{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:VS364OLO3UM2AR6UFZIASIBZKT","short_pith_number":"pith:VS364OLO","canonical_record":{"source":{"id":"0808.0005","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-07-31T20:21:39Z","cross_cats_sorted":[],"title_canon_sha256":"65f3214ac3ffca7aa3c8bcef38bef5145d53171eac26638ab13f606b5784df3d","abstract_canon_sha256":"d0e7eeee2e20e13b4fc9ee1c141f749168af32218f1b571d8993bbebafb8c3dc"},"schema_version":"1.0"},"canonical_sha256":"acb7ee396edd19a047d42e5009203954cf2998e2289b7e4aab33f2eb80db4ca3","source":{"kind":"arxiv","id":"0808.0005","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0808.0005","created_at":"2026-07-04T15:13:20Z"},{"alias_kind":"arxiv_version","alias_value":"0808.0005v1","created_at":"2026-07-04T15:13:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0808.0005","created_at":"2026-07-04T15:13:20Z"},{"alias_kind":"pith_short_12","alias_value":"VS364OLO3UM2","created_at":"2026-07-04T15:13:20Z"},{"alias_kind":"pith_short_16","alias_value":"VS364OLO3UM2AR6U","created_at":"2026-07-04T15:13:20Z"},{"alias_kind":"pith_short_8","alias_value":"VS364OLO","created_at":"2026-07-04T15:13:20Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:VS364OLO3UM2AR6UFZIASIBZKT","target":"record","payload":{"canonical_record":{"source":{"id":"0808.0005","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-07-31T20:21:39Z","cross_cats_sorted":[],"title_canon_sha256":"65f3214ac3ffca7aa3c8bcef38bef5145d53171eac26638ab13f606b5784df3d","abstract_canon_sha256":"d0e7eeee2e20e13b4fc9ee1c141f749168af32218f1b571d8993bbebafb8c3dc"},"schema_version":"1.0"},"canonical_sha256":"acb7ee396edd19a047d42e5009203954cf2998e2289b7e4aab33f2eb80db4ca3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:13:20.692398Z","signature_b64":"+CKOYC3WZzNs1apoh5c5XuxrHwSefs9eQ1r/w+F/xi6ar0pxx/ivn7s2qK1VZQZLi2k9eEw8RxaUO/cA8hWyCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"acb7ee396edd19a047d42e5009203954cf2998e2289b7e4aab33f2eb80db4ca3","last_reissued_at":"2026-07-04T15:13:20.691980Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:13:20.691980Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0808.0005","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":"2026-07-04T15:13:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BqNcXost0MlmLstPzP0eAIoLIlTKvdA7D/WyGJFSrAy6J5bD4iyxXQsu5ZdmAnkXP1OHNSl+K+WJ3Wj7Ps9DAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T21:44:32.230994Z"},"content_sha256":"aec26466c99de7d82f7ab7e6ddb14eba256abec2782f1b045d938bae708a7732","schema_version":"1.0","event_id":"sha256:aec26466c99de7d82f7ab7e6ddb14eba256abec2782f1b045d938bae708a7732"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:VS364OLO3UM2AR6UFZIASIBZKT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Towards A Census of Earth-mass Exo-planets with Gravitational Microlensing","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. Cassan, A. Gould, A. Udalski, B.S. Gaudi, C. Coutures, C. Vinter, D. Bennett, D. Dominis-Prester, D. Heyrovsky, D. Kubas, E. Grebel, E. Kerins, I. Ribas, J.B. Marquette, J. Donatowicz, J. Greenhill, J. Menzies, J.P. Beaulieu, K. Cook, K. Horne, K. Sahu, N.J. Rattenbury, P. Fouqu\\'e, R. Bender, S. Brillant, S. Dieters, S. Mao, V. Batista, Y. Tsapras","submitted_at":"2008-07-31T20:21:39Z","abstract_excerpt":"Thirteen exo-planets have been discovered using the gravitational microlensing technique (out of which 7 have been published). These planets already demonstrate that super-Earths (with mass up to ~10 Earth masses) beyond the snow line are common and multiple planet systems are not rare. In this White Paper we introduce the basic concepts of the gravitational microlensing technique, summarise the current mode of discovery and outline future steps towards a complete census of planets including Earth-mass planets. In the near-term (over the next 5 years) we advocate a strategy of automated follow"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0808.0005","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/0808.0005/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":"2026-07-04T15:13:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"U0Nj25IsVa+/sRohJ6R/YIOOPPNKPsg8re9h0En0l6ESVkFrMcaQAi+jIF1NdIn6SXl51Mg2jMY7NgQIdtq2Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T21:44:32.231495Z"},"content_sha256":"0b294e26843d2b65612481f248f2984a894c9c1714281b626f161caca7f4c35f","schema_version":"1.0","event_id":"sha256:0b294e26843d2b65612481f248f2984a894c9c1714281b626f161caca7f4c35f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VS364OLO3UM2AR6UFZIASIBZKT/bundle.json","state_url":"https://pith.science