{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:KLC2ECLBMLJHXVUFAZIILSUER5","short_pith_number":"pith:KLC2ECLB","canonical_record":{"source":{"id":"2607.13207","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.geo-ph","submitted_at":"2026-07-14T18:58:13Z","cross_cats_sorted":[],"title_canon_sha256":"d4093854c17bf77e196c4e4387adebe6e7ad44ef2204c5c62b560189d4874f08","abstract_canon_sha256":"b78f5bc2ed1d0285682d4a679d605239ae87eae4329bdd2ef1d59abc212eba60"},"schema_version":"1.0"},"canonical_sha256":"52c5a2096162d27bd685065085ca848f76736a151abd66fee5c00d1713a8559b","source":{"kind":"arxiv","id":"2607.13207","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.13207","created_at":"2026-07-16T00:22:02Z"},{"alias_kind":"arxiv_version","alias_value":"2607.13207v1","created_at":"2026-07-16T00:22:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.13207","created_at":"2026-07-16T00:22:02Z"},{"alias_kind":"pith_short_12","alias_value":"KLC2ECLBMLJH","created_at":"2026-07-16T00:22:02Z"},{"alias_kind":"pith_short_16","alias_value":"KLC2ECLBMLJHXVUF","created_at":"2026-07-16T00:22:02Z"},{"alias_kind":"pith_short_8","alias_value":"KLC2ECLB","created_at":"2026-07-16T00:22:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:KLC2ECLBMLJHXVUFAZIILSUER5","target":"record","payload":{"canonical_record":{"source":{"id":"2607.13207","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.geo-ph","submitted_at":"2026-07-14T18:58:13Z","cross_cats_sorted":[],"title_canon_sha256":"d4093854c17bf77e196c4e4387adebe6e7ad44ef2204c5c62b560189d4874f08","abstract_canon_sha256":"b78f5bc2ed1d0285682d4a679d605239ae87eae4329bdd2ef1d59abc212eba60"},"schema_version":"1.0"},"canonical_sha256":"52c5a2096162d27bd685065085ca848f76736a151abd66fee5c00d1713a8559b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-16T00:22:02.876457Z","signature_b64":"f+kJkEz/ra2AnJx/kjP4CHyVCLrPzCjnTMbju+LWAzmoj6EAsR0sbugKwyClhtWrE2eYNpkNRtZT6+75WB8VBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"52c5a2096162d27bd685065085ca848f76736a151abd66fee5c00d1713a8559b","last_reissued_at":"2026-07-16T00:22:02.875605Z","signature_status":"signed_v1","first_computed_at":"2026-07-16T00:22:02.875605Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2607.13207","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":"2026-07-16T00:22:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bUfjB+o22j/tKp867UBo3Bqyh1P48PRl/Xe80sOYB8+DkTwvfFp2YEftIMwT4XK6b49yEhjF4LMUyponN46IBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T05:50:48.500123Z"},"content_sha256":"a3b604d686758080934819c935ea5d6614e5b9733437fa4421d0b5b3b7225f9d","schema_version":"1.0","event_id":"sha256:a3b604d686758080934819c935ea5d6614e5b9733437fa4421d0b5b3b7225f9d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:KLC2ECLBMLJHXVUFAZIILSUER5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Estimation of Elastic Parameters with Guidance-based Diffusion model","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.geo-ph","authors_text":"Anjali Dixit, Francesco Brandolin, Tariq Alkhalifah","submitted_at":"2026-07-14T18:58:13Z","abstract_excerpt":"Elastic parameters are fundamental rock properties for reservoir characterization, but their reliable estimation from angle-stack seismic data remains challenging due to strong nonlinearity and imperfect physical modeling. Conventional deterministic approaches based on linearized Zoeppritz approximations yield a single point estimate and cannot quantify solution uncertainty, while probabilistic methods are computationally expensive. To address these limitations, we present a workflow for elastic parameter inversion from angle-stack seismic data using a guided diffusion model as an implicit