{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:RMP7Q4VMSY2MXKBKZOGJEVTVHF","short_pith_number":"pith:RMP7Q4VM","canonical_record":{"source":{"id":"1903.11071","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2019-03-26T18:00:00Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"7e89bf80a46121cede9939dad8a9abd02315c802aa82bf26a34e0dbf26e1ff29","abstract_canon_sha256":"8e525e2c4087a4119c0255181d3caaa30aea0bc5d54d37a26adce345af035302"},"schema_version":"1.0"},"canonical_sha256":"8b1ff872ac9634cba82acb8c9256753961f774bef43c474fb2d1065eb01dcf76","source":{"kind":"arxiv","id":"1903.11071","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.11071","created_at":"2026-05-17T23:44:33Z"},{"alias_kind":"arxiv_version","alias_value":"1903.11071v2","created_at":"2026-05-17T23:44:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.11071","created_at":"2026-05-17T23:44:33Z"},{"alias_kind":"pith_short_12","alias_value":"RMP7Q4VMSY2M","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_16","alias_value":"RMP7Q4VMSY2MXKBK","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_8","alias_value":"RMP7Q4VM","created_at":"2026-05-18T12:33:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:RMP7Q4VMSY2MXKBKZOGJEVTVHF","target":"record","payload":{"canonical_record":{"source":{"id":"1903.11071","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2019-03-26T18:00:00Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"7e89bf80a46121cede9939dad8a9abd02315c802aa82bf26a34e0dbf26e1ff29","abstract_canon_sha256":"8e525e2c4087a4119c0255181d3caaa30aea0bc5d54d37a26adce345af035302"},"schema_version":"1.0"},"canonical_sha256":"8b1ff872ac9634cba82acb8c9256753961f774bef43c474fb2d1065eb01dcf76","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:44:33.833425Z","signature_b64":"8aQeozecl86hHHQjcyCnn4uhkr/yz/yThhnoq/65gIzMZsoF/VGASuMv7YxXiBtaVcPVpjfCx2IkDZKPjYvjCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8b1ff872ac9634cba82acb8c9256753961f774bef43c474fb2d1065eb01dcf76","last_reissued_at":"2026-05-17T23:44:33.832920Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:44:33.832920Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1903.11071","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:44:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mUhU3y8kLorNVFt3aKIIcQw/uWm6qZYKVRmHatGiUqhABmqm50p/qMn34K10g9ApnQJhdvKw/2bqQOhMXWaAAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T16:39:55.181148Z"},"content_sha256":"a65b1bf87c7fb9e3f83cabebd9873ff0ad2de46e2a5d1c18f4e53b376d7d511c","schema_version":"1.0","event_id":"sha256:a65b1bf87c7fb9e3f83cabebd9873ff0ad2de46e2a5d1c18f4e53b376d7d511c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:RMP7Q4VMSY2MXKBKZOGJEVTVHF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Transiting exocomets detected in broadband light by TESS in the $\\beta$ Pictoris system","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.EP"],"primary_cat":"astro-ph.SR","authors_text":"Grant M. Kennedy, Konstanze Zwintz, Matthew A. Kenworthy, Sebastian Zieba","submitted_at":"2019-03-26T18:00:00Z","abstract_excerpt":"We search for signs of falling evaporating bodies (FEBs, also known as exocomets) in photometric time series obtained for $\\beta$ Pictoris after fitting and removing its $\\delta$ Scuti type pulsation frequencies. Using photometric data obtained by the TESS satellite we determine the pulsational properties of the exoplanet host star $\\beta$ Pictoris through frequency analysis. We then prewhiten the 54 identified $\\delta$ Scuti p-modes and investigate the residual photometric time series for the presence of FEBs. We identify three distinct dipping events in the light curve of $\\beta$ Pictoris ov"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.11071","kind":"arxiv","version":2},"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":"2026-05-17T23:44:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"d32Dr4qPnChGkT4+NW9HhrG/LK+DLUl7LJ8TdkyewTjWossfuHbbZugjQQI9d6R73JX3PY9Wx3f05HGuqvwhDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T16:39:55.181500Z"},"content_sha256":"2fff369bcb7bf338df15fa6c89223f4080812c693d32dcf71a9556e230210ce1","schema_version":"1.0","event_id":"sha256:2fff369bcb7bf338df15fa6c89223f4080812c693d32dcf71a9556e230210ce1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RMP7Q4VMSY2MXKBKZOGJEVTVHF/bundle.json","state_url":"https://pith.science/pith/RMP7Q4VMSY2