{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:OUDDDKNRTOE3RXO2Q676YZHV7L","short_pith_number":"pith:OUDDDKNR","canonical_record":{"source":{"id":"1502.01285","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math-ph","submitted_at":"2015-02-04T18:41:03Z","cross_cats_sorted":["math.MP"],"title_canon_sha256":"43cb64386656f3cd0f68372818e2cb0f560a863e5936b330b1a7313d8f4dc916","abstract_canon_sha256":"6804ebf3e69272f74e8e704e512d7561bcbdbe4e7c184321dfafac5225198630"},"schema_version":"1.0"},"canonical_sha256":"750631a9b19b89b8ddda87bfec64f5fac8e6b1084906c417277ddbf407cc3f06","source":{"kind":"arxiv","id":"1502.01285","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1502.01285","created_at":"2026-05-18T01:16:53Z"},{"alias_kind":"arxiv_version","alias_value":"1502.01285v1","created_at":"2026-05-18T01:16:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.01285","created_at":"2026-05-18T01:16:53Z"},{"alias_kind":"pith_short_12","alias_value":"OUDDDKNRTOE3","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_16","alias_value":"OUDDDKNRTOE3RXO2","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_8","alias_value":"OUDDDKNR","created_at":"2026-05-18T12:29:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:OUDDDKNRTOE3RXO2Q676YZHV7L","target":"record","payload":{"canonical_record":{"source":{"id":"1502.01285","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math-ph","submitted_at":"2015-02-04T18:41:03Z","cross_cats_sorted":["math.MP"],"title_canon_sha256":"43cb64386656f3cd0f68372818e2cb0f560a863e5936b330b1a7313d8f4dc916","abstract_canon_sha256":"6804ebf3e69272f74e8e704e512d7561bcbdbe4e7c184321dfafac5225198630"},"schema_version":"1.0"},"canonical_sha256":"750631a9b19b89b8ddda87bfec64f5fac8e6b1084906c417277ddbf407cc3f06","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:16:53.177204Z","signature_b64":"8tEtjz4FuGEILNeWX2Rup+OCalFYOkrXe7wIbLaXxCcqnFU70Aa67Qgj5fESs9y9iR6bHXqIYHAZxPLvER7XBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"750631a9b19b89b8ddda87bfec64f5fac8e6b1084906c417277ddbf407cc3f06","last_reissued_at":"2026-05-18T01:16:53.176488Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:16:53.176488Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1502.01285","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":"2026-05-18T01:16:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ju4+5GYtuZcZLXCfur8Y6efrKDxULDxiOqBUmzcLWXnOpZ3q9ML3kOT0vF+fJIBJWXVFoh3m2X9Lc65/PsyjCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T17:14:46.045573Z"},"content_sha256":"3b8cda957e6ce28a2d9b88a9a589578afd8de31a974f233794afc68ffa16f4a4","schema_version":"1.0","event_id":"sha256:3b8cda957e6ce28a2d9b88a9a589578afd8de31a974f233794afc68ffa16f4a4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:OUDDDKNRTOE3RXO2Q676YZHV7L","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Globally strictly convex cost functional for an inverse parabolic problem","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.MP"],"primary_cat":"math-ph","authors_text":"Michael V. Klibanov, Vladimir G. Kamburg","submitted_at":"2015-02-04T18:41:03Z","abstract_excerpt":"A coefficient inverse problem for a parabolic equation is considered. Using a Carleman Weight Function, a globally strictly convex cost functional is constructed for this problem."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.01285","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":"2026-05-18T01:16:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qNy7QrNIwix6N30DyJqNxE2uinPTFGd9QOfOphfRvBNqp/7x7VEJJ715FjsvFXfXWa/Cdxc7XRITwSwddd2hBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T17:14:46.045959Z"},"content_sha256":"3af54961fdcd05cba80c4adabedc5448bc486228c4944c1c8fd83906c04b456d","schema_version":"1.0","event_id":"sha256:3af54961fdcd05cba80c4adabedc5448bc486228c4944c1c8fd83906c04b456d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OUDDDKNRTOE3RXO2Q676YZHV7L/bundle.json","state_url":"https://pith.science/pith/OUDDDKNRTOE3RXO2