pri"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.13207","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2607.13207/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-16T00:22:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KpNyq7qWWFhDhz+TGEMK548dNDWo6MAlbt+TGOKNHxQdfh+9rVj5D/q2uRjuhbzvHMwZnBE+uHob3hGW5DMGCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T05:50:48.500794Z"},"content_sha256":"79d8337196910c49b40861458bbc3ab5f3233c50ecbcec836b1e0d1f442f96cb","schema_version":"1.0","event_id":"sha256:79d8337196910c49b40861458bbc3ab5f3233c50ecbcec836b1e0d1f442f96cb"},{"event_type":"integrity_finding","subject_pith_number":"pith:2026:KLC2ECLBMLJHXVUFAZIILSUER5","target":"integrity","payload":{"note":"Identifier '10.1190/geo2016-0648.1' is syntactically valid but the DOI registry (doi.org) returned 404, and Crossref / OpenAlex / internal corpus also have no record. The cited work could not be located through any authoritative source.","snippet":"Dario Grana, Leandro Passos de Figueiredo, and Klaus Mosegaard. Prediction of co _2 saturation spatial distribution using geostatistical inversion of time-lapse seismic data. Geophysics, 82 0 (5): 0 M43--M56, 2017. doi:10.1190/geo2016-0648.","arxiv_id":"2607.13207","detector":"doi_compliance","evidence":{"doi":"10.1190/geo2016-0648.1","arxiv_id":null,"ref_index":17,"raw_excerpt":"Dario Grana, Leandro Passos de Figueiredo, and Klaus Mosegaard. Prediction of co _2 saturation spatial distribution using geostatistical inversion of time-lapse seismic data. Geophysics, 82 0 (5): 0 M43--M56, 2017. doi:10.1190/geo2016-0648.1","parse_status":"well_formed","verdict_class":"cross_source","checked_sources":["crossref_by_doi","openalex_by_doi","doi_org_head"],"resolution_status":"hard_miss"},"severity":"critical","ref_index":17,"audited_at":"2026-08-02T05:59:56.626776Z","event_type":"pith.integrity.v1","detected_doi":"10.1190/geo2016-0648.1","detector_url":"https://pith.science/pith-integrity-protocol#doi_compliance","external_url":null,"finding_type":"unresolvable_identifier","evidence_hash":"5fb9b4dfd3b37603133751268f32e3a170882096623a5cfcd0d3291b28a3ee31","paper_version":1,"verdict_class":"cross_source","resolved_title":null,"detector_version":"1.1.0","detected_arxiv_id":null,"integrity_event_id":17305,"payload_sha256":"0d4f5b6a8ddbfe78eebdb6ae376a85c6c259d31a1c7e9d3735ff65d260f4ffb5","signature_b64":"SkxRSsxvrDOPDd2c/tkPGDEvOowX4Hv+5pQ1uD0dzsKPvxzT/UieVy6NBha+Vo7pce+ajUgXSiEIUq4BBg7OCQ==","signing_key_id":"pith-v1-2026-05"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-08-02T06:03:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zWDVPpTO4h5bBGX+k0qoVNAgGJ4xSai+gS9vbUGRShnnvtFOcSFc3J0h2lkJYrCtrY+SpjKJN8epdwGQ6HwAAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T05:50:48.504808Z"},"content_sha256":"54c558730b33dcba7292f88d97e5690b0881abdeca16abc0c63cb36c05971ec5","schema_version":"1.0","event_id":"sha256:54c558730b33dcba7292f88d97e5690b0881abdeca16abc0c63cb36c05971ec5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KLC2ECLBMLJHXVUFAZIILSUER5/bundle.json","state_url":"https://pith.science/pith/KLC2ECLBMLJHXVUFAZIILSUER5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KLC2ECLBMLJHXVUFAZIILSUER5/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":"2026-08-10T05:50:48Z","links":{"resolver":"https://pith.science/pith/KLC2ECLBMLJHXVUFAZIILSUER5","bundle":"https://pith.science/pith/KLC2ECLBMLJHXVUFAZIILSUER5/bundle.json","state":"https://pith.science/pith/KLC2ECLBMLJHXVUFAZIILSUER5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KLC2ECLBMLJHXVUFAZIILSUER5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:KLC2ECLBMLJHXVUFAZIILSUER5","merge_version":"pith-open-graph-merge-v1","event_count":3,"valid_event_count":3,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"b78f5bc2ed1d0285682d4a679d605239ae87eae4329bdd2ef1d59abc212eba60","