{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:CR6TFNVU2T34F6ANCSDJ7PE5KN","short_pith_number":"pith:CR6TFNVU","canonical_record":{"source":{"id":"1709.00207","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AP","submitted_at":"2017-09-01T09:21:12Z","cross_cats_sorted":["math-ph","math.MP"],"title_canon_sha256":"bee16405e5dcd76c03111830c3fc51b7e6daf50a5489ab01d19b2122ecb82d2c","abstract_canon_sha256":"543fab90b9127c2866d078f6da010bfe0f979eb555c5baad6875a184c68d5718"},"schema_version":"1.0"},"canonical_sha256":"147d32b6b4d4f7c2f80d14869fbc9d53641041ff4b04358c82d9e85cfa703021","source":{"kind":"arxiv","id":"1709.00207","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1709.00207","created_at":"2026-05-18T00:02:49Z"},{"alias_kind":"arxiv_version","alias_value":"1709.00207v1","created_at":"2026-05-18T00:02:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.00207","created_at":"2026-05-18T00:02:49Z"},{"alias_kind":"pith_short_12","alias_value":"CR6TFNVU2T34","created_at":"2026-05-18T12:31:10Z"},{"alias_kind":"pith_short_16","alias_value":"CR6TFNVU2T34F6AN","created_at":"2026-05-18T12:31:10Z"},{"alias_kind":"pith_short_8","alias_value":"CR6TFNVU","created_at":"2026-05-18T12:31:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:CR6TFNVU2T34F6ANCSDJ7PE5KN","target":"record","payload":{"canonical_record":{"source":{"id":"1709.00207","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AP","submitted_at":"2017-09-01T09:21:12Z","cross_cats_sorted":["math-ph","math.MP"],"title_canon_sha256":"bee16405e5dcd76c03111830c3fc51b7e6daf50a5489ab01d19b2122ecb82d2c","abstract_canon_sha256":"543fab90b9127c2866d078f6da010bfe0f979eb555c5baad6875a184c68d5718"},"schema_version":"1.0"},"canonical_sha256":"147d32b6b4d4f7c2f80d14869fbc9d53641041ff4b04358c82d9e85cfa703021","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:02:49.788365Z","signature_b64":"kcYtv1sjsgNK0aUxupIKKAcDuhfKGrBFPnWJBoG4QnRj0GmEQoiResmN4fwgMTwhwOLcFlhw7y1CbN/4EKCNDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"147d32b6b4d4f7c2f80d14869fbc9d53641041ff4b04358c82d9e85cfa703021","last_reissued_at":"2026-05-18T00:02:49.787802Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:02:49.787802Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1709.00207","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":"2026-05-18T00:02:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"b9GHp1PgA4mp+y6JKbOI0xjVIgAMF7nQZEuOY3dIAqcS42gOdHy0FdeKQqRwlqOAQFz9OCO5h+McfzZxlyjvAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T08:18:33.188445Z"},"content_sha256":"5ea3e592fedf9063af9cca18e950c87422117bde0c1a8af881c63cefdecfd7e0","schema_version":"1.0","event_id":"sha256:5ea3e592fedf9063af9cca18e950c87422117bde0c1a8af881c63cefdecfd7e0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:CR6TFNVU2T34F6ANCSDJ7PE5KN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quantitative reconstructions in multi-modal photoacoustic and optical coherence tomography imaging","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math-ph","math.MP"],"primary_cat":"math.AP","authors_text":"Leonidas Mindrinos, Otmar Scherzer, Peter Elbau","submitted_at":"2017-09-01T09:21:12Z","abstract_excerpt":"In this paper we perform quantitative reconstruction of the electric susceptibility and the Gr\\\"uneisen parameter of a non-magnetic linear dielectric medium using measurement of a multi-modal photoacoustic and optical coherence tomography system. We consider the mathematical model presented in [11], where a Fredholm integral equation of the first kind for the Gr\\\"uneisen parameter was derived. For the numerical solution of the integral equation we consider a Galerkin type method."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.00207","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":"2026-05-18T00:02:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MwfQ8cZ3LeTO8vzAqdyH70/EL0mW3s3YgBxpeeGMWDXKdyiTHos4S4Fi4d6HOygxHQoZxHCxcKEVwCbiP86ABw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T08:18:33.189112Z"},"content_sha256":"618d2efb868de861aea0162247c9b8132efa7c07fe687ed9b4ddfb1b3e41e068","schema_version":"1.0","event_id":"sha256:618d2efb868de861aea0162247c9b8132efa7c07fe687ed9b4ddfb1b3e41e068"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CR6TFNVU2T34F6ANCSDJ7PE5KN/bundle.json","state_url":"https://pith.science/pith/CR6TFNVU2T