{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:FRUXTUJ2DJSQTEUL65BZXXZY32","short_pith_number":"pith:FRUXTUJ2","canonical_record":{"source":{"id":"1703.04712","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-03-14T20:41:53Z","cross_cats_sorted":[],"title_canon_sha256":"fbfc83d27796a4820d32ab42537bb3b607df74c6be3428e62a17ab7b4152947b","abstract_canon_sha256":"11f08a598f4cc7872be2e704a627ebb63283a158f9b545a79cefbb32be365821"},"schema_version":"1.0"},"canonical_sha256":"2c6979d13a1a6509928bf7439bdf38dea1b1c2ba8373bd6ea4d9973724587d6d","source":{"kind":"arxiv","id":"1703.04712","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1703.04712","created_at":"2026-05-18T00:48:14Z"},{"alias_kind":"arxiv_version","alias_value":"1703.04712v1","created_at":"2026-05-18T00:48:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1703.04712","created_at":"2026-05-18T00:48:14Z"},{"alias_kind":"pith_short_12","alias_value":"FRUXTUJ2DJSQ","created_at":"2026-05-18T12:31:15Z"},{"alias_kind":"pith_short_16","alias_value":"FRUXTUJ2DJSQTEUL","created_at":"2026-05-18T12:31:15Z"},{"alias_kind":"pith_short_8","alias_value":"FRUXTUJ2","created_at":"2026-05-18T12:31:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:FRUXTUJ2DJSQTEUL65BZXXZY32","target":"record","payload":{"canonical_record":{"source":{"id":"1703.04712","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-03-14T20:41:53Z","cross_cats_sorted":[],"title_canon_sha256":"fbfc83d27796a4820d32ab42537bb3b607df74c6be3428e62a17ab7b4152947b","abstract_canon_sha256":"11f08a598f4cc7872be2e704a627ebb63283a158f9b545a79cefbb32be365821"},"schema_version":"1.0"},"canonical_sha256":"2c6979d13a1a6509928bf7439bdf38dea1b1c2ba8373bd6ea4d9973724587d6d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:48:14.180196Z","signature_b64":"74kmVv4dS7CJwejNebY3djq551auFdDToeK+8QTinP6vqCIP03bCQrT/k2FtQJxerPkwpjtyPIcx9NW/qOzmCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2c6979d13a1a6509928bf7439bdf38dea1b1c2ba8373bd6ea4d9973724587d6d","last_reissued_at":"2026-05-18T00:48:14.179396Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:48:14.179396Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1703.04712","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":"2026-05-18T00:48:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"S9XRltbFwO8tUoe4EYDPHjRtsn2App8RgIcqAIClntdHh824z98eZahqVfNkK5Fa8F/Q4NDPZthlBMaPRu+2Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T02:35:39.065535Z"},"content_sha256":"aa210dee442a6062d68a652fdb9be996b3ff618587f84999e12fa3345d781cf0","schema_version":"1.0","event_id":"sha256:aa210dee442a6062d68a652fdb9be996b3ff618587f84999e12fa3345d781cf0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:FRUXTUJ2DJSQTEUL65BZXXZY32","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Photometry of the long period dwarf nova GY Hya","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Albert Bruch, Berto Monard","submitted_at":"2017-03-14T20:41:53Z","abstract_excerpt":"Although comparatively bright, the cataclysmic variable GY Hya has not attracted much attention in the past. As part of a project to better characterize such systems photometrically, we observed light curves in white light, each spanning several hours, at Bronberg Observatory, South Africa, in 2004 and 2005, and at the Observat\\'orio do Pico dos Dias, Brazil, in 2014 and 2016. These data permit to study orbital modulations and their variations from season to season. The orbital period, already known from spectroscopic observations of Peters & Thorstensen (2005), is confirmed through strong ell"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1703.04712","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":"2026-05-18T00:48:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dPG28u5gA9Vm+KraB/3iJ+lyMl31Tncgsp8Rlvgb/DuOXzZlsz2nnHQHJzUzfzRSm2ud3UJvzxSxcK2jS2GFBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T02:35:39.065961Z"},"content_sha256":"6d05052f6902c29a3c3ef956c8fde48d9620cf7bfc3040d4ab1ea239b43455e4","schema_version":"1.0","event_id":"sha256:6d05052f6902c29a3c3ef956c8fde48d9620cf7bfc3040d4ab1ea239b43455e4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FRUXTUJ2DJSQTEUL65BZXXZY32/bundle.json","state_url":"https://pith.science