{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:BSVGCPEMI7L2QQK4V6MIEPFP5H","short_pith_number":"pith:BSVGCPEM","canonical_record":{"source":{"id":"1703.02421","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-03-07T15:05:01Z","cross_cats_sorted":[],"title_canon_sha256":"b0e4216b1fc2d7795b08530f971cf9272c35953ee1d77955e228841c95332512","abstract_canon_sha256":"14c6a69a2e23c9fa815dcefd5b3376ef57f53b5b7b5943c4e1acf202d49b8336"},"schema_version":"1.0"},"canonical_sha256":"0caa613c8c47d7a8415caf98823cafe9d784cb35c2207993793d7fb93898e9a9","source":{"kind":"arxiv","id":"1703.02421","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1703.02421","created_at":"2026-05-18T00:35:23Z"},{"alias_kind":"arxiv_version","alias_value":"1703.02421v1","created_at":"2026-05-18T00:35:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1703.02421","created_at":"2026-05-18T00:35:23Z"},{"alias_kind":"pith_short_12","alias_value":"BSVGCPEMI7L2","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_16","alias_value":"BSVGCPEMI7L2QQK4","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_8","alias_value":"BSVGCPEM","created_at":"2026-05-18T12:31:08Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:BSVGCPEMI7L2QQK4V6MIEPFP5H","target":"record","payload":{"canonical_record":{"source":{"id":"1703.02421","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-03-07T15:05:01Z","cross_cats_sorted":[],"title_canon_sha256":"b0e4216b1fc2d7795b08530f971cf9272c35953ee1d77955e228841c95332512","abstract_canon_sha256":"14c6a69a2e23c9fa815dcefd5b3376ef57f53b5b7b5943c4e1acf202d49b8336"},"schema_version":"1.0"},"canonical_sha256":"0caa613c8c47d7a8415caf98823cafe9d784cb35c2207993793d7fb93898e9a9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:35:23.322480Z","signature_b64":"MBvgNZbNn+v6BWdeLA3WrNStKckY/F4rpYbiKhYaVaBbNywa4HDQwFQKYpyJprkGiLfclVd1fpxFx+24ZzOMAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0caa613c8c47d7a8415caf98823cafe9d784cb35c2207993793d7fb93898e9a9","last_reissued_at":"2026-05-18T00:35:23.321821Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:35:23.321821Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1703.02421","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":"2026-05-18T00:35:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"N98v5Xod/790c4otRlkxEC0dp1DfK13FrWOWSicH5YR/Rtt/EQrUMQD6cv8ZuGlqWdf73ZhHG91sLwvBw61hAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T01:27:27.977031Z"},"content_sha256":"39e348664e8849d8b5ab5b082df9f2999f592b1857f9772597509b520a055689","schema_version":"1.0","event_id":"sha256:39e348664e8849d8b5ab5b082df9f2999f592b1857f9772597509b520a055689"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:BSVGCPEMI7L2QQK4V6MIEPFP5H","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Cepheids with the eyes of photometric space telescopes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. P\\'al, E. Plachy, L. Moln\\'ar","submitted_at":"2017-03-07T15:05:01Z","abstract_excerpt":"Space photometric missions have been steadily accumulating observations of Cepheids in recent years, leading to a flow of new discoveries. In this short review we summarize the findings provided by the early missions such as WIRE, MOST, and CoRoT, and the recent results of the Kepler and K2 missions. The surprising and fascinating results from the high-precision, quasi-continuous data include the detection of the amplitude increase of Polaris, and exquisite details about V1154 Cyg within the original Kepler field of view. We also briefly discuss the current opportunities with the K2 mission, a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1703.02421","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":"2026-05-18T00:35:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HInSH4te9W89dhhH/Z83KHlGAWwyJ4Sys1GITvzCjz3cB5fdR/IOLkKQb3CXNeCi4P+MSR/GsIshSlqdzqjIAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T01:27:27.977913Z"},"content_sha256":"9e0314ad7d7ea9a457c204c6fd674cec257e7b28f39b6c3f2e08d9dc4945d34f","schema_version":"1.0","event_id":"sha256:9e0314ad7d7ea9a457c204c6fd674cec257e7b28f39b6c3f2e08d9dc4945d34f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BSVGCPEMI7L2QQK4V6MIEPFP5H/bundle.json","state_url":"https://pith.science/pith/BSVGCPEMI7L2QQK4V6MIEPFP5H/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BSVGCPEMI7L2QQK4V6MIEPFP5H/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":"2026-06-01T01:27:27Z","links":{"resolver":"https://pith.science/pith/BSVGCPEMI7L2QQK4V6MIEPFP5H","bundle":"https://pith.science/pith/BSVGCPEMI7L2QQK4V6MIEPFP5H/bundle.json","state":"https://pith.science/pith/BSVGCPEMI7L2QQK4V6MIEPFP5H/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BSVGCPEMI7L2QQK4V6MIEPFP5H/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:BSVGCPEMI7L2QQK4V6MIEPFP5H","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":"14c6a69a2e23c9fa815dcefd5b3376ef57f53b5b7b5943c4e1acf202d49b8336","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-03-07T15:05:01Z","title_canon_sha256":"b0e4216b1fc2d7795b08530f971cf9272c35953ee1d77955e228841c95332512"},"schema_version":"1.0","source":{"id":"1703.02421","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1703.02421","created_at":"2026-05-18T00:35:23Z"},{"alias_kind":"arxiv_version","alias_value":"1703.02421v1","created_at":"2026-05-18T00:35:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1703.02421","created_at":"2026-05-18T00:35:23Z"},{"alias_kind":"pith_short_12","alias_value":"BSVGCPEMI7L2","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_16","alias_value":"BSVGCPEMI7L2QQK4","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_8","alias_value":"BSVGCPEM","created_at":"2026-05-18T12:31:08Z"}],"graph_snapshots":[{"event_id":"sha256:9e0314ad7d7ea9a457c204c6fd674cec257e7b28f39b6c3f2e08d9dc4945d34f","target":"graph","created_at":"2026-05-18T00:35:23Z","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":"Space photometric missions have been steadily accumulating observations of Cepheids in recent years, leading to a flow of new discoveries. In this short review we summarize the findings provided by the early missions such as WIRE, MOST, and CoRoT, and the recent results of the Kepler and K2 missions. The surprising and fascinating results from the high-precision, quasi-continuous data include the detection of the amplitude increase of Polaris, and exquisite details about V1154 Cyg within the original Kepler field of view. We also briefly discuss the current opportunities with the K2 mission, a","authors_text":"A. P\\'al, E. Plachy, L. Moln\\'ar","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-03-07T15:05:01Z","title":"Cepheids with the eyes of photometric space telescopes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1703.02421","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":"sha256:39e348664e8849d8b5ab5b082df9f2999f592b1857f9772597509b520a055689","target":"record","created_at":"2026-05-18T00:35:23Z","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":"14c6a69a2e23c9fa815dcefd5b3376ef57f53b5b7b5943c4e1acf202d49b8336","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-03-07T15:05:01Z","title_canon_sha256":"b0e4216b1fc2d7795b08530f971cf9272c35953ee1d77955e228841c95332512"},"schema_version":"1.0","source":{"id":"1703.02421","kind":"arxiv","version":1}},"canonical_sha256":"0caa613c8c47d7a8415caf98823cafe9d784cb35c2207993793d7fb93898e9a9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0caa613c8c47d7a8415caf98823cafe9d784cb35c2207993793d7fb93898e9a9","first_computed_at":"2026-05-18T00:35:23.321821Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:35:23.321821Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"MBvgNZbNn+v6BWdeLA3WrNStKckY/F4rpYbiKhYaVaBbNywa4HDQwFQKYpyJprkGiLfclVd1fpxFx+24ZzOMAg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:35:23.322480Z","signed_message":"canonical_sha256_bytes"},"source_id":"1703.02421","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:39e348664e8849d8b5ab5b082df9f2999f592b1857f9772597509b520a055689","sha256:9e0314ad7d7ea9a457c204c6fd674cec257e7b28f39b6c3f2e08d9dc4945d34f"],"state_sha256":"3758a3d7f08bd773413daddca2ac248af0b9a4a53e78efae2ea283571ccc37a6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7tUMIAJx1Z2nlOYorio7ENhF6iHfQ/yY2ieDjlnYjWNxbyFiLoLM/TB6Bn1FWJ5igcMEKnCo7mEWKNYMxPY8BA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T01:27:27.982223Z","bundle_sha256":"7d8c8951999ae6f1cbb1e8130c9ce1bd57d4d1d75d870e1d500b500b419a1ce1"}}