{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:2PLSYOP3GAQOW3MZEUGTVHDUNL","short_pith_number":"pith:2PLSYOP3","canonical_record":{"source":{"id":"0906.3964","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2009-06-22T09:25:51Z","cross_cats_sorted":[],"title_canon_sha256":"1162713052a9cc91affad3b47c4f0d0bc976694788421786771ac4daaaed3bac","abstract_canon_sha256":"6169f15d9d4dbf6d397de4c65d049cbd4d761c6f65960b7c8a709188c6c27624"},"schema_version":"1.0"},"canonical_sha256":"d3d72c39fb3020eb6d99250d3a9c746aec1b0a2b7546a76646deb448dd79c85a","source":{"kind":"arxiv","id":"0906.3964","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0906.3964","created_at":"2026-05-18T02:13:13Z"},{"alias_kind":"arxiv_version","alias_value":"0906.3964v1","created_at":"2026-05-18T02:13:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0906.3964","created_at":"2026-05-18T02:13:13Z"},{"alias_kind":"pith_short_12","alias_value":"2PLSYOP3GAQO","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"2PLSYOP3GAQOW3MZ","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"2PLSYOP3","created_at":"2026-05-18T12:25:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:2PLSYOP3GAQOW3MZEUGTVHDUNL","target":"record","payload":{"canonical_record":{"source":{"id":"0906.3964","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2009-06-22T09:25:51Z","cross_cats_sorted":[],"title_canon_sha256":"1162713052a9cc91affad3b47c4f0d0bc976694788421786771ac4daaaed3bac","abstract_canon_sha256":"6169f15d9d4dbf6d397de4c65d049cbd4d761c6f65960b7c8a709188c6c27624"},"schema_version":"1.0"},"canonical_sha256":"d3d72c39fb3020eb6d99250d3a9c746aec1b0a2b7546a76646deb448dd79c85a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:13:13.497618Z","signature_b64":"iQ88wKfYkeqLoTisphyTbG3MicsPafqtI8wVO5VWvWJxaP6ed4QSJuyl+bFmANJOMYT8dwV+yV7Nl+TCj1KiDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d3d72c39fb3020eb6d99250d3a9c746aec1b0a2b7546a76646deb448dd79c85a","last_reissued_at":"2026-05-18T02:13:13.497200Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:13:13.497200Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0906.3964","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":"2026-05-18T02:13:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QQl79k/rnSbQ2+DmzJMWTFKManhOW0+eb8q0wGwtPSv09uGJ1sMhcp/cJ+bRslxpZsce4wF4TR1BxuiNiKB0Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T06:35:00.567873Z"},"content_sha256":"f8e403ff29f84bcdf99f7e47587afd5d3bd76040860e4dded1ecbe059035ff12","schema_version":"1.0","event_id":"sha256:f8e403ff29f84bcdf99f7e47587afd5d3bd76040860e4dded1ecbe059035ff12"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:2PLSYOP3GAQOW3MZEUGTVHDUNL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"SDSS J210014.12+004446.0 - dwarf nova with negative and positive superhumps","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. Olech, A. Rutkowski, A. Schwarzenberg-Czerny","submitted_at":"2009-06-22T09:25:51Z","abstract_excerpt":"We report the results of 67h of CCD photometry of the recently discovered dwarf nova SDSS J210014.12+004446.0. The data were obtained on 24 nights spanning a month. During this time we observed four ordinary outbursts lasting about 2-3 days and reaching an amplitude of ~1.7 mag. On all nights our light curve revealed persistent modulation with the stable period of 0.081088(3) days. These humps were already observed on one night by Tramposch et al. (2005), who additionally observed superhumps during a superoutburst. Remarkably, from scant evidence at their disposal they were able to discern the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0906.3964","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":"2026-05-18T02:13:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SpfNN28U0c8JvrX0E6fddVJuHz1Omnjh9/5pVyBWG4uoFtpjBo6gRZ08EWj1/GDCQqkvQhlmcbx8bDZDecadCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T06:35:00.568529Z"},"content_sha256":"35cf93fb5a9f8d210925f9033c34633c8a9f77b840a3c66edfe665c9a1ec625a","schema_version":"1.0","event_id":"sha256:35cf93fb5a9f8d210925f9033c34633c8a9f77b840a3c66edfe665c9a1ec625a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2PLSYOP3GAQOW3MZEUGTVHDUNL/bundle.json","state_url":"https://pith.science