{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:F2F2METL6EVXFJJCNBYF5RR2UQ","short_pith_number":"pith:F2F2METL","canonical_record":{"source":{"id":"2606.00574","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2026-05-30T06:54:13Z","cross_cats_sorted":["astro-ph.EP","physics.space-ph"],"title_canon_sha256":"c8e32bdae1ddd45684d6a727e228a51c0b1efadf11cc2d10dd56890138ea5820","abstract_canon_sha256":"492473724b2b018919e28e577116fb3b67fd875d6f59d5ff2c6167dee0ba936d"},"schema_version":"1.0"},"canonical_sha256":"2e8ba6126bf12b72a52268705ec63aa436849f08e3bc79f4c073a322ffa01dbd","source":{"kind":"arxiv","id":"2606.00574","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.00574","created_at":"2026-06-02T01:03:58Z"},{"alias_kind":"arxiv_version","alias_value":"2606.00574v1","created_at":"2026-06-02T01:03:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.00574","created_at":"2026-06-02T01:03:58Z"},{"alias_kind":"pith_short_12","alias_value":"F2F2METL6EVX","created_at":"2026-06-02T01:03:58Z"},{"alias_kind":"pith_short_16","alias_value":"F2F2METL6EVXFJJC","created_at":"2026-06-02T01:03:58Z"},{"alias_kind":"pith_short_8","alias_value":"F2F2METL","created_at":"2026-06-02T01:03:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:F2F2METL6EVXFJJCNBYF5RR2UQ","target":"record","payload":{"canonical_record":{"source":{"id":"2606.00574","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2026-05-30T06:54:13Z","cross_cats_sorted":["astro-ph.EP","physics.space-ph"],"title_canon_sha256":"c8e32bdae1ddd45684d6a727e228a51c0b1efadf11cc2d10dd56890138ea5820","abstract_canon_sha256":"492473724b2b018919e28e577116fb3b67fd875d6f59d5ff2c6167dee0ba936d"},"schema_version":"1.0"},"canonical_sha256":"2e8ba6126bf12b72a52268705ec63aa436849f08e3bc79f4c073a322ffa01dbd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-02T01:03:58.693684Z","signature_b64":"7YYorZwOCtcCMmt/h2i3ZZPeiebKRQwZIOx9GwiPnM7nCEmHlzznBJioKD1yxCSgKTutzAeia74ezUtWJ92gBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2e8ba6126bf12b72a52268705ec63aa436849f08e3bc79f4c073a322ffa01dbd","last_reissued_at":"2026-06-02T01:03:58.693259Z","signature_status":"signed_v1","first_computed_at":"2026-06-02T01:03:58.693259Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.00574","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":"2026-06-02T01:03:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8Zn/HoLHAYssL0FdEdBRfcgo2nwQk1EX1ipZrwXeVqqFkumovln57LjpnTYviPM4vVjJuvyB0l+7Mf5mDE6vBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-28T22:36:54.309136Z"},"content_sha256":"a9fc4b99464309aaabe45dd82d8484dc6365396d853e6e49a106388154c60efe","schema_version":"1.0","event_id":"sha256:a9fc4b99464309aaabe45dd82d8484dc6365396d853e6e49a106388154c60efe"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:F2F2METL6EVXFJJCNBYF5RR2UQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Prospects for Astrobiology and Technosignature Searches with the Vera C. Rubin Observatory Legacy Survey of Space and Time","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.EP","physics.space-ph"],"primary_cat":"astro-ph.IM","authors_text":"Aleksandra Ciprijanovic, Andjelka B Kovacevic, Becky Long, Dominika Korczakowska, Juulia Voulukka, Maia Moore, Nigel J. Mason","submitted_at":"2026-05-30T06:54:13Z","abstract_excerpt":"The Vera C. Rubin Observatory Legacy Survey of Space and Time (LSST) will map sources in multiband colour--variability space. We present a prototype coherence-based framework for astrobiology and technosignature searches, in which candidates are treated as structured departures from natural astrophysical manifolds rather than isolated photometric outliers. We illustrate the framework with three simulated cases: five Kuiper Belt Object (KBO) surface/activity states, a grid of 649 synthetic exoplanet spectra with vegetation-red-edge-like (VRE) perturbations, and 500 synthetic multiband light cur"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.00574","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2606.00574/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-06-02T01:03:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/gekSay8Tg8a1voJkF3mn6JvGWeBBP2TdejAHACOCIUhy560mI78Fgiz39foyzzLiY4Ge/v+a+6FEYQERAt9AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-28T22:36:54.309537Z"},"content_sha256":"01f09e2e42f6018b55c20c44354cc34aa6ea6d305fc42944e893c7d5a6003c49","schema_version":"1.0","event_id":"sha256:01f09e2e42f6018b55c20c44354cc34aa6ea6d305fc42944e893c7d5a6003c49"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/F2F2METL6EVXFJJCNBYF5RR2UQ/bundle.json","state_url":"https://pith.science