{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:I3LTSTXPAWHRNAU6MUHSCIQZYA","short_pith_number":"pith:I3LTSTXP","canonical_record":{"source":{"id":"1507.06686","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.space-ph","submitted_at":"2015-07-23T21:21:52Z","cross_cats_sorted":[],"title_canon_sha256":"68e122235518f490f8d9b52f3b693dcbea211e325b7ac8db3c3469f2c42a98cf","abstract_canon_sha256":"a75fe6dbd925a0ceb6caa60c89422f2386bda13078c858559e942bb5488f7c75"},"schema_version":"1.0"},"canonical_sha256":"46d7394eef058f16829e650f212219c017f1790f53adeddcd2134b68e71c7cdd","source":{"kind":"arxiv","id":"1507.06686","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1507.06686","created_at":"2026-05-18T01:23:03Z"},{"alias_kind":"arxiv_version","alias_value":"1507.06686v1","created_at":"2026-05-18T01:23:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1507.06686","created_at":"2026-05-18T01:23:03Z"},{"alias_kind":"pith_short_12","alias_value":"I3LTSTXPAWHR","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_16","alias_value":"I3LTSTXPAWHRNAU6","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_8","alias_value":"I3LTSTXP","created_at":"2026-05-18T12:29:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:I3LTSTXPAWHRNAU6MUHSCIQZYA","target":"record","payload":{"canonical_record":{"source":{"id":"1507.06686","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.space-ph","submitted_at":"2015-07-23T21:21:52Z","cross_cats_sorted":[],"title_canon_sha256":"68e122235518f490f8d9b52f3b693dcbea211e325b7ac8db3c3469f2c42a98cf","abstract_canon_sha256":"a75fe6dbd925a0ceb6caa60c89422f2386bda13078c858559e942bb5488f7c75"},"schema_version":"1.0"},"canonical_sha256":"46d7394eef058f16829e650f212219c017f1790f53adeddcd2134b68e71c7cdd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:23:03.613250Z","signature_b64":"dmF53OZ3zXAMd784r3Zuh/0oMiDB7HqflHi8J99MG1VIp66ESx4Zilbc6xBzgoKd80OTXoLoYOLlcxKdvdW0Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"46d7394eef058f16829e650f212219c017f1790f53adeddcd2134b68e71c7cdd","last_reissued_at":"2026-05-18T01:23:03.612702Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:23:03.612702Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1507.06686","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":"2026-05-18T01:23:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Y4iQmNtjmtjMmXnnZFjCt6qjn69Oe0v/kkD6pNcAVMip4dndQxMyoNeUCPFHQjTK974p6pbd6KYk2Q6JfEbMAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-26T10:41:27.496040Z"},"content_sha256":"565a08ff666f92522acbfbb18bd29aed196be66c1fb0449c5bffb28a88d866d8","schema_version":"1.0","event_id":"sha256:565a08ff666f92522acbfbb18bd29aed196be66c1fb0449c5bffb28a88d866d8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:I3LTSTXPAWHRNAU6MUHSCIQZYA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Magnetosphere-Ionosphere Coupling and Field-Aligned Currents","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.space-ph","authors_text":"D. M. Oliveira","submitted_at":"2015-07-23T21:21:52Z","abstract_excerpt":"It is presented in this paper a review of one of several interactions between the magnetosphere and the ionosphere through the field-aligned currents (FACs). Some characteristics and physical implications of the currents flowing in a plane perpendicular to the magnetic field at high latitudes are discussed. The behavior of this system as an electric circuit is explained, where momentum and energy are transferred via Poynting flux from the magnetosphere into the ionosphere."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1507.06686","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":"2026-05-18T01:23:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ask7555ehIvfaXDx3bJkcw+Wjkd+wrqYO1hlbz9uIps9UoqLGRU2L+nmH8EOy/u2IRByPtskv/e1qxoXmc5cDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-26T10:41:27.496406Z"},"content_sha256":"85e64fc2163100179d4a37533766b377c1dca8bfd5e7178523b39d7225bba120","schema_version":"1.0","event_id":"sha256:85e64fc2163100179d4a37533766b377c1dca8bfd5e7178523b39d7225bba120"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/I3LTSTXPAWHRNAU6MUHSCIQZYA/bundle.json","state_url":"https://pith.science/pith