MXKBKZOGJEVTVHF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RMP7Q4VMSY2MXKBKZOGJEVTVHF/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":"2026-06-08T16:39:55Z","links":{"resolver":"https://pith.science/pith/RMP7Q4VMSY2MXKBKZOGJEVTVHF","bundle":"https://pith.science/pith/RMP7Q4VMSY2MXKBKZOGJEVTVHF/bundle.json","state":"https://pith.science/pith/RMP7Q4VMSY2MXKBKZOGJEVTVHF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RMP7Q4VMSY2MXKBKZOGJEVTVHF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:RMP7Q4VMSY2MXKBKZOGJEVTVHF","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":"8e525e2c4087a4119c0255181d3caaa30aea0bc5d54d37a26adce345af035302","cross_cats_sorted":["astro-ph.EP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2019-03-26T18:00:00Z","title_canon_sha256":"7e89bf80a46121cede9939dad8a9abd02315c802aa82bf26a34e0dbf26e1ff29"},"schema_version":"1.0","source":{"id":"1903.11071","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.11071","created_at":"2026-05-17T23:44:33Z"},{"alias_kind":"arxiv_version","alias_value":"1903.11071v2","created_at":"2026-05-17T23:44:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.11071","created_at":"2026-05-17T23:44:33Z"},{"alias_kind":"pith_short_12","alias_value":"RMP7Q4VMSY2M","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_16","alias_value":"RMP7Q4VMSY2MXKBK","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_8","alias_value":"RMP7Q4VM","created_at":"2026-05-18T12:33:27Z"}],"graph_snapshots":[{"event_id":"sha256:2fff369bcb7bf338df15fa6c89223f4080812c693d32dcf71a9556e230210ce1","target":"graph","created_at":"2026-05-17T23:44:33Z","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 search for signs of falling evaporating bodies (FEBs, also known as exocomets) in photometric time series obtained for $\\beta$ Pictoris after fitting and removing its $\\delta$ Scuti type pulsation frequencies. Using photometric data obtained by the TESS satellite we determine the pulsational properties of the exoplanet host star $\\beta$ Pictoris through frequency analysis. We then prewhiten the 54 identified $\\delta$ Scuti p-modes and investigate the residual photometric time series for the presence of FEBs. We identify three distinct dipping events in the light curve of $\\beta$ Pictoris ov","authors_text":"Grant M. Kennedy, Konstanze Zwintz, Matthew A. Kenworthy, Sebastian Zieba","cross_cats":["astro-ph.EP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2019-03-26T18:00:00Z","title":"Transiting exocomets detected in broadband light by TESS in the $\\beta$ Pictoris system"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.11071","kind":"arxiv","version":2},"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:a65b1bf87c7fb9e3f83cabebd9873ff0ad2de46e2a5d1c18f4e53b376d7d511c","target":"record","created_at":"2026-05-17T23:44:33Z","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":"8e525e2c4087a4119c0255181d3caaa30aea0bc5d54d37a26adce345af035302","cross_cats_sorted":["astro-ph.EP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2019-03-26T18:00:00Z","title_canon_sha256":"7e89bf80a46121cede9939dad8a9abd02315c802aa82bf26a34e0dbf26e1ff29"},"schema_version":"1.0","source":{"id":"1903.11071","kind":"arxiv","version":2}},"canonical_sha256":"8b1ff872ac9634cba82acb8c9256753961f774bef43c474fb2d1065eb01dcf76","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8b1ff872ac9634cba82acb8c9256753961f774bef43c474fb2d1065eb01dcf76","first_computed_at":"2026-05-17T23:44:33.832920Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:44:33.832920Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8aQeozecl86hHHQjcyCnn4uhkr/yz/yThhnoq/65gIzMZsoF/VGASuMv7YxXiBtaVcPVpjfCx2IkDZKPjYvjCQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:44:33.833425Z","signed_message":"canonical_sha256_bytes"},"source_id":"1903.11071","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a65b1bf87c7fb9e3f83cabebd9873ff0ad2de46e2a5d1c18f4e53b376d7d511c","sha256:2fff369bcb7bf338df15fa6c89223f4080812c693d32dcf71a9556e230210ce1"],"state_sha256":"0e93afa5c193b7632fb68c648b963bdbf74508b7a00ee85cb88a9f3be8c44e3f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1fEJfizpdwh+bHrhoJI3dC2tLFoCcSLdhdCwpzxy1wH8uy0jSu6+YTfQusczvJl5CBouT9FzPixHj5XR1Wk3BA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T16:39:55.184424Z","bundle_sha256":"d4814c41f517985c6d854c4cf4ad6805a86a7584988f1a458a4b5a56fc752ca8"}}