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.geo-ph","submitted_at":"2026-07-14T18:58:13Z","title_canon_sha256":"d4093854c17bf77e196c4e4387adebe6e7ad44ef2204c5c62b560189d4874f08"},"schema_version":"1.0","source":{"id":"2607.13207","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.13207","created_at":"2026-07-16T00:22:02Z"},{"alias_kind":"arxiv_version","alias_value":"2607.13207v1","created_at":"2026-07-16T00:22:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.13207","created_at":"2026-07-16T00:22:02Z"},{"alias_kind":"pith_short_12","alias_value":"KLC2ECLBMLJH","created_at":"2026-07-16T00:22:02Z"},{"alias_kind":"pith_short_16","alias_value":"KLC2ECLBMLJHXVUF","created_at":"2026-07-16T00:22:02Z"},{"alias_kind":"pith_short_8","alias_value":"KLC2ECLB","created_at":"2026-07-16T00:22:02Z"}],"graph_snapshots":[{"event_id":"sha256:79d8337196910c49b40861458bbc3ab5f3233c50ecbcec836b1e0d1f442f96cb","target":"graph","created_at":"2026-07-16T00:22:02Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2607.13207/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Elastic parameters are fundamental rock properties for reservoir characterization, but their reliable estimation from angle-stack seismic data remains challenging due to strong nonlinearity and imperfect physical modeling. Conventional deterministic approaches based on linearized Zoeppritz approximations yield a single point estimate and cannot quantify solution uncertainty, while probabilistic methods are computationally expensive. To address these limitations, we present a workflow for elastic parameter inversion from angle-stack seismic data using a guided diffusion model as an implicit pri","authors_text":"Anjali Dixit, Francesco Brandolin, Tariq Alkhalifah","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.geo-ph","submitted_at":"2026-07-14T18:58:13Z","title":"Estimation of Elastic Parameters with Guidance-based Diffusion model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.13207","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:a3b604d686758080934819c935ea5d6614e5b9733437fa4421d0b5b3b7225f9d","target":"record","created_at":"2026-07-16T00:22:02Z","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":"b78f5bc2ed1d0285682d4a679d605239ae87eae4329bdd2ef1d59abc212eba60","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.geo-ph","submitted_at":"2026-07-14T18:58:13Z","title_canon_sha256":"d4093854c17bf77e196c4e4387adebe6e7ad44ef2204c5c62b560189d4874f08"},"schema_version":"1.0","source":{"id":"2607.13207","kind":"arxiv","version":1}},"canonical_sha256":"52c5a2096162d27bd685065085ca848f76736a151abd66fee5c00d1713a8559b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"52c5a2096162d27bd685065085ca848f76736a151abd66fee5c00d1713a8559b","first_computed_at":"2026-07-16T00:22:02.875605Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-16T00:22:02.875605Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"f+kJkEz/ra2AnJx/kjP4CHyVCLrPzCjnTMbju+LWAzmoj6EAsR0sbugKwyClhtWrE2eYNpkNRtZT6+75WB8VBQ==","signature_status":"signed_v1","signed_at":"2026-07-16T00:22:02.876457Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.13207","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a3b604d686758080934819c935ea5d6614e5b9733437fa4421d0b5b3b7225f9d","sha256:79d8337196910c49b40861458bbc3ab5f3233c50ecbcec836b1e0d1f442f96cb","sha256:54c558730b33dcba7292f88d97e5690b0881abdeca16abc0c63cb36c05971ec5"],"state_sha256":"d22c46382277a667627882a1a6c2cfd368dd6fce7d25e992eefef1fcd8e219fd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fFhrvdohET06PQiThkLlqkBLtK3Dt3waZGVpvTpdcOyjxu5NLsYJTQT0jfVqzHHRJZVbKuiY14czuEu8eS7ZCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-10T05:50:48.507347Z","bundle_sha256":"d6c14079cc98dfc931524106e51da684596bd4fa65fba632000361db3118cfd7"}}