{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:WHLKKSBRXYFIZOXBIP464C7VS3","short_pith_number":"pith:WHLKKSBR","canonical_record":{"source":{"id":"1802.01750","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.geo-ph","submitted_at":"2018-02-06T01:05:08Z","cross_cats_sorted":[],"title_canon_sha256":"2fafa142279d4e7191ce7409499cc6a78bd1c937150362fdc56265f40fa06451","abstract_canon_sha256":"e19cbbf54e31fa1e70e26f15dede0815ed383ac958afea9f39a89212159ed77c"},"schema_version":"1.0"},"canonical_sha256":"b1d6a54831be0a8cbae143f9ee0bf596f01311f4492fe8e896c5a2d5ac24d0f9","source":{"kind":"arxiv","id":"1802.01750","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1802.01750","created_at":"2026-05-18T00:05:23Z"},{"alias_kind":"arxiv_version","alias_value":"1802.01750v1","created_at":"2026-05-18T00:05:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.01750","created_at":"2026-05-18T00:05:23Z"},{"alias_kind":"pith_short_12","alias_value":"WHLKKSBRXYFI","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_16","alias_value":"WHLKKSBRXYFIZOXB","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_8","alias_value":"WHLKKSBR","created_at":"2026-05-18T12:32:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:WHLKKSBRXYFIZOXBIP464C7VS3","target":"record","payload":{"canonical_record":{"source":{"id":"1802.01750","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.geo-ph","submitted_at":"2018-02-06T01:05:08Z","cross_cats_sorted":[],"title_canon_sha256":"2fafa142279d4e7191ce7409499cc6a78bd1c937150362fdc56265f40fa06451","abstract_canon_sha256":"e19cbbf54e31fa1e70e26f15dede0815ed383ac958afea9f39a89212159ed77c"},"schema_version":"1.0"},"canonical_sha256":"b1d6a54831be0a8cbae143f9ee0bf596f01311f4492fe8e896c5a2d5ac24d0f9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:05:23.823804Z","signature_b64":"IhEETrGr6dpbzeenlyhwbNURWkl8bQmUIljVAqVWQC69BpFfQ4AQhvAwH7GxVbIwBjXu4mgALDs7Z88Uigt6Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b1d6a54831be0a8cbae143f9ee0bf596f01311f4492fe8e896c5a2d5ac24d0f9","last_reissued_at":"2026-05-18T00:05:23.823245Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:05:23.823245Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1802.01750","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":"2026-05-18T00:05:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"G7JHlKB4KOsHR5608ppo55ZRWfsXW0fYpng1eJj2PtyJlL4Kb5DXIIeHPcuUJAw0+CZ++CUZs226wynXqbOjCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T14:49:31.352743Z"},"content_sha256":"7da86d719a4427d63d6fbf413e45fba16c17e3aadb2a7dfb62a7b7d95859ffed","schema_version":"1.0","event_id":"sha256:7da86d719a4427d63d6fbf413e45fba16c17e3aadb2a7dfb62a7b7d95859ffed"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:WHLKKSBRXYFIZOXBIP464C7VS3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Seafloor crustal deformation data along the subduction zones around Japan obtained by GNSS-A observations","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.geo-ph","authors_text":"Shun-ichi Watanabe, Tadashi Ishikawa, Yusuke Yokota","submitted_at":"2018-02-06T01:05:08Z","abstract_excerpt":"Crustal deformation data obtained by geodetic observation networks are foundations in the fields of geodesy and seismology. These data are essential for understanding plate motion and earthquake sources and for simulating earthquake and tsunami disasters. Although relatively scarce, seafloor geodetic data are particularly important for monitoring the behaviour of undersea interplate boundary regions. Since the mid-1990s, we have been developing the combined Global Navigation Satellite System-Acoustic ranging (GNSS-A) technique for realizing seafloor geodesy. This technique allows us to collect"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.01750","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":"2026-05-18T00:05:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"i9ofaieAdQ3jEOKkXndDZJ24gyDCGhMYNVSkSkEELfkYqxsbGsv3pYLHeREM1KBVLnh7H8BVxoeS7PXFf6FqCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T14:49:31.353081Z"},"content_sha256":"57352affac89e38d58bc510c13abebfd4c82936d1bfefb1af44deec1459133bc","schema_version":"1.0","event_id":"sha256:57352affac89e38d58bc510c13abebfd4c82936d1bfefb1af44deec1459133bc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WHLKKSBRXYFIZOXBIP464C7VS3/bundle.json","state_url":"https://pith.science/pith