{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2007:FXBRYXL53Y52YKD4XRRIWABNCL","short_pith_number":"pith:FXBRYXL5","schema_version":"1.0","canonical_sha256":"2dc31c5d7dde3bac287cbc628b002d12e4de5ea13ab04630b8e154ddb6d1eeaf","source":{"kind":"arxiv","id":"0708.1715","version":2},"attestation_state":"computed","paper":{"title":"On the Structure of General Mean-Variance Hedging Strategies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.PR"],"primary_cat":"q-fin.PM","authors_text":"Ale\\v{s} \\v{C}ern\\'y, Jan Kallsen","submitted_at":"2007-08-13T14:16:08Z","abstract_excerpt":"We provide a new characterization of mean-variance hedging strategies in a general semimartingale market. The key point is the introduction of a new probability measure $P^{\\star}$ which turns the dynamic asset allocation problem into a myopic one. The minimal martingale measure relative to $P^{\\star}$ coincides with the variance-optimal martingale measure relative to the original probability measure $P$."},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"0708.1715","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-fin.PM","submitted_at":"2007-08-13T14:16:08Z","cross_cats_sorted":["math.PR"],"title_canon_sha256":"c33811d2fe0ddef56892aa5ae0c214d86ba1ddc704f44ba771ffd64bbe5766ac","abstract_canon_sha256":"38ecb6182fb172115b8482f7696d3f1b92b51ad017357eb413115258f279a8af"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:39:48.608880Z","signature_b64":"wraluxpViNQg/bmh0jVnuH/1IPJT6xcF7hPvcTQEtg4ROUAIYaLz3YFom8uV8E1IdVpMnvrL9amPl3n183eICA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2dc31c5d7dde3bac287cbc628b002d12e4de5ea13ab04630b8e154ddb6d1eeaf","last_reissued_at":"2026-05-18T00:39:48.608083Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:39:48.608083Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"On the Structure of General Mean-Variance Hedging Strategies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.PR"],"primary_cat":"q-fin.PM","authors_text":"Ale\\v{s} \\v{C}ern\\'y, Jan Kallsen","submitted_at":"2007-08-13T14:16:08Z","abstract_excerpt":"We provide a new characterization of mean-variance hedging strategies in a general semimartingale market. The key point is the introduction of a new probability measure $P^{\\star}$ which turns the dynamic asset allocation problem into a myopic one. The minimal martingale measure relative to $P^{\\star}$ coincides with the variance-optimal martingale measure relative to the original probability measure $P$."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0708.1715","kind":"arxiv","version":2},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"0708.1715","created_at":"2026-05-18T00:39:48.608214+00:00"},{"alias_kind":"arxiv_version","alias_value":"0708.1715v2","created_at":"2026-05-18T00:39:48.608214+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0708.1715","created_at":"2026-05-18T00:39:48.608214+00:00"},{"alias_kind":"pith_short_12","alias_value":"FXBRYXL53Y52","created_at":"2026-05-18T12:25:55.427421+00:00"},{"alias_kind":"pith_short_16","alias_value":"FXBRYXL53Y52YKD4","created_at":"2026-05-18T12:25:55.427421+00:00"},{"alias_kind":"pith_short_8","alias_value":"FXBRYXL5","created_at":"2026-05-18T12:25:55.427421+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/FXBRYXL53Y52YKD4XRRIWABNCL","json":"https://pith.science/pith/FXBRYXL53Y52YKD4XRRIWABNCL.json","graph_json":"https://pith.science/api/pith-number/FXBRYXL53Y52YKD4XRRIWABNCL/graph.json","events_json":"https://pith.science/api/pith-number/FXBRYXL53Y52YKD4XRRIWABNCL/events.json","paper":"https://pith.science/paper/FXBRYXL5"},"agent_actions":{"view_html":"https://pith.science/pith/FXBRYXL53Y52YKD4XRRIWABNCL","download_json":"https://pith.science/pith/FXBRYXL53Y52YKD4XRRIWABNCL.json","view_paper":"https://pith.science/paper/FXBRYXL5","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0708.1715&json=true","fetch_graph":"https://pith.science/api/pith-number/FXBRYXL53Y52YKD4XRRIWABNCL/graph.json","fetch_events":"https://pith.science/api/pith-number/FXBRYXL53Y52YKD4XRRIWABNCL/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/FXBRYXL53Y52YKD4XRRIWABNCL/action/timestamp_anchor","attest_storage":"https://pith.science/pith/FXBRYXL53Y52YKD4XRRIWABNCL/action/storage_attestation","attest_author":"https://pith.science/pith/FXBRYXL53Y52YKD4XRRIWABNCL/action/author_attestation","sign_citation":"https://pith.science/pith/FXBRYXL53Y52YKD4XRRIWABNCL/action/citation_signature","submit_replication":"https://pith.science/pith/FXBRYXL53Y52YKD4XRRIWABNCL/action/replication_record"}},"created_at":"2026-05-18T00:39:48.608214+00:00","updated_at":"2026-05-18T00:39:48.608214+00:00"}