/pith/FRUXTUJ2DJSQTEUL65BZXXZY32/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FRUXTUJ2DJSQTEUL65BZXXZY32/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":"2026-05-27T02:35:39Z","links":{"resolver":"https://pith.science/pith/FRUXTUJ2DJSQTEUL65BZXXZY32","bundle":"https://pith.science/pith/FRUXTUJ2DJSQTEUL65BZXXZY32/bundle.json","state":"https://pith.science/pith/FRUXTUJ2DJSQTEUL65BZXXZY32/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FRUXTUJ2DJSQTEUL65BZXXZY32/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:FRUXTUJ2DJSQTEUL65BZXXZY32","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":"11f08a598f4cc7872be2e704a627ebb63283a158f9b545a79cefbb32be365821","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-03-14T20:41:53Z","title_canon_sha256":"fbfc83d27796a4820d32ab42537bb3b607df74c6be3428e62a17ab7b4152947b"},"schema_version":"1.0","source":{"id":"1703.04712","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1703.04712","created_at":"2026-05-18T00:48:14Z"},{"alias_kind":"arxiv_version","alias_value":"1703.04712v1","created_at":"2026-05-18T00:48:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1703.04712","created_at":"2026-05-18T00:48:14Z"},{"alias_kind":"pith_short_12","alias_value":"FRUXTUJ2DJSQ","created_at":"2026-05-18T12:31:15Z"},{"alias_kind":"pith_short_16","alias_value":"FRUXTUJ2DJSQTEUL","created_at":"2026-05-18T12:31:15Z"},{"alias_kind":"pith_short_8","alias_value":"FRUXTUJ2","created_at":"2026-05-18T12:31:15Z"}],"graph_snapshots":[{"event_id":"sha256:6d05052f6902c29a3c3ef956c8fde48d9620cf7bfc3040d4ab1ea239b43455e4","target":"graph","created_at":"2026-05-18T00:48:14Z","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":"Although comparatively bright, the cataclysmic variable GY Hya has not attracted much attention in the past. As part of a project to better characterize such systems photometrically, we observed light curves in white light, each spanning several hours, at Bronberg Observatory, South Africa, in 2004 and 2005, and at the Observat\\'orio do Pico dos Dias, Brazil, in 2014 and 2016. These data permit to study orbital modulations and their variations from season to season. The orbital period, already known from spectroscopic observations of Peters & Thorstensen (2005), is confirmed through strong ell","authors_text":"Albert Bruch, Berto Monard","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-03-14T20:41:53Z","title":"Photometry of the long period dwarf nova GY Hya"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1703.04712","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:aa210dee442a6062d68a652fdb9be996b3ff618587f84999e12fa3345d781cf0","target":"record","created_at":"2026-05-18T00:48:14Z","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":"11f08a598f4cc7872be2e704a627ebb63283a158f9b545a79cefbb32be365821","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-03-14T20:41:53Z","title_canon_sha256":"fbfc83d27796a4820d32ab42537bb3b607df74c6be3428e62a17ab7b4152947b"},"schema_version":"1.0","source":{"id":"1703.04712","kind":"arxiv","version":1}},"canonical_sha256":"2c6979d13a1a6509928bf7439bdf38dea1b1c2ba8373bd6ea4d9973724587d6d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2c6979d13a1a6509928bf7439bdf38dea1b1c2ba8373bd6ea4d9973724587d6d","first_computed_at":"2026-05-18T00:48:14.179396Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:48:14.179396Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"74kmVv4dS7CJwejNebY3djq551auFdDToeK+8QTinP6vqCIP03bCQrT/k2FtQJxerPkwpjtyPIcx9NW/qOzmCA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:48:14.180196Z","signed_message":"canonical_sha256_bytes"},"source_id":"1703.04712","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:aa210dee442a6062d68a652fdb9be996b3ff618587f84999e12fa3345d781cf0","sha256:6d05052f6902c29a3c3ef956c8fde48d9620cf7bfc3040d4ab1ea239b43455e4"],"state_sha256":"6250a4c8aedb59348d6ab05a1865df5901f12f9524ce2862f445fe09fd000dec"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BKVAF7UZNbcuaccbptTGuI2QbMPzXvcN1Yp9Ocjolhx+dOWnrmMYNfUkQFXkZLuGZIpVzkObrOMWBzMiGAdwBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T02:35:39.068843Z","bundle_sha256":"8a26bc38ecee9faa0d13e8884a7e0c49bcd776c7b384f4ac220da63ecab7fbc7"}}