955bd7e2b4cb71b60e198841cc96018a4501cef0e78e66c6f0020e241d769e1"},"schema_version":"1.0","source":{"id":"1709.05938","kind":"arxiv","version":1}},"canonical_sha256":"1bd607264dccc2177e547eb2775365040a02340738555e41f55973461c3189ea","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1bd607264dccc2177e547eb2775365040a02340738555e41f55973461c3189ea","first_computed_at":"2026-05-18T00:29:59.906091Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:29:59.906091Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"RndBnS/SsFZHSc+L7UOEtORW+eGcyE2V5ibpIbVW6REMunyRq4J4m1w30ExS4eRaYHn+ERlRYvhPCHw4y/j5Cw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:29:59.906635Z","signed_message":"canonical_sha256_bytes"},"source_id":"1709.05938","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3f46ad2455e996223bc36fb94b7829c10c26f395e790c30708bad7ab530d3d05","sha256:0c739534cf7d91ab7520afb3ae86903af2fb4260e75ced039bc652a0ba08e11b"],"state_sha256":"ee7a09a12f25cee49694350962515cdd271b061500ccdf74a292d01efb05a584"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7r7DfPm8XKRxBOSoaGhs0FWu6dZOhS0gKmlyeyRfuugf3WGurKiw2KywLgNueV9apzUHceBcnBRG6qLZvTjEBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T03:31:00.289974Z","bundle_sha256":"5198f0ae9bf807ca3065ee1157f7df20430f2dec817b2a7730af9ba6a957d425"}}