{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:PSLP6UZYFV6PZD7MEDEY66SOYR","short_pith_number":"pith:PSLP6UZY","canonical_record":{"source":{"id":"0812.2065","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-12-11T01:51:07Z","cross_cats_sorted":[],"title_canon_sha256":"c6a740a2bdde6dce7a087ebb40da0aa546cf2ad40122986ac42f78bc51a92d74","abstract_canon_sha256":"2227b935f1d09480d25867cd74ff6ad93a677502b2ddf1b259378936e0e9bfb8"},"schema_version":"1.0"},"canonical_sha256":"7c96ff53382d7cfc8fec20c98f7a4ec4454b59f719834d69c93999927186a26e","source":{"kind":"arxiv","id":"0812.2065","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0812.2065","created_at":"2026-05-18T02:15:10Z"},{"alias_kind":"arxiv_version","alias_value":"0812.2065v1","created_at":"2026-05-18T02:15:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0812.2065","created_at":"2026-05-18T02:15:10Z"},{"alias_kind":"pith_short_12","alias_value":"PSLP6UZYFV6P","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_16","alias_value":"PSLP6UZYFV6PZD7M","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_8","alias_value":"PSLP6UZY","created_at":"2026-05-18T12:25:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:PSLP6UZYFV6PZD7MEDEY66SOYR","target":"record","payload":{"canonical_record":{"source":{"id":"0812.2065","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-12-11T01:51:07Z","cross_cats_sorted":[],"title_canon_sha256":"c6a740a2bdde6dce7a087ebb40da0aa546cf2ad40122986ac42f78bc51a92d74","abstract_canon_sha256":"2227b935f1d09480d25867cd74ff6ad93a677502b2ddf1b259378936e0e9bfb8"},"schema_version":"1.0"},"canonical_sha256":"7c96ff53382d7cfc8fec20c98f7a4ec4454b59f719834d69c93999927186a26e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:15:10.942968Z","signature_b64":"zdUadY4BSbEgUer2BE9DN/arVhSeuiUPXlPBHmUQVQdkLC0n+tS4gdnQudLXnDqNuS7zWSo3eXP8vujRgxo3CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7c96ff53382d7cfc8fec20c98f7a4ec4454b59f719834d69c93999927186a26e","last_reissued_at":"2026-05-18T02:15:10.942204Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:15:10.942204Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0812.2065","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":"2026-05-18T02:15:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tPeIdQHU+SXHB2OuqQlas20qjDd6WbqltSYGiE5+/W6xcmDUhxNey3L6FNeG/VAW1cWUouzvuZqMfbpZrj8JDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T07:17:42.066510Z"},"content_sha256":"fc2031e7d56df697898635ba64233d8315b5e085ace7e6930ea7cb8452a1be9f","schema_version":"1.0","event_id":"sha256:fc2031e7d56df697898635ba64233d8315b5e085ace7e6930ea7cb8452a1be9f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:PSLP6UZYFV6PZD7MEDEY66SOYR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A photometric study of the southern Blazhko star SS For Unambiguous detection of quintuplet components","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Boitumelo Ngwato, Elisabeth Guggenberger, Jan Lub, Katrien Kolenberg, Lukas Schmitzberger, Patrick Lenz, Paul Beck, Robert Shobbrook, Thebe Medupe","submitted_at":"2008-12-11T01:51:07Z","abstract_excerpt":"We present our analysis of photometric data in the Johnson B and V filter of the southern Blazhko star SS For. In parallel, we analyzed the V observations obtained with the ASAS-3 photometry of the star gathered between 2000 and 2008. In the frequency spectra resulting from a Fourier analysis of our data, the triplet structure is detectable up to high order, both in the B and V data. Moreover, we find evidence for quintuplet components. We confirm from our data that the modulation components decrease less steeply than the harmonics of the main frequency. We derived the variations of the Fourie"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0812.2065","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":"2026-05-18T02:15:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"K/zAla9GXslhBBxiGrmAWfaHxyoQ4KY0oFCzkITUfUbEtlA3vnvxJqK3YKs5Ud+nGM4H0hHC5arW7rGMiv1IAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T07:17:42.066862Z"},"content_sha256":"6efec8704b4baf6c7c93bf7ab61c6e2048819f7a48eabde6206a97d0a6fca1e7","schema_version":"1.0","event_id":"sha256:6efec8704b4baf6c7c93bf7ab61c6e2048819f7a48eabde6206a97d0a6fca1e7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PSLP6UZYFV6PZD7MEDEY66SOYR/bundle.json","state_url":"https://pith