/pith/VS364OLO3UM2AR6UFZIASIBZKT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VS364OLO3UM2AR6UFZIASIBZKT/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":"2026-08-03T21:44:32Z","links":{"resolver":"https://pith.science/pith/VS364OLO3UM2AR6UFZIASIBZKT","bundle":"https://pith.science/pith/VS364OLO3UM2AR6UFZIASIBZKT/bundle.json","state":"https://pith.science/pith/VS364OLO3UM2AR6UFZIASIBZKT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VS364OLO3UM2AR6UFZIASIBZKT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:VS364OLO3UM2AR6UFZIASIBZKT","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":"d0e7eeee2e20e13b4fc9ee1c141f749168af32218f1b571d8993bbebafb8c3dc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-07-31T20:21:39Z","title_canon_sha256":"65f3214ac3ffca7aa3c8bcef38bef5145d53171eac26638ab13f606b5784df3d"},"schema_version":"1.0","source":{"id":"0808.0005","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0808.0005","created_at":"2026-07-04T15:13:20Z"},{"alias_kind":"arxiv_version","alias_value":"0808.0005v1","created_at":"2026-07-04T15:13:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0808.0005","created_at":"2026-07-04T15:13:20Z"},{"alias_kind":"pith_short_12","alias_value":"VS364OLO3UM2","created_at":"2026-07-04T15:13:20Z"},{"alias_kind":"pith_short_16","alias_value":"VS364OLO3UM2AR6U","created_at":"2026-07-04T15:13:20Z"},{"alias_kind":"pith_short_8","alias_value":"VS364OLO","created_at":"2026-07-04T15:13:20Z"}],"graph_snapshots":[{"event_id":"sha256:0b294e26843d2b65612481f248f2984a894c9c1714281b626f161caca7f4c35f","target":"graph","created_at":"2026-07-04T15:13:20Z","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/0808.0005/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Thirteen exo-planets have been discovered using the gravitational microlensing technique (out of which 7 have been published). These planets already demonstrate that super-Earths (with mass up to ~10 Earth masses) beyond the snow line are common and multiple planet systems are not rare. In this White Paper we introduce the basic concepts of the gravitational microlensing technique, summarise the current mode of discovery and outline future steps towards a complete census of planets including Earth-mass planets. In the near-term (over the next 5 years) we advocate a strategy of automated follow","authors_text":"A. Cassan, A. Gould, A. Udalski, B.S. Gaudi, C. Coutures, C. Vinter, D. Bennett, D. Dominis-Prester, D. Heyrovsky, D. Kubas, E. Grebel, E. Kerins, I. Ribas, J.B. Marquette, J. Donatowicz, J. Greenhill, J. Menzies, J.P. Beaulieu, K. Cook, K. Horne, K. Sahu, N.J. Rattenbury, P. Fouqu\\'e, R. Bender, S. Brillant, S. Dieters, S. Mao, V. Batista, Y. Tsapras","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-07-31T20:21:39Z","title":"Towards A Census of Earth-mass Exo-planets with Gravitational Microlensing"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0808.0005","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:aec26466c99de7d82f7ab7e6ddb14eba256abec2782f1b045d938bae708a7732","target":"record","created_at":"2026-07-04T15:13:20Z","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":"d0e7eeee2e20e13b4fc9ee1c141f749168af32218f1b571d8993bbebafb8c3dc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-07-31T20:21:39Z","title_canon_sha256":"65f3214ac3ffca7aa3c8bcef38bef5145d53171eac26638ab13f606b5784df3d"},"schema_version":"1.0","source":{"id":"0808.0005","kind":"arxiv","version":1}},"canonical_sha256":"acb7ee396edd19a047d42e5009203954cf2998e2289b7e4aab33f2eb80db4ca3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"acb7ee396edd19a047d42e5009203954cf2998e2289b7e4aab33f2eb80db4ca3","first_computed_at":"2026-07-04T15:13:20.691980Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:13:20.691980Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+CKOYC3WZzNs1apoh5c5XuxrHwSefs9eQ1r/w+F/xi6ar0pxx/ivn7s2qK1VZQZLi2k9eEw8RxaUO/cA8hWyCg==","signature_status":"signed_v1","signed_at":"2026-07-04T15:13:20.692398Z","signed_message":"canonical_sha256_bytes"},"source_id":"0808.0005","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:aec26466c99de7d82f7ab7e6ddb14eba256abec2782f1b045d938bae708a7732","sha256:0b294e26843d2b65612481f248f2984a894c9c1714281b626f161caca7f4c35f"],"state_sha256":"9be9f0ac8cb014fcdb8d168066921074ffb099cc1ae766cd7af2067516f94a44"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Af3SXT692T2ZPMDZSVD2ePaa1uo/9JqFcwqjZqfbpHnoyT/M0bgPx2V6jKTynNstUgLtMNpMZwyi1nV+CS3sAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T21:44:32.235610Z","bundle_sha256":"b06129af754c6b662b177460d024904e0d17eac9b8e647f7f3f13c7fe210320a"}}