/pith/F2F2METL6EVXFJJCNBYF5RR2UQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/F2F2METL6EVXFJJCNBYF5RR2UQ/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":"2026-07-28T22:36:54Z","links":{"resolver":"https://pith.science/pith/F2F2METL6EVXFJJCNBYF5RR2UQ","bundle":"https://pith.science/pith/F2F2METL6EVXFJJCNBYF5RR2UQ/bundle.json","state":"https://pith.science/pith/F2F2METL6EVXFJJCNBYF5RR2UQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/F2F2METL6EVXFJJCNBYF5RR2UQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:F2F2METL6EVXFJJCNBYF5RR2UQ","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":"492473724b2b018919e28e577116fb3b67fd875d6f59d5ff2c6167dee0ba936d","cross_cats_sorted":["astro-ph.EP","physics.space-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2026-05-30T06:54:13Z","title_canon_sha256":"c8e32bdae1ddd45684d6a727e228a51c0b1efadf11cc2d10dd56890138ea5820"},"schema_version":"1.0","source":{"id":"2606.00574","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.00574","created_at":"2026-06-02T01:03:58Z"},{"alias_kind":"arxiv_version","alias_value":"2606.00574v1","created_at":"2026-06-02T01:03:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.00574","created_at":"2026-06-02T01:03:58Z"},{"alias_kind":"pith_short_12","alias_value":"F2F2METL6EVX","created_at":"2026-06-02T01:03:58Z"},{"alias_kind":"pith_short_16","alias_value":"F2F2METL6EVXFJJC","created_at":"2026-06-02T01:03:58Z"},{"alias_kind":"pith_short_8","alias_value":"F2F2METL","created_at":"2026-06-02T01:03:58Z"}],"graph_snapshots":[{"event_id":"sha256:01f09e2e42f6018b55c20c44354cc34aa6ea6d305fc42944e893c7d5a6003c49","target":"graph","created_at":"2026-06-02T01:03:58Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2606.00574/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The Vera C. Rubin Observatory Legacy Survey of Space and Time (LSST) will map sources in multiband colour--variability space. We present a prototype coherence-based framework for astrobiology and technosignature searches, in which candidates are treated as structured departures from natural astrophysical manifolds rather than isolated photometric outliers. We illustrate the framework with three simulated cases: five Kuiper Belt Object (KBO) surface/activity states, a grid of 649 synthetic exoplanet spectra with vegetation-red-edge-like (VRE) perturbations, and 500 synthetic multiband light cur","authors_text":"Aleksandra Ciprijanovic, Andjelka B Kovacevic, Becky Long, Dominika Korczakowska, Juulia Voulukka, Maia Moore, Nigel J. Mason","cross_cats":["astro-ph.EP","physics.space-ph"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2026-05-30T06:54:13Z","title":"Prospects for Astrobiology and Technosignature Searches with the Vera C. Rubin Observatory Legacy Survey of Space and Time"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.00574","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:a9fc4b99464309aaabe45dd82d8484dc6365396d853e6e49a106388154c60efe","target":"record","created_at":"2026-06-02T01:03:58Z","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":"492473724b2b018919e28e577116fb3b67fd875d6f59d5ff2c6167dee0ba936d","cross_cats_sorted":["astro-ph.EP","physics.space-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2026-05-30T06:54:13Z","title_canon_sha256":"c8e32bdae1ddd45684d6a727e228a51c0b1efadf11cc2d10dd56890138ea5820"},"schema_version":"1.0","source":{"id":"2606.00574","kind":"arxiv","version":1}},"canonical_sha256":"2e8ba6126bf12b72a52268705ec63aa436849f08e3bc79f4c073a322ffa01dbd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2e8ba6126bf12b72a52268705ec63aa436849f08e3bc79f4c073a322ffa01dbd","first_computed_at":"2026-06-02T01:03:58.693259Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-02T01:03:58.693259Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7YYorZwOCtcCMmt/h2i3ZZPeiebKRQwZIOx9GwiPnM7nCEmHlzznBJioKD1yxCSgKTutzAeia74ezUtWJ92gBQ==","signature_status":"signed_v1","signed_at":"2026-06-02T01:03:58.693684Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.00574","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a9fc4b99464309aaabe45dd82d8484dc6365396d853e6e49a106388154c60efe","sha256:01f09e2e42f6018b55c20c44354cc34aa6ea6d305fc42944e893c7d5a6003c49"],"state_sha256":"c9272f1fa13fd01ca3b8162b81f45338b566e3f05c0613128902972b543b36a3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"A5F/fWssH+SptgmBapYmNEqUYuJB1HxQSfK1qhRdGbNovXNFKNmSbgqCBN96HAIeopRGFoRUtC4h6YGIUDeODw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-28T22:36:54.312118Z","bundle_sha256":"792d8925c9775b73279af0d88e6a0c03202ce4fdec542f2380f3d79150277bb3"}}