{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:OCQNRV6PVYGXIR5YAGHT2XW3ZM","short_pith_number":"pith:OCQNRV6P","canonical_record":{"source":{"id":"1208.0480","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-08-02T13:38:03Z","cross_cats_sorted":[],"title_canon_sha256":"5139f13cdbe2dc74b2ec3c2f344d8833a612a07a9a1a87e09441565b85ec1221","abstract_canon_sha256":"78c83827c43dca599732d27f30054b15d159aa03ead07317e7dc4b9a80e1cff6"},"schema_version":"1.0"},"canonical_sha256":"70a0d8d7cfae0d7447b8018f3d5edbcb39fc3edc788662ba196597afa085a353","source":{"kind":"arxiv","id":"1208.0480","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1208.0480","created_at":"2026-05-18T01:55:23Z"},{"alias_kind":"arxiv_version","alias_value":"1208.0480v1","created_at":"2026-05-18T01:55:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1208.0480","created_at":"2026-05-18T01:55:23Z"},{"alias_kind":"pith_short_12","alias_value":"OCQNRV6PVYGX","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_16","alias_value":"OCQNRV6PVYGXIR5Y","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_8","alias_value":"OCQNRV6P","created_at":"2026-05-18T12:27:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:OCQNRV6PVYGXIR5YAGHT2XW3ZM","target":"record","payload":{"canonical_record":{"source":{"id":"1208.0480","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-08-02T13:38:03Z","cross_cats_sorted":[],"title_canon_sha256":"5139f13cdbe2dc74b2ec3c2f344d8833a612a07a9a1a87e09441565b85ec1221","abstract_canon_sha256":"78c83827c43dca599732d27f30054b15d159aa03ead07317e7dc4b9a80e1cff6"},"schema_version":"1.0"},"canonical_sha256":"70a0d8d7cfae0d7447b8018f3d5edbcb39fc3edc788662ba196597afa085a353","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:55:23.826115Z","signature_b64":"fTJz1+PcK905d+mrWKzoskiyQmB80v9UfKs1oX9embuP68zDPE4P6LvnxA8LH62kXbuKL328DfHkhadDEcoDDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"70a0d8d7cfae0d7447b8018f3d5edbcb39fc3edc788662ba196597afa085a353","last_reissued_at":"2026-05-18T01:55:23.825624Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:55:23.825624Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1208.0480","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":"2026-05-18T01:55:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PlNb2pm1Ox0a1yarPLZbePDfb5I2SKXmEUMMvHCyb1dh6cmQw+FCA8TGsCPrFLgqR+lYh35Dkh8z2JOcsNZ6AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T14:40:23.908028Z"},"content_sha256":"d370f72a8a8cd23bd16172682fff58ba786ee5d3be49c7697a2abfb0293cd5a9","schema_version":"1.0","event_id":"sha256:d370f72a8a8cd23bd16172682fff58ba786ee5d3be49c7697a2abfb0293cd5a9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:OCQNRV6PVYGXIR5YAGHT2XW3ZM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Multiplicity of rapidly oscillating Ap stars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"D. W. Kurtz, M. Schoeller, S. Correia, S. Hubrig","submitted_at":"2012-08-02T13:38:03Z","abstract_excerpt":"Rapidly oscillating Ap (roAp) stars have rarely been found in binary or higher order multiple systems. This might have implications for their origin.\n  We intend to study the multiplicity of this type of chemically peculiar stars, looking for visual companions in the range of angular separation between 0.05\" and 8\".\n  We carried out a survey of 28 roAp stars using diffraction-limited near-infrared imaging with NAOS-CONICA at the VLT. Additionally, we observed three non-oscillating magnetic Ap stars.\n  We detected a total of six companion candidates with low chance projection probabilities. Fou"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1208.0480","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":"2026-05-18T01:55:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HcD7osC+xcUL1qJGWx6InVRvB1iXg/fI8Mv3k3iP1SQyeGoTpYB/RX1t5v98KKLfTl2GNUHrHi2iWT2FkoAsCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T14:40:23.908577Z"},"content_sha256":"9aff94ce02009c8206c7f1031b08b55aa5535fc9eb1e805ab8a0cba1ceed3c7d","schema_version":"1.0","event_id":"sha256:9aff94ce02009c8206c7f1031b08b55aa5535fc9eb1e805ab8a0cba1ceed3c7d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OCQNRV6PVYGXIR5YAGHT2XW3ZM/bundle.json","state_url":"https://pith.science