{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:662SVPAY3TZE6P26EZ2SJWK3MX","short_pith_number":"pith:662SVPAY","canonical_record":{"source":{"id":"2103.15400","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-fin.TR","submitted_at":"2021-03-29T07:55:58Z","cross_cats_sorted":[],"title_canon_sha256":"70d3566f397e8a975e3854f0a74e89fd38ea349f2c17237e166d32a7edd1b399","abstract_canon_sha256":"9d8a555fcf99339b13971cf57e6d23f4da35cdafd3d9af0487145c2b0b031fb9"},"schema_version":"1.0"},"canonical_sha256":"f7b52abc18dcf24f3f5e267524d95b65f131e493ec98acb3dcfc8e0fe45d1d11","source":{"kind":"arxiv","id":"2103.15400","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2103.15400","created_at":"2026-07-05T02:27:05Z"},{"alias_kind":"arxiv_version","alias_value":"2103.15400v1","created_at":"2026-07-05T02:27:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2103.15400","created_at":"2026-07-05T02:27:05Z"},{"alias_kind":"pith_short_12","alias_value":"662SVPAY3TZE","created_at":"2026-07-05T02:27:05Z"},{"alias_kind":"pith_short_16","alias_value":"662SVPAY3TZE6P26","created_at":"2026-07-05T02:27:05Z"},{"alias_kind":"pith_short_8","alias_value":"662SVPAY","created_at":"2026-07-05T02:27:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:662SVPAY3TZE6P26EZ2SJWK3MX","target":"record","payload":{"canonical_record":{"source":{"id":"2103.15400","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-fin.TR","submitted_at":"2021-03-29T07:55:58Z","cross_cats_sorted":[],"title_canon_sha256":"70d3566f397e8a975e3854f0a74e89fd38ea349f2c17237e166d32a7edd1b399","abstract_canon_sha256":"9d8a555fcf99339b13971cf57e6d23f4da35cdafd3d9af0487145c2b0b031fb9"},"schema_version":"1.0"},"canonical_sha256":"f7b52abc18dcf24f3f5e267524d95b65f131e493ec98acb3dcfc8e0fe45d1d11","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:27:05.569812Z","signature_b64":"Glg7xd4tptYeLT4FkAAjIdvi24Goo4KO0NKb5bzO1hlw2NfXS9xZhWMsuOmuqSNxLnosBsHwnZzER5rIFZ4IDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f7b52abc18dcf24f3f5e267524d95b65f131e493ec98acb3dcfc8e0fe45d1d11","last_reissued_at":"2026-07-05T02:27:05.569439Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:27:05.569439Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2103.15400","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":"2026-07-05T02:27:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PdaxP0nWkgu3ZXZoPglKzDbaX8AN0tsax1AVZqVBdTtqnjtxX/Ulx4WGuHawOUhtJUDwW5xUMVs+7m/JvhU6DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T21:38:28.643191Z"},"content_sha256":"388eb1e8945e10d8a31c9fe75821e54b227a425439573eb035863ad5496bbba1","schema_version":"1.0","event_id":"sha256:388eb1e8945e10d8a31c9fe75821e54b227a425439573eb035863ad5496bbba1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:662SVPAY3TZE6P26EZ2SJWK3MX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Research on Portfolio Liquidation Strategy under Discrete Times","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"q-fin.TR","authors_text":"Handong Li, Qixuan Luo, Yu Shi","submitted_at":"2021-03-29T07:55:58Z","abstract_excerpt":"This paper presents an optimal strategy for portfolio liquidation under discrete time conditions. We assume that N risky assets held will be liquidated according to the same time interval and order quantity, and the basic price processes of assets are generated by an N-dimensional independent standard Brownian motion. The permanent impact generated by an asset in the portfolio during the liquidation will affect all assets, and the temporary impact generated by one asset will only affect itself. On this basis, we establish a liquidation cost model based on the VaR measurement and obtain an opti"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2103.15400","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/2103.15400/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":"2026-07-05T02:27:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zO3/6Z7DrWy7nFkINf1/Mp5fvn0cEf0I6I4sClfAHvlou0Es2wZOca8+3lBLdzPSCZliASX7h1T2JRtaLAffCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T21:38:28.643684Z"},"content_sha256":"84dffc88e17dbc2bf2dfbda12f3997c6a1d671f1eadb20a45b5815739b4bf408","schema_version":"1.0","event_id":"sha256:84dffc88e17dbc2bf2dfbda12f3997c6a1d671f1eadb20a45b5815739b4bf408"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/662SVPAY3TZE6P26EZ2SJWK3MX/bundle.json","state_url":"https://pith.science/