{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:EFBSIASKEXKEJQ4FPGTULODFY4","short_pith_number":"pith:EFBSIASK","canonical_record":{"source":{"id":"1508.02261","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.geo-ph","submitted_at":"2015-08-10T14:31:56Z","cross_cats_sorted":["physics.data-an"],"title_canon_sha256":"d82fb2a93af6e5653637c249e3d8f5be874766fd84cbc8399c756105ce7e63c5","abstract_canon_sha256":"b0d854938730d35f099b136f15b3f3d5feeb95070e418830e13b02091aee2934"},"schema_version":"1.0"},"canonical_sha256":"214324024a25d444c38579a745b865c71da972948c900a6322dd1d842416ab1e","source":{"kind":"arxiv","id":"1508.02261","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1508.02261","created_at":"2026-05-18T01:35:33Z"},{"alias_kind":"arxiv_version","alias_value":"1508.02261v1","created_at":"2026-05-18T01:35:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1508.02261","created_at":"2026-05-18T01:35:33Z"},{"alias_kind":"pith_short_12","alias_value":"EFBSIASKEXKE","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_16","alias_value":"EFBSIASKEXKEJQ4F","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_8","alias_value":"EFBSIASK","created_at":"2026-05-18T12:29:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:EFBSIASKEXKEJQ4FPGTULODFY4","target":"record","payload":{"canonical_record":{"source":{"id":"1508.02261","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.geo-ph","submitted_at":"2015-08-10T14:31:56Z","cross_cats_sorted":["physics.data-an"],"title_canon_sha256":"d82fb2a93af6e5653637c249e3d8f5be874766fd84cbc8399c756105ce7e63c5","abstract_canon_sha256":"b0d854938730d35f099b136f15b3f3d5feeb95070e418830e13b02091aee2934"},"schema_version":"1.0"},"canonical_sha256":"214324024a25d444c38579a745b865c71da972948c900a6322dd1d842416ab1e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:35:33.724202Z","signature_b64":"ms8LeTblHEOetkyxqwzodxNjI/3uWyCxJ6a4fivvgz/TVkJMX6IPcjBei3Pkv2h8O0U4VkUiqy6RDHUKnXpVAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"214324024a25d444c38579a745b865c71da972948c900a6322dd1d842416ab1e","last_reissued_at":"2026-05-18T01:35:33.723535Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:35:33.723535Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1508.02261","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":"2026-05-18T01:35:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nT3ec4l0tzAMFBRN2IZHdicMo2zOCSq4zDVuCyGuR/YsDirgaSx27yIa28uZGAaa46dppbwe1kp7XhG3Qtg8AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T18:10:13.474965Z"},"content_sha256":"31cc55529cb7e3c8cc59a1e4261a5206103c28f09bfafdbca0a854dbf56a297b","schema_version":"1.0","event_id":"sha256:31cc55529cb7e3c8cc59a1e4261a5206103c28f09bfafdbca0a854dbf56a297b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:EFBSIASKEXKEJQ4FPGTULODFY4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Feature-preserving interpolation and filtering of environmental time series","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.data-an"],"primary_cat":"physics.geo-ph","authors_text":"Damien Jougnot, Gregoire Mariethoz, Hassan Rezaee, Niklas Linde","submitted_at":"2015-08-10T14:31:56Z","abstract_excerpt":"We propose a method for filling gaps and removing interferences in time series for applications involving continuous monitoring of environmental variables. The approach is non-parametric and based on an iterative pattern-matching between the affected and the valid parts of the time series. It considers several variables jointly in the pattern matching process and allows preserving linear or non-linear dependences between variables. The uncertainty in the reconstructed time series is quantified through multiple realizations. The method is tested on self-potential data that are affected by stron"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1508.02261","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":"2026-05-18T01:35:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EHXZaMzNe5iITDY1nuKyG+KKJsUnQu5R725aQ8q8PlK8MN0SZyEM13ZkpbfzL8ISw6Fprp4X4tRq43DuD79NDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T18:10:13.475338Z"},"content_sha256":"ab2dcd03148ffedb0d4a962c217142ffebb7eb6e8496d68faf23132474cce338","schema_version":"1.0","event_id":"sha256:ab2dcd03148ffedb0d4a962c217142ffebb7eb6e8496d68faf23132474cce338"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EFBSIASKEXKEJQ4FPGTULODFY4/bundle.json","state_url":"https://pith.science/pith/EFBSIASKEXKEJQ4FPGTULODFY4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EFBSIASKEXKEJQ4FPGTULODFY4/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":"2026-06-01T18:10:13Z","links":{"resolver":"https://pith.science/pith/EFBSIASKEXKEJQ4FPGTULODFY4","bundle":"https://pith.science/pith/EFBSIASKEXKEJQ4FPGTULODFY4/bundle.json","state":"https://pith.science/pith/EFBSIASKEXKEJQ4FPGTULODFY4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EFBSIASKEXKEJQ4FPGTULODFY4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:EFBSIASKEXKEJQ4FPGTULODFY4","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":"b0d854938730d35f099b136f15b3f3d5feeb95070e418830e13b02091aee2934","cross_cats_sorted":["physics.data-an"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.geo-ph","submitted_at":"2015-08-10T14:31:56Z","title_canon_sha256":"d82fb2a93af6e5653637c249e3d8f5be874766fd84cbc8399c756105ce7e63c5"},"schema_version":"1.0","source":{"id":"1508.02261","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1508.02261","created_at":"2026-05-18T01:35:33Z"},{"alias_kind":"arxiv_version","alias_value":"1508.02261v1","created_at":"2026-05-18T01:35:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1508.02261","created_at":"2026-05-18T01:35:33Z"},{"alias_kind":"pith_short_12","alias_value":"EFBSIASKEXKE","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_16","alias_value":"EFBSIASKEXKEJQ4F","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_8","alias_value":"EFBSIASK","created_at":"2026-05-18T12:29:19Z"}],"graph_snapshots":[{"event_id":"sha256:ab2dcd03148ffedb0d4a962c217142ffebb7eb6e8496d68faf23132474cce338","target":"graph","created_at":"2026-05-18T01:35:33Z","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 propose a method for filling gaps and removing interferences in time series for applications involving continuous monitoring of environmental variables. The approach is non-parametric and based on an iterative pattern-matching between the affected and the valid parts of the time series. It considers several variables jointly in the pattern matching process and allows preserving linear or non-linear dependences between variables. The uncertainty in the reconstructed time series is quantified through multiple realizations. The method is tested on self-potential data that are affected by stron","authors_text":"Damien Jougnot, Gregoire Mariethoz, Hassan Rezaee, Niklas Linde","cross_cats":["physics.data-an"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.geo-ph","submitted_at":"2015-08-10T14:31:56Z","title":"Feature-preserving interpolation and filtering of environmental time series"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1508.02261","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":"sha256:31cc55529cb7e3c8cc59a1e4261a5206103c28f09bfafdbca0a854dbf56a297b","target":"record","created_at":"2026-05-18T01:35:33Z","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":"b0d854938730d35f099b136f15b3f3d5feeb95070e418830e13b02091aee2934","cross_cats_sorted":["physics.data-an"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.geo-ph","submitted_at":"2015-08-10T14:31:56Z","title_canon_sha256":"d82fb2a93af6e5653637c249e3d8f5be874766fd84cbc8399c756105ce7e63c5"},"schema_version":"1.0","source":{"id":"1508.02261","kind":"arxiv","version":1}},"canonical_sha256":"214324024a25d444c38579a745b865c71da972948c900a6322dd1d842416ab1e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"214324024a25d444c38579a745b865c71da972948c900a6322dd1d842416ab1e","first_computed_at":"2026-05-18T01:35:33.723535Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:35:33.723535Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ms8LeTblHEOetkyxqwzodxNjI/3uWyCxJ6a4fivvgz/TVkJMX6IPcjBei3Pkv2h8O0U4VkUiqy6RDHUKnXpVAw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:35:33.724202Z","signed_message":"canonical_sha256_bytes"},"source_id":"1508.02261","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:31cc55529cb7e3c8cc59a1e4261a5206103c28f09bfafdbca0a854dbf56a297b","sha256:ab2dcd03148ffedb0d4a962c217142ffebb7eb6e8496d68faf23132474cce338"],"state_sha256":"7cd0e56482ace6d18c1c0547cd088d2e6b0fdfec7413a1d6b3b41a9d07725502"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kof20aOjWTyllLQh1ArgyJ6ZPGCMlEbbgJkCUhd+q7/VkKGv1x5pI3Kq2l49WvOPab0r6RQpiunBx4sfAwV1Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T18:10:13.477276Z","bundle_sha256":"94f7b91aec947f9f183ec377814fbffeb821e00294ba9ea581eb0b7dd2f11054"}}