{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:K625XMHSO2A3SGH5W34XPZXL6W","short_pith_number":"pith:K625XMHS","canonical_record":{"source":{"id":"1805.00798","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-05-02T13:35:19Z","cross_cats_sorted":[],"title_canon_sha256":"7ca62c3c313f13512b05b726e914fbe19e410756c936dfa21b23410afcea4309","abstract_canon_sha256":"f2a7efb400b62e8f2c7ac5b77cf727b5ad54f62ae0b7ff2c37007f1e83d4ddd4"},"schema_version":"1.0"},"canonical_sha256":"57b5dbb0f27681b918fdb6f977e6ebf5af5e165d8623c0a70b7830d5925109da","source":{"kind":"arxiv","id":"1805.00798","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.00798","created_at":"2026-05-18T00:06:39Z"},{"alias_kind":"arxiv_version","alias_value":"1805.00798v1","created_at":"2026-05-18T00:06:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.00798","created_at":"2026-05-18T00:06:39Z"},{"alias_kind":"pith_short_12","alias_value":"K625XMHSO2A3","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_16","alias_value":"K625XMHSO2A3SGH5","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_8","alias_value":"K625XMHS","created_at":"2026-05-18T12:32:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:K625XMHSO2A3SGH5W34XPZXL6W","target":"record","payload":{"canonical_record":{"source":{"id":"1805.00798","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-05-02T13:35:19Z","cross_cats_sorted":[],"title_canon_sha256":"7ca62c3c313f13512b05b726e914fbe19e410756c936dfa21b23410afcea4309","abstract_canon_sha256":"f2a7efb400b62e8f2c7ac5b77cf727b5ad54f62ae0b7ff2c37007f1e83d4ddd4"},"schema_version":"1.0"},"canonical_sha256":"57b5dbb0f27681b918fdb6f977e6ebf5af5e165d8623c0a70b7830d5925109da","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:06:39.996683Z","signature_b64":"tP/UTwKc/3jvfTJRLoySJQ2P0i/aLwOPpgp2t8Dmx5e9VKaA3mYgy3xPz17LaryqwGIyl4nkKekXebrAjcTnAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"57b5dbb0f27681b918fdb6f977e6ebf5af5e165d8623c0a70b7830d5925109da","last_reissued_at":"2026-05-18T00:06:39.996260Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:06:39.996260Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1805.00798","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":"2026-05-18T00:06:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+ZNohRaU5BUaOWGEwFwnif8SYNUHjVEqgGk6CJk7Duvbo2W5Az85XYVzR74ETVeBp4arGikoWTUo7F5HWfUCAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T11:32:40.880365Z"},"content_sha256":"38ca4c923032ac0f787c8203c3ed7eb6725c9b4f2e0849e0f7a2bd13ddb1b55c","schema_version":"1.0","event_id":"sha256:38ca4c923032ac0f787c8203c3ed7eb6725c9b4f2e0849e0f7a2bd13ddb1b55c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:K625XMHSO2A3SGH5W34XPZXL6W","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"KIC 8553788: A pulsating Algol with an extreme mass ratio","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Alexios Liakos","submitted_at":"2018-05-02T13:35:19Z","abstract_excerpt":"The present paper focuses on the eclipsing binary KIC 8553788 which belongs to two different types of binary systems regarding its physical properties. In particular, it is one of the 71 oscillating stars of Algol type that have been discovered so far and one of the six that have been published based on high cadence data of the Kepler mission. In addition, it is one of the four semi-detached binaries of the group of R CMa type systems, while its pulsating component has the fourth fastest frequency among the delta Scuti stars-members of semi-detached binaries. Detailed light curves, spectroscop"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.00798","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":"2026-05-18T00:06:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0J0VFAvS3cHK0+zXHJs438+qntb7HhuD5RCcJVBCEQIl7JaQC+48bn0dpQdPrIayjyhbPkILaJxuIzfsU3qHDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T11:32:40.880911Z"},"content_sha256":"c8445d567481a7791da169d20b6756366fa6d0bc0b3b1977ec898c93d57f025b","schema_version":"1.0","event_id":"sha256:c8445d567481a7791da169d20b6756366fa6d0bc0b3b1977ec898c93d57f025b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/K625XMHSO2A3SGH5W34XPZXL6W/bundle.json","state_url":"https://pith.science/pith