/WHLKKSBRXYFIZOXBIP464C7VS3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WHLKKSBRXYFIZOXBIP464C7VS3/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":"2026-06-27T14:49:31Z","links":{"resolver":"https://pith.science/pith/WHLKKSBRXYFIZOXBIP464C7VS3","bundle":"https://pith.science/pith/WHLKKSBRXYFIZOXBIP464C7VS3/bundle.json","state":"https://pith.science/pith/WHLKKSBRXYFIZOXBIP464C7VS3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WHLKKSBRXYFIZOXBIP464C7VS3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:WHLKKSBRXYFIZOXBIP464C7VS3","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":"e19cbbf54e31fa1e70e26f15dede0815ed383ac958afea9f39a89212159ed77c","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.geo-ph","submitted_at":"2018-02-06T01:05:08Z","title_canon_sha256":"2fafa142279d4e7191ce7409499cc6a78bd1c937150362fdc56265f40fa06451"},"schema_version":"1.0","source":{"id":"1802.01750","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1802.01750","created_at":"2026-05-18T00:05:23Z"},{"alias_kind":"arxiv_version","alias_value":"1802.01750v1","created_at":"2026-05-18T00:05:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.01750","created_at":"2026-05-18T00:05:23Z"},{"alias_kind":"pith_short_12","alias_value":"WHLKKSBRXYFI","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_16","alias_value":"WHLKKSBRXYFIZOXB","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_8","alias_value":"WHLKKSBR","created_at":"2026-05-18T12:32:59Z"}],"graph_snapshots":[{"event_id":"sha256:57352affac89e38d58bc510c13abebfd4c82936d1bfefb1af44deec1459133bc","target":"graph","created_at":"2026-05-18T00:05:23Z","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":"Crustal deformation data obtained by geodetic observation networks are foundations in the fields of geodesy and seismology. These data are essential for understanding plate motion and earthquake sources and for simulating earthquake and tsunami disasters. Although relatively scarce, seafloor geodetic data are particularly important for monitoring the behaviour of undersea interplate boundary regions. Since the mid-1990s, we have been developing the combined Global Navigation Satellite System-Acoustic ranging (GNSS-A) technique for realizing seafloor geodesy. This technique allows us to collect","authors_text":"Shun-ichi Watanabe, Tadashi Ishikawa, Yusuke Yokota","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.geo-ph","submitted_at":"2018-02-06T01:05:08Z","title":"Seafloor crustal deformation data along the subduction zones around Japan obtained by GNSS-A observations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.01750","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":"sha256:7da86d719a4427d63d6fbf413e45fba16c17e3aadb2a7dfb62a7b7d95859ffed","target":"record","created_at":"2026-05-18T00:05:23Z","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":"e19cbbf54e31fa1e70e26f15dede0815ed383ac958afea9f39a89212159ed77c","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.geo-ph","submitted_at":"2018-02-06T01:05:08Z","title_canon_sha256":"2fafa142279d4e7191ce7409499cc6a78bd1c937150362fdc56265f40fa06451"},"schema_version":"1.0","source":{"id":"1802.01750","kind":"arxiv","version":1}},"canonical_sha256":"b1d6a54831be0a8cbae143f9ee0bf596f01311f4492fe8e896c5a2d5ac24d0f9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b1d6a54831be0a8cbae143f9ee0bf596f01311f4492fe8e896c5a2d5ac24d0f9","first_computed_at":"2026-05-18T00:05:23.823245Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:05:23.823245Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"IhEETrGr6dpbzeenlyhwbNURWkl8bQmUIljVAqVWQC69BpFfQ4AQhvAwH7GxVbIwBjXu4mgALDs7Z88Uigt6Cw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:05:23.823804Z","signed_message":"canonical_sha256_bytes"},"source_id":"1802.01750","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7da86d719a4427d63d6fbf413e45fba16c17e3aadb2a7dfb62a7b7d95859ffed","sha256:57352affac89e38d58bc510c13abebfd4c82936d1bfefb1af44deec1459133bc"],"state_sha256":"014c75555ed4b92520ef32582dcabc128946991ea3cc2615f65415d2c06161a6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6tnl/xnrM8Nn+L8dYCryaYvv0lwDiwaR5JgfLIAGJxwjLUyRatbnv8dCkixd7xFyixqD3382OR30yR/OCbjfCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-27T14:49:31.354999Z","bundle_sha256":"b1160acd224a0be68174edab7e98a24f7dd9f1f76d5c2c3f93940c6f208a211e"}}