pith/662SVPAY3TZE6P26EZ2SJWK3MX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/662SVPAY3TZE6P26EZ2SJWK3MX/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":"2026-08-04T21:38:28Z","links":{"resolver":"https://pith.science/pith/662SVPAY3TZE6P26EZ2SJWK3MX","bundle":"https://pith.science/pith/662SVPAY3TZE6P26EZ2SJWK3MX/bundle.json","state":"https://pith.science/pith/662SVPAY3TZE6P26EZ2SJWK3MX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/662SVPAY3TZE6P26EZ2SJWK3MX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:662SVPAY3TZE6P26EZ2SJWK3MX","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":"9d8a555fcf99339b13971cf57e6d23f4da35cdafd3d9af0487145c2b0b031fb9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-fin.TR","submitted_at":"2021-03-29T07:55:58Z","title_canon_sha256":"70d3566f397e8a975e3854f0a74e89fd38ea349f2c17237e166d32a7edd1b399"},"schema_version":"1.0","source":{"id":"2103.15400","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2103.15400","created_at":"2026-07-05T02:27:05Z"},{"alias_kind":"arxiv_version","alias_value":"2103.15400v1","created_at":"2026-07-05T02:27:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2103.15400","created_at":"2026-07-05T02:27:05Z"},{"alias_kind":"pith_short_12","alias_value":"662SVPAY3TZE","created_at":"2026-07-05T02:27:05Z"},{"alias_kind":"pith_short_16","alias_value":"662SVPAY3TZE6P26","created_at":"2026-07-05T02:27:05Z"},{"alias_kind":"pith_short_8","alias_value":"662SVPAY","created_at":"2026-07-05T02:27:05Z"}],"graph_snapshots":[{"event_id":"sha256:84dffc88e17dbc2bf2dfbda12f3997c6a1d671f1eadb20a45b5815739b4bf408","target":"graph","created_at":"2026-07-05T02:27:05Z","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/2103.15400/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This paper presents an optimal strategy for portfolio liquidation under discrete time conditions. We assume that N risky assets held will be liquidated according to the same time interval and order quantity, and the basic price processes of assets are generated by an N-dimensional independent standard Brownian motion. The permanent impact generated by an asset in the portfolio during the liquidation will affect all assets, and the temporary impact generated by one asset will only affect itself. On this basis, we establish a liquidation cost model based on the VaR measurement and obtain an opti","authors_text":"Handong Li, Qixuan Luo, Yu Shi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-fin.TR","submitted_at":"2021-03-29T07:55:58Z","title":"Research on Portfolio Liquidation Strategy under Discrete Times"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2103.15400","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":"sha256:388eb1e8945e10d8a31c9fe75821e54b227a425439573eb035863ad5496bbba1","target":"record","created_at":"2026-07-05T02:27:05Z","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":"9d8a555fcf99339b13971cf57e6d23f4da35cdafd3d9af0487145c2b0b031fb9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-fin.TR","submitted_at":"2021-03-29T07:55:58Z","title_canon_sha256":"70d3566f397e8a975e3854f0a74e89fd38ea349f2c17237e166d32a7edd1b399"},"schema_version":"1.0","source":{"id":"2103.15400","kind":"arxiv","version":1}},"canonical_sha256":"f7b52abc18dcf24f3f5e267524d95b65f131e493ec98acb3dcfc8e0fe45d1d11","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f7b52abc18dcf24f3f5e267524d95b65f131e493ec98acb3dcfc8e0fe45d1d11","first_computed_at":"2026-07-05T02:27:05.569439Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:27:05.569439Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Glg7xd4tptYeLT4FkAAjIdvi24Goo4KO0NKb5bzO1hlw2NfXS9xZhWMsuOmuqSNxLnosBsHwnZzER5rIFZ4IDw==","signature_status":"signed_v1","signed_at":"2026-07-05T02:27:05.569812Z","signed_message":"canonical_sha256_bytes"},"source_id":"2103.15400","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:388eb1e8945e10d8a31c9fe75821e54b227a425439573eb035863ad5496bbba1","sha256:84dffc88e17dbc2bf2dfbda12f3997c6a1d671f1eadb20a45b5815739b4bf408"],"state_sha256":"b93a495543c8b35592435e814f3b5e7a1b8fae36470ac9b7439ab327a7d1e855"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jC44ZA/2rNwi9Lr+DNtW7vkbF9kZtbMP9s7iaCb3MTSAmnZ2XUS2RPB34sFbXpgYyGx5GP/uZq3N0Q+oA4YqBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T21:38:28.647347Z","bundle_sha256":"8d6972945e99ba5dd187c42c496091b8cde84ad2512745e0dc2a060b79bb256e"}}