/pith/2PLSYOP3GAQOW3MZEUGTVHDUNL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2PLSYOP3GAQOW3MZEUGTVHDUNL/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":"2026-05-31T06:35:00Z","links":{"resolver":"https://pith.science/pith/2PLSYOP3GAQOW3MZEUGTVHDUNL","bundle":"https://pith.science/pith/2PLSYOP3GAQOW3MZEUGTVHDUNL/bundle.json","state":"https://pith.science/pith/2PLSYOP3GAQOW3MZEUGTVHDUNL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2PLSYOP3GAQOW3MZEUGTVHDUNL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:2PLSYOP3GAQOW3MZEUGTVHDUNL","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":"6169f15d9d4dbf6d397de4c65d049cbd4d761c6f65960b7c8a709188c6c27624","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2009-06-22T09:25:51Z","title_canon_sha256":"1162713052a9cc91affad3b47c4f0d0bc976694788421786771ac4daaaed3bac"},"schema_version":"1.0","source":{"id":"0906.3964","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0906.3964","created_at":"2026-05-18T02:13:13Z"},{"alias_kind":"arxiv_version","alias_value":"0906.3964v1","created_at":"2026-05-18T02:13:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0906.3964","created_at":"2026-05-18T02:13:13Z"},{"alias_kind":"pith_short_12","alias_value":"2PLSYOP3GAQO","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"2PLSYOP3GAQOW3MZ","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"2PLSYOP3","created_at":"2026-05-18T12:25:58Z"}],"graph_snapshots":[{"event_id":"sha256:35cf93fb5a9f8d210925f9033c34633c8a9f77b840a3c66edfe665c9a1ec625a","target":"graph","created_at":"2026-05-18T02:13:13Z","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 report the results of 67h of CCD photometry of the recently discovered dwarf nova SDSS J210014.12+004446.0. The data were obtained on 24 nights spanning a month. During this time we observed four ordinary outbursts lasting about 2-3 days and reaching an amplitude of ~1.7 mag. On all nights our light curve revealed persistent modulation with the stable period of 0.081088(3) days. These humps were already observed on one night by Tramposch et al. (2005), who additionally observed superhumps during a superoutburst. Remarkably, from scant evidence at their disposal they were able to discern the","authors_text":"A. Olech, A. Rutkowski, A. Schwarzenberg-Czerny","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2009-06-22T09:25:51Z","title":"SDSS J210014.12+004446.0 - dwarf nova with negative and positive superhumps"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0906.3964","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:f8e403ff29f84bcdf99f7e47587afd5d3bd76040860e4dded1ecbe059035ff12","target":"record","created_at":"2026-05-18T02:13:13Z","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":"6169f15d9d4dbf6d397de4c65d049cbd4d761c6f65960b7c8a709188c6c27624","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2009-06-22T09:25:51Z","title_canon_sha256":"1162713052a9cc91affad3b47c4f0d0bc976694788421786771ac4daaaed3bac"},"schema_version":"1.0","source":{"id":"0906.3964","kind":"arxiv","version":1}},"canonical_sha256":"d3d72c39fb3020eb6d99250d3a9c746aec1b0a2b7546a76646deb448dd79c85a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d3d72c39fb3020eb6d99250d3a9c746aec1b0a2b7546a76646deb448dd79c85a","first_computed_at":"2026-05-18T02:13:13.497200Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:13:13.497200Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"iQ88wKfYkeqLoTisphyTbG3MicsPafqtI8wVO5VWvWJxaP6ed4QSJuyl+bFmANJOMYT8dwV+yV7Nl+TCj1KiDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:13:13.497618Z","signed_message":"canonical_sha256_bytes"},"source_id":"0906.3964","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f8e403ff29f84bcdf99f7e47587afd5d3bd76040860e4dded1ecbe059035ff12","sha256:35cf93fb5a9f8d210925f9033c34633c8a9f77b840a3c66edfe665c9a1ec625a"],"state_sha256":"5f0a3db6fde998ea9be0c531740de2e5f493666c46b687a29eaf16cd7777c263"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XGpsgSXYtzklrLJwBYZUKa4aupdV3Fv+rIhf7eMmrPA5cG2Nn5H7met1Kds4SQzXetSfUXJKlT15jVpEhf4QCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T06:35:00.571788Z","bundle_sha256":"e442c2a476625eae1348bcdcc09d796ab83986b2792a75b88912c0c4856b58ed"}}