{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:LMKIRXH6ZRAJOGRP2QLE6ALCBA","short_pith_number":"pith:LMKIRXH6","canonical_record":{"source":{"id":"1810.10792","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-10-25T09:11:31Z","cross_cats_sorted":[],"title_canon_sha256":"30c75683ac49459d6b3b4efcd04bde1dcfa9c0246040472e6e9b453ed26bdb03","abstract_canon_sha256":"018c93144efb7387f5e933472ec947617362fd67e233e850ee1f760abc3308ce"},"schema_version":"1.0"},"canonical_sha256":"5b1488dcfecc40971a2fd4164f0162080d9a5b33b7fff0991f72c0436e1186f6","source":{"kind":"arxiv","id":"1810.10792","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.10792","created_at":"2026-05-18T00:01:25Z"},{"alias_kind":"arxiv_version","alias_value":"1810.10792v1","created_at":"2026-05-18T00:01:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.10792","created_at":"2026-05-18T00:01:25Z"},{"alias_kind":"pith_short_12","alias_value":"LMKIRXH6ZRAJ","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_16","alias_value":"LMKIRXH6ZRAJOGRP","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_8","alias_value":"LMKIRXH6","created_at":"2026-05-18T12:32:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:LMKIRXH6ZRAJOGRP2QLE6ALCBA","target":"record","payload":{"canonical_record":{"source":{"id":"1810.10792","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-10-25T09:11:31Z","cross_cats_sorted":[],"title_canon_sha256":"30c75683ac49459d6b3b4efcd04bde1dcfa9c0246040472e6e9b453ed26bdb03","abstract_canon_sha256":"018c93144efb7387f5e933472ec947617362fd67e233e850ee1f760abc3308ce"},"schema_version":"1.0"},"canonical_sha256":"5b1488dcfecc40971a2fd4164f0162080d9a5b33b7fff0991f72c0436e1186f6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:01:25.398845Z","signature_b64":"3TZYLREEUciUcjXnoQyf2LtAjP3bLqPtBn/hypwEn8e1TIIunRdDWhhoQfsIImMUEqrpZO4C1bHaZKsEUa8kCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5b1488dcfecc40971a2fd4164f0162080d9a5b33b7fff0991f72c0436e1186f6","last_reissued_at":"2026-05-18T00:01:25.398416Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:01:25.398416Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1810.10792","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":"2026-05-18T00:01:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IFymVAW8UyBHxvWR8LatnHc9JJg5jZbW8MfyBWqqDFP1Nv3E4PX4T8HfVab+gK1Z3CB/O2ch1eOHfM1hLMrCAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T17:41:39.138694Z"},"content_sha256":"1278bf1528b75da066d2dc6acc7287ae1ec61012af023a7dff205bdf9174f18f","schema_version":"1.0","event_id":"sha256:1278bf1528b75da066d2dc6acc7287ae1ec61012af023a7dff205bdf9174f18f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:LMKIRXH6ZRAJOGRP2QLE6ALCBA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Kmt-2016-blg-1397b: Kmtnet-only discovery of a microlens giant planet","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Andrew Gould, Byeong-Gon Park, Cheongho Han, Chung-Uk Lee, Dong-Jin Kim, Dong-Joo Lee, Hyoun-Woo Kim, In-Gu Shin, Jennifer C. Yee, Kyu-Ha Hwang, Michael D. Albrow, Richard W. Pogge, Sang-Mok Cha, Seung-Lee Kim, Shude Mao, Sun-Ju Chung, Tianshu Wang, Weicheng Zang, Wei Zhu, Yongseok Lee, Yoon-Hyun Ryu, Yossi Shvartzvald, Youn Kil Jung","submitted_at":"2018-10-25T09:11:31Z","abstract_excerpt":"We report the discovery of a giant planet in the KMT-2016-BLG-1397 microlensing event, which was found by The Korea Microlensing Telescope Network (KMTNet) alone. The time scale of this event is t_E = 40.0 +- 0.5 days and the mass ratio between the lens star and its companion is q = 0.016 +- 0.002. The planetary perturbation in the light curve is a smooth bump, resulting in the classical binary-lens/binary-source (2L1S/1L2S) degeneracy. We measure the V - I color of the (putative) two sources in the 1L2S model, and then effectively rule out the binary source solution. The finite-source effect "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.10792","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":"2026-05-18T00:01:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"a+aL//hwOcll0Ydh0yyvyhvZpueKq+xGWa7YWN3gWwTaRoEktg+GWXwAVyLGwz4J6CQfBmSC7uDdCH2qZut5DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T17:41:39.139330Z"},"content_sha256":"e16b495329f29b97d6a387ad6a486406364570dc50e7f5db7ae05e1ea79d9773","schema_version":"1.0","event_id":"sha256:e16b495329f29b97d6a387ad6a486406364570dc50e7f5db7ae05e1ea79d9773"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LMKIRXH6ZRAJOGRP2QLE6ALCBA/bundle.json","state_url":"https://pith.science/pith/LMKIRXH6ZRAJOGRP2QLE6ALCBA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LMKIRXH6ZRAJOGRP2QLE6ALCBA/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":"2026-05-28T17:41:39Z","links":{"resolver":"https://pith.science/pith/LMKIRXH6ZRAJOGRP2QLE6ALCBA","bundle":"https://pith.science/pith/LMKIRXH6ZRAJOGRP2QLE6ALCBA/bundle.json","state":"https://pith.science/pith/LMKIRXH6ZRAJOGRP2QLE6ALCBA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LMKIRXH6ZRAJOGRP2QLE6ALCBA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:LMKIRXH6ZRAJOGRP2QLE6ALCBA","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":"018c93144efb7387f5e933472ec947617362fd67e233e850ee1f760abc3308ce","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-10-25T09:11:31Z","title_canon_sha256":"30c75683ac49459d6b3b4efcd04bde1dcfa9c0246040472e6e9b453ed26bdb03"},"schema_version":"1.0","source":{"id":"1810.10792","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.10792","created_at":"2026-05-18T00:01:25Z"},{"alias_kind":"arxiv_version","alias_value":"1810.10792v1","created_at":"2026-05-18T00:01:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.10792","created_at":"2026-05-18T00:01:25Z"},{"alias_kind":"pith_short_12","alias_value":"LMKIRXH6ZRAJ","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_16","alias_value":"LMKIRXH6ZRAJOGRP","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_8","alias_value":"LMKIRXH6","created_at":"2026-05-18T12:32:37Z"}],"graph_snapshots":[{"event_id":"sha256:e16b495329f29b97d6a387ad6a486406364570dc50e7f5db7ae05e1ea79d9773","target":"graph","created_at":"2026-05-18T00:01:25Z","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 discovery of a giant planet in the KMT-2016-BLG-1397 microlensing event, which was found by The Korea Microlensing Telescope Network (KMTNet) alone. The time scale of this event is t_E = 40.0 +- 0.5 days and the mass ratio between the lens star and its companion is q = 0.016 +- 0.002. The planetary perturbation in the light curve is a smooth bump, resulting in the classical binary-lens/binary-source (2L1S/1L2S) degeneracy. We measure the V - I color of the (putative) two sources in the 1L2S model, and then effectively rule out the binary source solution. The finite-source effect ","authors_text":"Andrew Gould, Byeong-Gon Park, Cheongho Han, Chung-Uk Lee, Dong-Jin Kim, Dong-Joo Lee, Hyoun-Woo Kim, In-Gu Shin, Jennifer C. Yee, Kyu-Ha Hwang, Michael D. Albrow, Richard W. Pogge, Sang-Mok Cha, Seung-Lee Kim, Shude Mao, Sun-Ju Chung, Tianshu Wang, Weicheng Zang, Wei Zhu, Yongseok Lee, Yoon-Hyun Ryu, Yossi Shvartzvald, Youn Kil Jung","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-10-25T09:11:31Z","title":"Kmt-2016-blg-1397b: Kmtnet-only discovery of a microlens giant planet"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.10792","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":"sha256:1278bf1528b75da066d2dc6acc7287ae1ec61012af023a7dff205bdf9174f18f","target":"record","created_at":"2026-05-18T00:01:25Z","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":"018c93144efb7387f5e933472ec947617362fd67e233e850ee1f760abc3308ce","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-10-25T09:11:31Z","title_canon_sha256":"30c75683ac49459d6b3b4efcd04bde1dcfa9c0246040472e6e9b453ed26bdb03"},"schema_version":"1.0","source":{"id":"1810.10792","kind":"arxiv","version":1}},"canonical_sha256":"5b1488dcfecc40971a2fd4164f0162080d9a5b33b7fff0991f72c0436e1186f6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5b1488dcfecc40971a2fd4164f0162080d9a5b33b7fff0991f72c0436e1186f6","first_computed_at":"2026-05-18T00:01:25.398416Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:01:25.398416Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3TZYLREEUciUcjXnoQyf2LtAjP3bLqPtBn/hypwEn8e1TIIunRdDWhhoQfsIImMUEqrpZO4C1bHaZKsEUa8kCA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:01:25.398845Z","signed_message":"canonical_sha256_bytes"},"source_id":"1810.10792","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1278bf1528b75da066d2dc6acc7287ae1ec61012af023a7dff205bdf9174f18f","sha256:e16b495329f29b97d6a387ad6a486406364570dc50e7f5db7ae05e1ea79d9773"],"state_sha256":"72bfd3709fc0810d6746955ef4c5a7090f7153e7177413a92ef6be0213ddb268"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"O8BpXPkCi+xGwFTGzpu27UPTHhNXiSTI3/ZnrV5khcqCXz58eVoKkOQw4UEjLKriXFIww6CN3LblIZQFv++IDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T17:41:39.142294Z","bundle_sha256":"39c190836547573518b44669acaf41e86e34d62f6b54e39c39964712ead69c82"}}