/pith/OCQNRV6PVYGXIR5YAGHT2XW3ZM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OCQNRV6PVYGXIR5YAGHT2XW3ZM/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":"2026-05-30T14:40:23Z","links":{"resolver":"https://pith.science/pith/OCQNRV6PVYGXIR5YAGHT2XW3ZM","bundle":"https://pith.science/pith/OCQNRV6PVYGXIR5YAGHT2XW3ZM/bundle.json","state":"https://pith.science/pith/OCQNRV6PVYGXIR5YAGHT2XW3ZM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OCQNRV6PVYGXIR5YAGHT2XW3ZM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:OCQNRV6PVYGXIR5YAGHT2XW3ZM","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":"78c83827c43dca599732d27f30054b15d159aa03ead07317e7dc4b9a80e1cff6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-08-02T13:38:03Z","title_canon_sha256":"5139f13cdbe2dc74b2ec3c2f344d8833a612a07a9a1a87e09441565b85ec1221"},"schema_version":"1.0","source":{"id":"1208.0480","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1208.0480","created_at":"2026-05-18T01:55:23Z"},{"alias_kind":"arxiv_version","alias_value":"1208.0480v1","created_at":"2026-05-18T01:55:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1208.0480","created_at":"2026-05-18T01:55:23Z"},{"alias_kind":"pith_short_12","alias_value":"OCQNRV6PVYGX","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_16","alias_value":"OCQNRV6PVYGXIR5Y","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_8","alias_value":"OCQNRV6P","created_at":"2026-05-18T12:27:16Z"}],"graph_snapshots":[{"event_id":"sha256:9aff94ce02009c8206c7f1031b08b55aa5535fc9eb1e805ab8a0cba1ceed3c7d","target":"graph","created_at":"2026-05-18T01:55:23Z","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":"Rapidly oscillating Ap (roAp) stars have rarely been found in binary or higher order multiple systems. This might have implications for their origin.\n  We intend to study the multiplicity of this type of chemically peculiar stars, looking for visual companions in the range of angular separation between 0.05\" and 8\".\n  We carried out a survey of 28 roAp stars using diffraction-limited near-infrared imaging with NAOS-CONICA at the VLT. Additionally, we observed three non-oscillating magnetic Ap stars.\n  We detected a total of six companion candidates with low chance projection probabilities. Fou","authors_text":"D. W. Kurtz, M. Schoeller, S. Correia, S. Hubrig","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-08-02T13:38:03Z","title":"Multiplicity of rapidly oscillating Ap stars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1208.0480","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:d370f72a8a8cd23bd16172682fff58ba786ee5d3be49c7697a2abfb0293cd5a9","target":"record","created_at":"2026-05-18T01:55:23Z","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":"78c83827c43dca599732d27f30054b15d159aa03ead07317e7dc4b9a80e1cff6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-08-02T13:38:03Z","title_canon_sha256":"5139f13cdbe2dc74b2ec3c2f344d8833a612a07a9a1a87e09441565b85ec1221"},"schema_version":"1.0","source":{"id":"1208.0480","kind":"arxiv","version":1}},"canonical_sha256":"70a0d8d7cfae0d7447b8018f3d5edbcb39fc3edc788662ba196597afa085a353","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"70a0d8d7cfae0d7447b8018f3d5edbcb39fc3edc788662ba196597afa085a353","first_computed_at":"2026-05-18T01:55:23.825624Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:55:23.825624Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fTJz1+PcK905d+mrWKzoskiyQmB80v9UfKs1oX9embuP68zDPE4P6LvnxA8LH62kXbuKL328DfHkhadDEcoDDw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:55:23.826115Z","signed_message":"canonical_sha256_bytes"},"source_id":"1208.0480","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d370f72a8a8cd23bd16172682fff58ba786ee5d3be49c7697a2abfb0293cd5a9","sha256:9aff94ce02009c8206c7f1031b08b55aa5535fc9eb1e805ab8a0cba1ceed3c7d"],"state_sha256":"88ce5590aa208b1c1f19b96f96db19f15a2b00a126263d924904c1f79e517b5a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WcmcsHHE0HyiIO3tBgqiTDhwvyyk7XPco8tK1WKE1wKMn+QksEOGcVAZRNfDogNUgPLH27YQ/hRYG54rH1UqAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T14:40:23.912392Z","bundle_sha256":"5219c400bd227acf2af7f75824eb623c1d9e8cea9521499b0df1ba2ae82065bb"}}