Q676YZHV7L/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OUDDDKNRTOE3RXO2Q676YZHV7L/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":"2026-06-03T17:14:46Z","links":{"resolver":"https://pith.science/pith/OUDDDKNRTOE3RXO2Q676YZHV7L","bundle":"https://pith.science/pith/OUDDDKNRTOE3RXO2Q676YZHV7L/bundle.json","state":"https://pith.science/pith/OUDDDKNRTOE3RXO2Q676YZHV7L/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OUDDDKNRTOE3RXO2Q676YZHV7L/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:OUDDDKNRTOE3RXO2Q676YZHV7L","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":"6804ebf3e69272f74e8e704e512d7561bcbdbe4e7c184321dfafac5225198630","cross_cats_sorted":["math.MP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math-ph","submitted_at":"2015-02-04T18:41:03Z","title_canon_sha256":"43cb64386656f3cd0f68372818e2cb0f560a863e5936b330b1a7313d8f4dc916"},"schema_version":"1.0","source":{"id":"1502.01285","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1502.01285","created_at":"2026-05-18T01:16:53Z"},{"alias_kind":"arxiv_version","alias_value":"1502.01285v1","created_at":"2026-05-18T01:16:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.01285","created_at":"2026-05-18T01:16:53Z"},{"alias_kind":"pith_short_12","alias_value":"OUDDDKNRTOE3","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_16","alias_value":"OUDDDKNRTOE3RXO2","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_8","alias_value":"OUDDDKNR","created_at":"2026-05-18T12:29:34Z"}],"graph_snapshots":[{"event_id":"sha256:3af54961fdcd05cba80c4adabedc5448bc486228c4944c1c8fd83906c04b456d","target":"graph","created_at":"2026-05-18T01:16:53Z","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":"A coefficient inverse problem for a parabolic equation is considered. Using a Carleman Weight Function, a globally strictly convex cost functional is constructed for this problem.","authors_text":"Michael V. Klibanov, Vladimir G. Kamburg","cross_cats":["math.MP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math-ph","submitted_at":"2015-02-04T18:41:03Z","title":"Globally strictly convex cost functional for an inverse parabolic problem"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.01285","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":"sha256:3b8cda957e6ce28a2d9b88a9a589578afd8de31a974f233794afc68ffa16f4a4","target":"record","created_at":"2026-05-18T01:16:53Z","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":"6804ebf3e69272f74e8e704e512d7561bcbdbe4e7c184321dfafac5225198630","cross_cats_sorted":["math.MP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math-ph","submitted_at":"2015-02-04T18:41:03Z","title_canon_sha256":"43cb64386656f3cd0f68372818e2cb0f560a863e5936b330b1a7313d8f4dc916"},"schema_version":"1.0","source":{"id":"1502.01285","kind":"arxiv","version":1}},"canonical_sha256":"750631a9b19b89b8ddda87bfec64f5fac8e6b1084906c417277ddbf407cc3f06","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"750631a9b19b89b8ddda87bfec64f5fac8e6b1084906c417277ddbf407cc3f06","first_computed_at":"2026-05-18T01:16:53.176488Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:16:53.176488Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8tEtjz4FuGEILNeWX2Rup+OCalFYOkrXe7wIbLaXxCcqnFU70Aa67Qgj5fESs9y9iR6bHXqIYHAZxPLvER7XBA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:16:53.177204Z","signed_message":"canonical_sha256_bytes"},"source_id":"1502.01285","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3b8cda957e6ce28a2d9b88a9a589578afd8de31a974f233794afc68ffa16f4a4","sha256:3af54961fdcd05cba80c4adabedc5448bc486228c4944c1c8fd83906c04b456d"],"state_sha256":"49e9cc5357bbd4d396092750ce2bb089ab8dace16eac3ecaea27fdfddcd88f74"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9q+PLS8sdNKoli1mdytGFrXAZaCwyK/mfy7fmHpWL4Yti1j/caBBeD6tXOV78Pp4Q63jaI32/JSwtyQb9BarCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T17:14:46.047919Z","bundle_sha256":"f12bcee36426c93c9f94dfefa6c18d66c600d723e5927f0f768d4899f6cf175c"}}