34F6ANCSDJ7PE5KN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CR6TFNVU2T34F6ANCSDJ7PE5KN/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":"2026-05-31T08:18:33Z","links":{"resolver":"https://pith.science/pith/CR6TFNVU2T34F6ANCSDJ7PE5KN","bundle":"https://pith.science/pith/CR6TFNVU2T34F6ANCSDJ7PE5KN/bundle.json","state":"https://pith.science/pith/CR6TFNVU2T34F6ANCSDJ7PE5KN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CR6TFNVU2T34F6ANCSDJ7PE5KN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:CR6TFNVU2T34F6ANCSDJ7PE5KN","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":"543fab90b9127c2866d078f6da010bfe0f979eb555c5baad6875a184c68d5718","cross_cats_sorted":["math-ph","math.MP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AP","submitted_at":"2017-09-01T09:21:12Z","title_canon_sha256":"bee16405e5dcd76c03111830c3fc51b7e6daf50a5489ab01d19b2122ecb82d2c"},"schema_version":"1.0","source":{"id":"1709.00207","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1709.00207","created_at":"2026-05-18T00:02:49Z"},{"alias_kind":"arxiv_version","alias_value":"1709.00207v1","created_at":"2026-05-18T00:02:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.00207","created_at":"2026-05-18T00:02:49Z"},{"alias_kind":"pith_short_12","alias_value":"CR6TFNVU2T34","created_at":"2026-05-18T12:31:10Z"},{"alias_kind":"pith_short_16","alias_value":"CR6TFNVU2T34F6AN","created_at":"2026-05-18T12:31:10Z"},{"alias_kind":"pith_short_8","alias_value":"CR6TFNVU","created_at":"2026-05-18T12:31:10Z"}],"graph_snapshots":[{"event_id":"sha256:618d2efb868de861aea0162247c9b8132efa7c07fe687ed9b4ddfb1b3e41e068","target":"graph","created_at":"2026-05-18T00:02:49Z","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":"In this paper we perform quantitative reconstruction of the electric susceptibility and the Gr\\\"uneisen parameter of a non-magnetic linear dielectric medium using measurement of a multi-modal photoacoustic and optical coherence tomography system. We consider the mathematical model presented in [11], where a Fredholm integral equation of the first kind for the Gr\\\"uneisen parameter was derived. For the numerical solution of the integral equation we consider a Galerkin type method.","authors_text":"Leonidas Mindrinos, Otmar Scherzer, Peter Elbau","cross_cats":["math-ph","math.MP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AP","submitted_at":"2017-09-01T09:21:12Z","title":"Quantitative reconstructions in multi-modal photoacoustic and optical coherence tomography imaging"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.00207","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":"sha256:5ea3e592fedf9063af9cca18e950c87422117bde0c1a8af881c63cefdecfd7e0","target":"record","created_at":"2026-05-18T00:02:49Z","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":"543fab90b9127c2866d078f6da010bfe0f979eb555c5baad6875a184c68d5718","cross_cats_sorted":["math-ph","math.MP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AP","submitted_at":"2017-09-01T09:21:12Z","title_canon_sha256":"bee16405e5dcd76c03111830c3fc51b7e6daf50a5489ab01d19b2122ecb82d2c"},"schema_version":"1.0","source":{"id":"1709.00207","kind":"arxiv","version":1}},"canonical_sha256":"147d32b6b4d4f7c2f80d14869fbc9d53641041ff4b04358c82d9e85cfa703021","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"147d32b6b4d4f7c2f80d14869fbc9d53641041ff4b04358c82d9e85cfa703021","first_computed_at":"2026-05-18T00:02:49.787802Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:02:49.787802Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kcYtv1sjsgNK0aUxupIKKAcDuhfKGrBFPnWJBoG4QnRj0GmEQoiResmN4fwgMTwhwOLcFlhw7y1CbN/4EKCNDw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:02:49.788365Z","signed_message":"canonical_sha256_bytes"},"source_id":"1709.00207","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5ea3e592fedf9063af9cca18e950c87422117bde0c1a8af881c63cefdecfd7e0","sha256:618d2efb868de861aea0162247c9b8132efa7c07fe687ed9b4ddfb1b3e41e068"],"state_sha256":"f48cec70c59c897dcca3f1622e15b0973cd2077352e3ac71e476bf92a0cca610"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"biB+ktgLbFfeY1K2PK59O1aiJPd1ZSYZ0ZGrupKw6zpRMqKZYn4TSUTXdb9BIf3EHVU4j22ZDJPxpFuP3o/2Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T08:18:33.192747Z","bundle_sha256":"70bea8bd630d4e15736d5496099c35d00991dc62106e6e36edb75b5eabc0408f"}}