{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:K2SJUBXX5V5OUIRE4ICXOS77S2","short_pith_number":"pith:K2SJUBXX","canonical_record":{"source":{"id":"1812.06691","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2018-12-17T10:52:23Z","cross_cats_sorted":[],"title_canon_sha256":"8dd6115d7bafd4cfc05be794760c7c095701623547c5e3f72ce9963f41ea9e4a","abstract_canon_sha256":"23426c82da0f13052b250d0e8a6a7b6c1c53724664299cbac504750dff485e95"},"schema_version":"1.0"},"canonical_sha256":"56a49a06f7ed7aea2224e205774bff96942119dcbd8e663825f1cd62284085e8","source":{"kind":"arxiv","id":"1812.06691","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1812.06691","created_at":"2026-05-17T23:58:09Z"},{"alias_kind":"arxiv_version","alias_value":"1812.06691v1","created_at":"2026-05-17T23:58:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.06691","created_at":"2026-05-17T23:58:09Z"},{"alias_kind":"pith_short_12","alias_value":"K2SJUBXX5V5O","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_16","alias_value":"K2SJUBXX5V5OUIRE","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_8","alias_value":"K2SJUBXX","created_at":"2026-05-18T12:32:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:K2SJUBXX5V5OUIRE4ICXOS77S2","target":"record","payload":{"canonical_record":{"source":{"id":"1812.06691","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2018-12-17T10:52:23Z","cross_cats_sorted":[],"title_canon_sha256":"8dd6115d7bafd4cfc05be794760c7c095701623547c5e3f72ce9963f41ea9e4a","abstract_canon_sha256":"23426c82da0f13052b250d0e8a6a7b6c1c53724664299cbac504750dff485e95"},"schema_version":"1.0"},"canonical_sha256":"56a49a06f7ed7aea2224e205774bff96942119dcbd8e663825f1cd62284085e8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:58:09.573081Z","signature_b64":"ZLA4ycs6NdaPNhS3xOCcVDY6Byi3xczFSOJJ+iEKe4PJofJNlqr4wZtO9T4lLoXAilMFBQBRX++RwnDcoNbFBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"56a49a06f7ed7aea2224e205774bff96942119dcbd8e663825f1cd62284085e8","last_reissued_at":"2026-05-17T23:58:09.572383Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:58:09.572383Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1812.06691","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":"2026-05-17T23:58:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pBPYgEbM2VVnA0YxprZGYDj/2noHrGcXz4QB4i0LRt4mpte35I+6z7eJ9u5pXMsHAiWOD6V0IvFeevFH/KUUAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T22:49:47.216414Z"},"content_sha256":"e2145b7000dac7d0ef6df4ece4a8c11ecbdd7ec8dc7258a1f8fcf39105a9149a","schema_version":"1.0","event_id":"sha256:e2145b7000dac7d0ef6df4ece4a8c11ecbdd7ec8dc7258a1f8fcf39105a9149a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:K2SJUBXX5V5OUIRE4ICXOS77S2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"GAPS, low-energy antimatter for indirect dark-matter search","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.ins-det","authors_text":"A. Kawachi, A. Lowell, A. Stoessl, A. Yoshida, C. Gerrity, C.J. Hailey, C. Kato, D. Campana, E. Everson, E. Vannuccini, F. Gahbauer, F. Rogers, G. Osteria, G. Zampa, H. Fuke, J. Ryan, J. Zweerink, K. Munakata, K. Perez, L. Fabris, M. Boezio, M. Kozai, M. Martucci, N. Saffold, P. von Doetinchem, R.A. Ong, R. Bird, R. Munini, R. Sparvoli, S.E. Boggs, S.I. Mognet, S. Okazaki, S. Quinn, T. Aramaki, T. Hayashi, T. Yoshida, V. Bonvicini, V. Re, W.W. Craig, Y. Shimizu","submitted_at":"2018-12-17T10:52:23Z","abstract_excerpt":"The General Antiparticle Spectrometer (GAPS) is designed to carry out indirect dark matter search by measuring low-energy cosmic-ray antiparticles. Below a few GeVs the flux of antiparticles produced by cosmic-ray collisions with the interstellar medium is expected to be very low and several well-motivated beyond-standard models predict a sizable contribution to the antideuteron flux. GAPS is planned to fly on a long-duration balloon over Antarctica in the austral summer of 2020. The primary detector is a 1m3 central volume containing planes of Si(Li) detectors. This volume is surrounded by a "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.06691","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":"2026-05-17T23:58:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pbbyWQgf3BIjkzKO5HSocSM7jS/jcfQdOgY4tWp8J52K/e6hv8sJK2/XptkvztmxejoxfWsZFCXlie4xzgdmBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T22:49:47.217082Z"},"content_sha256":"ed046a9611db0f58b3a8f7b8591474e461f80084745ddbdeb333689dda4ac38c","schema_version":"1.0","event_id":"sha256:ed046a9611db0f58b3a8f7b8591474e461f80084745ddbdeb333689dda4ac38c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/K2SJUBXX5V5OUIRE4ICXOS77S2/bundle.json","state_url":"https://pith.science/pith/K2SJUBXX5V5OUIRE4ICXOS77S2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/K2SJUBXX5V5OUIRE4ICXOS77S2/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":"2026-05-29T22:49:47Z","links":{"resolver":"https://pith.science/pith/K2SJUBXX5V5OUIRE4ICXOS77S2","bundle":"https://pith.science/pith/K2SJUBXX5V5OUIRE4ICXOS77S2/bundle.json","state":"https://pith.science/pith/K2SJUBXX5V5OUIRE4ICXOS77S2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/K2SJUBXX5V5OUIRE4ICXOS77S2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:K2SJUBXX5V5OUIRE4ICXOS77S2","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":"23426c82da0f13052b250d0e8a6a7b6c1c53724664299cbac504750dff485e95","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2018-12-17T10:52:23Z","title_canon_sha256":"8dd6115d7bafd4cfc05be794760c7c095701623547c5e3f72ce9963f41ea9e4a"},"schema_version":"1.0","source":{"id":"1812.06691","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1812.06691","created_at":"2026-05-17T23:58:09Z"},{"alias_kind":"arxiv_version","alias_value":"1812.06691v1","created_at":"2026-05-17T23:58:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.06691","created_at":"2026-05-17T23:58:09Z"},{"alias_kind":"pith_short_12","alias_value":"K2SJUBXX5V5O","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_16","alias_value":"K2SJUBXX5V5OUIRE","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_8","alias_value":"K2SJUBXX","created_at":"2026-05-18T12:32:33Z"}],"graph_snapshots":[{"event_id":"sha256:ed046a9611db0f58b3a8f7b8591474e461f80084745ddbdeb333689dda4ac38c","target":"graph","created_at":"2026-05-17T23:58:09Z","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":"The General Antiparticle Spectrometer (GAPS) is designed to carry out indirect dark matter search by measuring low-energy cosmic-ray antiparticles. Below a few GeVs the flux of antiparticles produced by cosmic-ray collisions with the interstellar medium is expected to be very low and several well-motivated beyond-standard models predict a sizable contribution to the antideuteron flux. GAPS is planned to fly on a long-duration balloon over Antarctica in the austral summer of 2020. The primary detector is a 1m3 central volume containing planes of Si(Li) detectors. This volume is surrounded by a ","authors_text":"A. Kawachi, A. Lowell, A. Stoessl, A. Yoshida, C. Gerrity, C.J. Hailey, C. Kato, D. Campana, E. Everson, E. Vannuccini, F. Gahbauer, F. Rogers, G. Osteria, G. Zampa, H. Fuke, J. Ryan, J. Zweerink, K. Munakata, K. Perez, L. Fabris, M. Boezio, M. Kozai, M. Martucci, N. Saffold, P. von Doetinchem, R.A. Ong, R. Bird, R. Munini, R. Sparvoli, S.E. Boggs, S.I. Mognet, S. Okazaki, S. Quinn, T. Aramaki, T. Hayashi, T. Yoshida, V. Bonvicini, V. Re, W.W. Craig, Y. Shimizu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2018-12-17T10:52:23Z","title":"GAPS, low-energy antimatter for indirect dark-matter search"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.06691","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:e2145b7000dac7d0ef6df4ece4a8c11ecbdd7ec8dc7258a1f8fcf39105a9149a","target":"record","created_at":"2026-05-17T23:58:09Z","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":"23426c82da0f13052b250d0e8a6a7b6c1c53724664299cbac504750dff485e95","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2018-12-17T10:52:23Z","title_canon_sha256":"8dd6115d7bafd4cfc05be794760c7c095701623547c5e3f72ce9963f41ea9e4a"},"schema_version":"1.0","source":{"id":"1812.06691","kind":"arxiv","version":1}},"canonical_sha256":"56a49a06f7ed7aea2224e205774bff96942119dcbd8e663825f1cd62284085e8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"56a49a06f7ed7aea2224e205774bff96942119dcbd8e663825f1cd62284085e8","first_computed_at":"2026-05-17T23:58:09.572383Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:58:09.572383Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZLA4ycs6NdaPNhS3xOCcVDY6Byi3xczFSOJJ+iEKe4PJofJNlqr4wZtO9T4lLoXAilMFBQBRX++RwnDcoNbFBg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:58:09.573081Z","signed_message":"canonical_sha256_bytes"},"source_id":"1812.06691","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e2145b7000dac7d0ef6df4ece4a8c11ecbdd7ec8dc7258a1f8fcf39105a9149a","sha256:ed046a9611db0f58b3a8f7b8591474e461f80084745ddbdeb333689dda4ac38c"],"state_sha256":"ea63a08d3aeda063da78b9399ca955304f7fe3f5d60c7005970d2a7e53859556"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uf37YFpstFmVvWu9LZ2QUeHrtDutiqchnDrCtkXyRdZzl74K87q/uBDKrDofUPu8J3QtaUrAldwUJ34D6TO7Ag==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-29T22:49:47.220346Z","bundle_sha256":"7ba321da0969bf87ad0d2c2865254786be6ea46873f18f4d34b57f68158dee1a"}}