{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:FHYVTRTPN5TEMBVC7N47MX5ZTH","short_pith_number":"pith:FHYVTRTP","canonical_record":{"source":{"id":"1804.00878","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AP","submitted_at":"2018-04-03T09:20:55Z","cross_cats_sorted":[],"title_canon_sha256":"d7f963f4ebac8f4cadbc76050b1cf134dd14f405763f2015c963b3ea13f61241","abstract_canon_sha256":"49ce4e28c3016bfc606b94fb40e5ee691d4f016241bfdceac5b5d3a71a3c13b7"},"schema_version":"1.0"},"canonical_sha256":"29f159c66f6f664606a2fb79f65fb999d2e7181cd27b3df795a292eea2dd8cfa","source":{"kind":"arxiv","id":"1804.00878","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.00878","created_at":"2026-05-17T23:50:28Z"},{"alias_kind":"arxiv_version","alias_value":"1804.00878v1","created_at":"2026-05-17T23:50:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.00878","created_at":"2026-05-17T23:50:28Z"},{"alias_kind":"pith_short_12","alias_value":"FHYVTRTPN5TE","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_16","alias_value":"FHYVTRTPN5TEMBVC","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_8","alias_value":"FHYVTRTP","created_at":"2026-05-18T12:32:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:FHYVTRTPN5TEMBVC7N47MX5ZTH","target":"record","payload":{"canonical_record":{"source":{"id":"1804.00878","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AP","submitted_at":"2018-04-03T09:20:55Z","cross_cats_sorted":[],"title_canon_sha256":"d7f963f4ebac8f4cadbc76050b1cf134dd14f405763f2015c963b3ea13f61241","abstract_canon_sha256":"49ce4e28c3016bfc606b94fb40e5ee691d4f016241bfdceac5b5d3a71a3c13b7"},"schema_version":"1.0"},"canonical_sha256":"29f159c66f6f664606a2fb79f65fb999d2e7181cd27b3df795a292eea2dd8cfa","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:50:28.304515Z","signature_b64":"rNGHN/wx31sgXCO9CjmRxyP4k+bzW1p/cujazCU4qlaKJXU+hTq10ylGWOkswwhtQAT5nmXox/OvOnRrMV1ECQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"29f159c66f6f664606a2fb79f65fb999d2e7181cd27b3df795a292eea2dd8cfa","last_reissued_at":"2026-05-17T23:50:28.303950Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:50:28.303950Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1804.00878","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":"2026-05-17T23:50:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"a4w2RBA7C6mdDCZ/PjS00MIvpxBZd6TRAvbFBC0/kBsY+/TYcTOSDjdPfC+Q0khnNUTSH6QpwWsgW3mxG04lBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T12:13:41.803000Z"},"content_sha256":"91c8a71316f816d95ec6032422916a5aeeb8702fc5e4fa2fe7acb119c2196e14","schema_version":"1.0","event_id":"sha256:91c8a71316f816d95ec6032422916a5aeeb8702fc5e4fa2fe7acb119c2196e14"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:FHYVTRTPN5TEMBVC7N47MX5ZTH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"An inverse problem for an electroseismic model describing the coupling phenomenon of electromagnetic and seismic waves","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"math.AP","authors_text":"Eric Bonnetier, Faouzi Triki, Qi Xue","submitted_at":"2018-04-03T09:20:55Z","abstract_excerpt":"The electroseismic model describes the coupling phenomenon of the electromagnetic waves and seismic waves in fluid immersed porous rock. Electric parameters have better contrast than elastic parameters while seismic waves provide better resolution because of the short wavelength. The combination of theses two different waves is prominent in oil exploration. Under some assumptions on the physical parameters, we derived a H\\\"older stability estimate to the inverse problem of recovery of the electric parameters and the coupling coefficient from the knowledge of the fields in a small open domain n"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.00878","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":"2026-05-17T23:50:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xkfVqgqJWiVcxnUpHRUyMT6M66L4avGYI/oPnYD+z1YTBa9QMjuoXxgv9ID1SP8O+a6rZo9VY0x6cV/DgYEfDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T12:13:41.803377Z"},"content_sha256":"633ee3830c7f89ab074b6e632a4873e95e9de2399a255577803b193fa57ddee8","schema_version":"1.0","event_id":"sha256:633ee3830c7f89ab074b6e632a4873e95e9de2399a255577803b193fa57ddee8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FHYVTRTPN5TEMBVC7N47MX5ZTH/bundle.json","state_url":"https://pith.science/pith/FHYVTRTPN5TEMBVC7N47MX5ZTH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FHYVTRTPN5TEMBVC7N47MX5ZTH/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":"2026-05-31T12:13:41Z","links":{"resolver":"https://pith.science/pith/FHYVTRTPN5TEMBVC7N47MX5ZTH","bundle":"https://pith.science/pith/FHYVTRTPN5TEMBVC7N47MX5ZTH/bundle.json","state":"https://pith.science/pith/FHYVTRTPN5TEMBVC7N47MX5ZTH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FHYVTRTPN5TEMBVC7N47MX5ZTH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:FHYVTRTPN5TEMBVC7N47MX5ZTH","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":"49ce4e28c3016bfc606b94fb40e5ee691d4f016241bfdceac5b5d3a71a3c13b7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AP","submitted_at":"2018-04-03T09:20:55Z","title_canon_sha256":"d7f963f4ebac8f4cadbc76050b1cf134dd14f405763f2015c963b3ea13f61241"},"schema_version":"1.0","source":{"id":"1804.00878","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.00878","created_at":"2026-05-17T23:50:28Z"},{"alias_kind":"arxiv_version","alias_value":"1804.00878v1","created_at":"2026-05-17T23:50:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.00878","created_at":"2026-05-17T23:50:28Z"},{"alias_kind":"pith_short_12","alias_value":"FHYVTRTPN5TE","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_16","alias_value":"FHYVTRTPN5TEMBVC","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_8","alias_value":"FHYVTRTP","created_at":"2026-05-18T12:32:22Z"}],"graph_snapshots":[{"event_id":"sha256:633ee3830c7f89ab074b6e632a4873e95e9de2399a255577803b193fa57ddee8","target":"graph","created_at":"2026-05-17T23:50:28Z","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 electroseismic model describes the coupling phenomenon of the electromagnetic waves and seismic waves in fluid immersed porous rock. Electric parameters have better contrast than elastic parameters while seismic waves provide better resolution because of the short wavelength. The combination of theses two different waves is prominent in oil exploration. Under some assumptions on the physical parameters, we derived a H\\\"older stability estimate to the inverse problem of recovery of the electric parameters and the coupling coefficient from the knowledge of the fields in a small open domain n","authors_text":"Eric Bonnetier, Faouzi Triki, Qi Xue","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AP","submitted_at":"2018-04-03T09:20:55Z","title":"An inverse problem for an electroseismic model describing the coupling phenomenon of electromagnetic and seismic waves"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.00878","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":"sha256:91c8a71316f816d95ec6032422916a5aeeb8702fc5e4fa2fe7acb119c2196e14","target":"record","created_at":"2026-05-17T23:50:28Z","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":"49ce4e28c3016bfc606b94fb40e5ee691d4f016241bfdceac5b5d3a71a3c13b7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AP","submitted_at":"2018-04-03T09:20:55Z","title_canon_sha256":"d7f963f4ebac8f4cadbc76050b1cf134dd14f405763f2015c963b3ea13f61241"},"schema_version":"1.0","source":{"id":"1804.00878","kind":"arxiv","version":1}},"canonical_sha256":"29f159c66f6f664606a2fb79f65fb999d2e7181cd27b3df795a292eea2dd8cfa","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"29f159c66f6f664606a2fb79f65fb999d2e7181cd27b3df795a292eea2dd8cfa","first_computed_at":"2026-05-17T23:50:28.303950Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:50:28.303950Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"rNGHN/wx31sgXCO9CjmRxyP4k+bzW1p/cujazCU4qlaKJXU+hTq10ylGWOkswwhtQAT5nmXox/OvOnRrMV1ECQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:50:28.304515Z","signed_message":"canonical_sha256_bytes"},"source_id":"1804.00878","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:91c8a71316f816d95ec6032422916a5aeeb8702fc5e4fa2fe7acb119c2196e14","sha256:633ee3830c7f89ab074b6e632a4873e95e9de2399a255577803b193fa57ddee8"],"state_sha256":"452ce62ab3acea2430b65e0f1d9f4fd9c8f0f7770d5624cc71d981bb8a0259a0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"M4k9OboBHJUTfvrKN+rZMYbqMbTqtNGBMHEeoNFRn0wkfQJqbuk7FXnBqNUSPygTcFxrcsryUmRkS4yOL5s9AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T12:13:41.805973Z","bundle_sha256":"27ab409aea7f002fcbf06d0016619fee75cf4d2127ef4a1512561bbaaddfdb59"}}