.science/pith/PSLP6UZYFV6PZD7MEDEY66SOYR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PSLP6UZYFV6PZD7MEDEY66SOYR/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":"2026-05-30T07:17:42Z","links":{"resolver":"https://pith.science/pith/PSLP6UZYFV6PZD7MEDEY66SOYR","bundle":"https://pith.science/pith/PSLP6UZYFV6PZD7MEDEY66SOYR/bundle.json","state":"https://pith.science/pith/PSLP6UZYFV6PZD7MEDEY66SOYR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PSLP6UZYFV6PZD7MEDEY66SOYR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:PSLP6UZYFV6PZD7MEDEY66SOYR","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":"2227b935f1d09480d25867cd74ff6ad93a677502b2ddf1b259378936e0e9bfb8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-12-11T01:51:07Z","title_canon_sha256":"c6a740a2bdde6dce7a087ebb40da0aa546cf2ad40122986ac42f78bc51a92d74"},"schema_version":"1.0","source":{"id":"0812.2065","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0812.2065","created_at":"2026-05-18T02:15:10Z"},{"alias_kind":"arxiv_version","alias_value":"0812.2065v1","created_at":"2026-05-18T02:15:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0812.2065","created_at":"2026-05-18T02:15:10Z"},{"alias_kind":"pith_short_12","alias_value":"PSLP6UZYFV6P","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_16","alias_value":"PSLP6UZYFV6PZD7M","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_8","alias_value":"PSLP6UZY","created_at":"2026-05-18T12:25:57Z"}],"graph_snapshots":[{"event_id":"sha256:6efec8704b4baf6c7c93bf7ab61c6e2048819f7a48eabde6206a97d0a6fca1e7","target":"graph","created_at":"2026-05-18T02:15:10Z","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 present our analysis of photometric data in the Johnson B and V filter of the southern Blazhko star SS For. In parallel, we analyzed the V observations obtained with the ASAS-3 photometry of the star gathered between 2000 and 2008. In the frequency spectra resulting from a Fourier analysis of our data, the triplet structure is detectable up to high order, both in the B and V data. Moreover, we find evidence for quintuplet components. We confirm from our data that the modulation components decrease less steeply than the harmonics of the main frequency. We derived the variations of the Fourie","authors_text":"Boitumelo Ngwato, Elisabeth Guggenberger, Jan Lub, Katrien Kolenberg, Lukas Schmitzberger, Patrick Lenz, Paul Beck, Robert Shobbrook, Thebe Medupe","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-12-11T01:51:07Z","title":"A photometric study of the southern Blazhko star SS For Unambiguous detection of quintuplet components"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0812.2065","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:fc2031e7d56df697898635ba64233d8315b5e085ace7e6930ea7cb8452a1be9f","target":"record","created_at":"2026-05-18T02:15:10Z","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":"2227b935f1d09480d25867cd74ff6ad93a677502b2ddf1b259378936e0e9bfb8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-12-11T01:51:07Z","title_canon_sha256":"c6a740a2bdde6dce7a087ebb40da0aa546cf2ad40122986ac42f78bc51a92d74"},"schema_version":"1.0","source":{"id":"0812.2065","kind":"arxiv","version":1}},"canonical_sha256":"7c96ff53382d7cfc8fec20c98f7a4ec4454b59f719834d69c93999927186a26e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7c96ff53382d7cfc8fec20c98f7a4ec4454b59f719834d69c93999927186a26e","first_computed_at":"2026-05-18T02:15:10.942204Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:15:10.942204Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zdUadY4BSbEgUer2BE9DN/arVhSeuiUPXlPBHmUQVQdkLC0n+tS4gdnQudLXnDqNuS7zWSo3eXP8vujRgxo3CQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:15:10.942968Z","signed_message":"canonical_sha256_bytes"},"source_id":"0812.2065","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fc2031e7d56df697898635ba64233d8315b5e085ace7e6930ea7cb8452a1be9f","sha256:6efec8704b4baf6c7c93bf7ab61c6e2048819f7a48eabde6206a97d0a6fca1e7"],"state_sha256":"fe7400fdc4f262f6b38ef3cc512f41fb7ba58d0f0c0b6bf030b941d1cae173a8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EuJoMwzcTBJs6/D25aFjcFy42JQsetIH5KhNuhHJNRjMw2tBA0tzV2F2qZGFzYsPN4LCSYgBp30RFvZMBZ/CDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T07:17:42.070350Z","bundle_sha256":"2ff776a44a85bf733ad27499c62cb0b7d1228c078517eeca1965f9ca2a7a413c"}}