/I3LTSTXPAWHRNAU6MUHSCIQZYA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/I3LTSTXPAWHRNAU6MUHSCIQZYA/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":"2026-06-26T10:41:27Z","links":{"resolver":"https://pith.science/pith/I3LTSTXPAWHRNAU6MUHSCIQZYA","bundle":"https://pith.science/pith/I3LTSTXPAWHRNAU6MUHSCIQZYA/bundle.json","state":"https://pith.science/pith/I3LTSTXPAWHRNAU6MUHSCIQZYA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/I3LTSTXPAWHRNAU6MUHSCIQZYA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:I3LTSTXPAWHRNAU6MUHSCIQZYA","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":"a75fe6dbd925a0ceb6caa60c89422f2386bda13078c858559e942bb5488f7c75","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.space-ph","submitted_at":"2015-07-23T21:21:52Z","title_canon_sha256":"68e122235518f490f8d9b52f3b693dcbea211e325b7ac8db3c3469f2c42a98cf"},"schema_version":"1.0","source":{"id":"1507.06686","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1507.06686","created_at":"2026-05-18T01:23:03Z"},{"alias_kind":"arxiv_version","alias_value":"1507.06686v1","created_at":"2026-05-18T01:23:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1507.06686","created_at":"2026-05-18T01:23:03Z"},{"alias_kind":"pith_short_12","alias_value":"I3LTSTXPAWHR","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_16","alias_value":"I3LTSTXPAWHRNAU6","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_8","alias_value":"I3LTSTXP","created_at":"2026-05-18T12:29:25Z"}],"graph_snapshots":[{"event_id":"sha256:85e64fc2163100179d4a37533766b377c1dca8bfd5e7178523b39d7225bba120","target":"graph","created_at":"2026-05-18T01:23:03Z","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":"It is presented in this paper a review of one of several interactions between the magnetosphere and the ionosphere through the field-aligned currents (FACs). Some characteristics and physical implications of the currents flowing in a plane perpendicular to the magnetic field at high latitudes are discussed. The behavior of this system as an electric circuit is explained, where momentum and energy are transferred via Poynting flux from the magnetosphere into the ionosphere.","authors_text":"D. M. Oliveira","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.space-ph","submitted_at":"2015-07-23T21:21:52Z","title":"Magnetosphere-Ionosphere Coupling and Field-Aligned Currents"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1507.06686","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":"sha256:565a08ff666f92522acbfbb18bd29aed196be66c1fb0449c5bffb28a88d866d8","target":"record","created_at":"2026-05-18T01:23:03Z","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":"a75fe6dbd925a0ceb6caa60c89422f2386bda13078c858559e942bb5488f7c75","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.space-ph","submitted_at":"2015-07-23T21:21:52Z","title_canon_sha256":"68e122235518f490f8d9b52f3b693dcbea211e325b7ac8db3c3469f2c42a98cf"},"schema_version":"1.0","source":{"id":"1507.06686","kind":"arxiv","version":1}},"canonical_sha256":"46d7394eef058f16829e650f212219c017f1790f53adeddcd2134b68e71c7cdd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"46d7394eef058f16829e650f212219c017f1790f53adeddcd2134b68e71c7cdd","first_computed_at":"2026-05-18T01:23:03.612702Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:23:03.612702Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dmF53OZ3zXAMd784r3Zuh/0oMiDB7HqflHi8J99MG1VIp66ESx4Zilbc6xBzgoKd80OTXoLoYOLlcxKdvdW0Dw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:23:03.613250Z","signed_message":"canonical_sha256_bytes"},"source_id":"1507.06686","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:565a08ff666f92522acbfbb18bd29aed196be66c1fb0449c5bffb28a88d866d8","sha256:85e64fc2163100179d4a37533766b377c1dca8bfd5e7178523b39d7225bba120"],"state_sha256":"ae7bf53736c298bb66d50de8edad4b8447c28f0085f522e88c9e769068d1e830"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"a6/W0jJ0D6LdSbSKBxn9VoHObxaez+tWpZewXnwHRTwfquLNlYKc/zW4/0xjKsstOLnkY2V4K2odkF1kJbxJAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-26T10:41:27.498401Z","bundle_sha256":"06e13bda200b439d97008754abd0c221bf8ff4472c9c0cddb9393c6c6550fe3a"}}