/K625XMHSO2A3SGH5W34XPZXL6W/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/K625XMHSO2A3SGH5W34XPZXL6W/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":"2026-08-07T11:32:40Z","links":{"resolver":"https://pith.science/pith/K625XMHSO2A3SGH5W34XPZXL6W","bundle":"https://pith.science/pith/K625XMHSO2A3SGH5W34XPZXL6W/bundle.json","state":"https://pith.science/pith/K625XMHSO2A3SGH5W34XPZXL6W/state.json","well_known_bundle":"https://pith.science/.well-known/pith/K625XMHSO2A3SGH5W34XPZXL6W/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:K625XMHSO2A3SGH5W34XPZXL6W","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":"f2a7efb400b62e8f2c7ac5b77cf727b5ad54f62ae0b7ff2c37007f1e83d4ddd4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-05-02T13:35:19Z","title_canon_sha256":"7ca62c3c313f13512b05b726e914fbe19e410756c936dfa21b23410afcea4309"},"schema_version":"1.0","source":{"id":"1805.00798","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.00798","created_at":"2026-05-18T00:06:39Z"},{"alias_kind":"arxiv_version","alias_value":"1805.00798v1","created_at":"2026-05-18T00:06:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.00798","created_at":"2026-05-18T00:06:39Z"},{"alias_kind":"pith_short_12","alias_value":"K625XMHSO2A3","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_16","alias_value":"K625XMHSO2A3SGH5","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_8","alias_value":"K625XMHS","created_at":"2026-05-18T12:32:33Z"}],"graph_snapshots":[{"event_id":"sha256:c8445d567481a7791da169d20b6756366fa6d0bc0b3b1977ec898c93d57f025b","target":"graph","created_at":"2026-05-18T00:06:39Z","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 present paper focuses on the eclipsing binary KIC 8553788 which belongs to two different types of binary systems regarding its physical properties. In particular, it is one of the 71 oscillating stars of Algol type that have been discovered so far and one of the six that have been published based on high cadence data of the Kepler mission. In addition, it is one of the four semi-detached binaries of the group of R CMa type systems, while its pulsating component has the fourth fastest frequency among the delta Scuti stars-members of semi-detached binaries. Detailed light curves, spectroscop","authors_text":"Alexios Liakos","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-05-02T13:35:19Z","title":"KIC 8553788: A pulsating Algol with an extreme mass ratio"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.00798","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":"sha256:38ca4c923032ac0f787c8203c3ed7eb6725c9b4f2e0849e0f7a2bd13ddb1b55c","target":"record","created_at":"2026-05-18T00:06:39Z","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":"f2a7efb400b62e8f2c7ac5b77cf727b5ad54f62ae0b7ff2c37007f1e83d4ddd4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-05-02T13:35:19Z","title_canon_sha256":"7ca62c3c313f13512b05b726e914fbe19e410756c936dfa21b23410afcea4309"},"schema_version":"1.0","source":{"id":"1805.00798","kind":"arxiv","version":1}},"canonical_sha256":"57b5dbb0f27681b918fdb6f977e6ebf5af5e165d8623c0a70b7830d5925109da","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"57b5dbb0f27681b918fdb6f977e6ebf5af5e165d8623c0a70b7830d5925109da","first_computed_at":"2026-05-18T00:06:39.996260Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:06:39.996260Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tP/UTwKc/3jvfTJRLoySJQ2P0i/aLwOPpgp2t8Dmx5e9VKaA3mYgy3xPz17LaryqwGIyl4nkKekXebrAjcTnAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:06:39.996683Z","signed_message":"canonical_sha256_bytes"},"source_id":"1805.00798","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:38ca4c923032ac0f787c8203c3ed7eb6725c9b4f2e0849e0f7a2bd13ddb1b55c","sha256:c8445d567481a7791da169d20b6756366fa6d0bc0b3b1977ec898c93d57f025b"],"state_sha256":"0f059448b81e35bfcfa8cd56f17c5ea9dea531320b4a1f3f44078e123c1429fe"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2GRjl6/tkU6hHgnccPP4ZLbm2M31LvuV+NTIUNGXGa/HgTkbEFbuTyOWBLGwrDUMa9u3Q/VxlCsApIosod9zAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T11:32:40.884668Z","bundle_sha256":"3348b4d5205434b9116d363b77ca058d37dbca646e08c7eafeb5fed1706ea87d"}}