{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:IS2CRSGW6Y737FHINDXZGVUW36","short_pith_number":"pith:IS2CRSGW","canonical_record":{"source":{"id":"1607.05608","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-fin.ST","submitted_at":"2016-07-18T08:47:34Z","cross_cats_sorted":["q-fin.CP"],"title_canon_sha256":"43549c8e028b6da6e51ba120503ea4e9787fe9c9cb09a65a18be5dc06fc3d2ed","abstract_canon_sha256":"6d61fe3cb85f665f797e72687c1170ffe1d9ee3f5f12f63d2d96a1fcdbe579a8"},"schema_version":"1.0"},"canonical_sha256":"44b428c8d6f63fbf94e868ef935696dfb642c4ef67a53023800d71b01c7897df","source":{"kind":"arxiv","id":"1607.05608","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1607.05608","created_at":"2026-05-18T00:38:39Z"},{"alias_kind":"arxiv_version","alias_value":"1607.05608v1","created_at":"2026-05-18T00:38:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1607.05608","created_at":"2026-05-18T00:38:39Z"},{"alias_kind":"pith_short_12","alias_value":"IS2CRSGW6Y73","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_16","alias_value":"IS2CRSGW6Y737FHI","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_8","alias_value":"IS2CRSGW","created_at":"2026-05-18T12:30:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:IS2CRSGW6Y737FHINDXZGVUW36","target":"record","payload":{"canonical_record":{"source":{"id":"1607.05608","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-fin.ST","submitted_at":"2016-07-18T08:47:34Z","cross_cats_sorted":["q-fin.CP"],"title_canon_sha256":"43549c8e028b6da6e51ba120503ea4e9787fe9c9cb09a65a18be5dc06fc3d2ed","abstract_canon_sha256":"6d61fe3cb85f665f797e72687c1170ffe1d9ee3f5f12f63d2d96a1fcdbe579a8"},"schema_version":"1.0"},"canonical_sha256":"44b428c8d6f63fbf94e868ef935696dfb642c4ef67a53023800d71b01c7897df","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:38:39.960494Z","signature_b64":"ZdIjkoV5NUO5zTnAWp9m1YT9h9vvpWbCZ3unTO8hhdDusdytTcNRKD5ydIC9pzTX7Cy/rBJe6NjXYYrHvIFDCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"44b428c8d6f63fbf94e868ef935696dfb642c4ef67a53023800d71b01c7897df","last_reissued_at":"2026-05-18T00:38:39.959820Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:38:39.959820Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1607.05608","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":"2026-05-18T00:38:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4gzPV5n2cp1fMq85fwbxpnTJtCuV1rKApO43VMWjG3ASEHE6qd6VhvmCXlunEJpFo/rbEFcOsAASY5rQovumDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T05:45:57.017520Z"},"content_sha256":"8ee0bc12f6ebd1f6a5b39513da393d1155425cdae10d575afd000e51c231d770","schema_version":"1.0","event_id":"sha256:8ee0bc12f6ebd1f6a5b39513da393d1155425cdae10d575afd000e51c231d770"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:IS2CRSGW6Y737FHINDXZGVUW36","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Identification of market trends with string and D2-brane maps","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["q-fin.CP"],"primary_cat":"q-fin.ST","authors_text":"Erik Barto\\v{s}, Richard Pin\\v{c}\\'ak","submitted_at":"2016-07-18T08:47:34Z","abstract_excerpt":"The multi dimensional string objects are introduced as a new alternative for an application of string models for time series forecasting in trading on financial markets. The objects are represented by open string with 2-endpoints and D2-brane, which are continuous enhancement of 1-endpoint open string model. We show how new object properties can change the statistics of the predictors, which makes them the candidates for modeling a wide range of time series systems. String angular momentum is proposed as another tool to analyze the stability of currency rates except the historical volatility. "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1607.05608","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":"2026-05-18T00:38:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VBQNgQNyv0cOBMvEB8HXho39o+VYSx/p4YotdOknfTT+HKGZBBq3vkORWPjejhOGA2N/GsVIbJnpVNodl0/gAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T05:45:57.017863Z"},"content_sha256":"53b27f891f4f70c59bd5abfcdbfd01bb375d87b275d4223a1bdd99525e49f137","schema_version":"1.0","event_id":"sha256:53b27f891f4f70c59bd5abfcdbfd01bb375d87b275d4223a1bdd99525e49f137"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IS2CRSGW6Y737FHINDXZGVUW36/bundle.json","state_url":"https://pith.science/pith/IS2CRSGW6Y737FHINDXZGVUW36/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IS2CRSGW6Y737FHINDXZGVUW36/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":"2026-05-28T05:45:57Z","links":{"resolver":"https://pith.science/pith/IS2CRSGW6Y737FHINDXZGVUW36","bundle":"https://pith.science/pith/IS2CRSGW6Y737FHINDXZGVUW36/bundle.json","state":"https://pith.science/pith/IS2CRSGW6Y737FHINDXZGVUW36/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IS2CRSGW6Y737FHINDXZGVUW36/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:IS2CRSGW6Y737FHINDXZGVUW36","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":"6d61fe3cb85f665f797e72687c1170ffe1d9ee3f5f12f63d2d96a1fcdbe579a8","cross_cats_sorted":["q-fin.CP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-fin.ST","submitted_at":"2016-07-18T08:47:34Z","title_canon_sha256":"43549c8e028b6da6e51ba120503ea4e9787fe9c9cb09a65a18be5dc06fc3d2ed"},"schema_version":"1.0","source":{"id":"1607.05608","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1607.05608","created_at":"2026-05-18T00:38:39Z"},{"alias_kind":"arxiv_version","alias_value":"1607.05608v1","created_at":"2026-05-18T00:38:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1607.05608","created_at":"2026-05-18T00:38:39Z"},{"alias_kind":"pith_short_12","alias_value":"IS2CRSGW6Y73","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_16","alias_value":"IS2CRSGW6Y737FHI","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_8","alias_value":"IS2CRSGW","created_at":"2026-05-18T12:30:22Z"}],"graph_snapshots":[{"event_id":"sha256:53b27f891f4f70c59bd5abfcdbfd01bb375d87b275d4223a1bdd99525e49f137","target":"graph","created_at":"2026-05-18T00:38:39Z","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":"The multi dimensional string objects are introduced as a new alternative for an application of string models for time series forecasting in trading on financial markets. The objects are represented by open string with 2-endpoints and D2-brane, which are continuous enhancement of 1-endpoint open string model. We show how new object properties can change the statistics of the predictors, which makes them the candidates for modeling a wide range of time series systems. String angular momentum is proposed as another tool to analyze the stability of currency rates except the historical volatility. ","authors_text":"Erik Barto\\v{s}, Richard Pin\\v{c}\\'ak","cross_cats":["q-fin.CP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-fin.ST","submitted_at":"2016-07-18T08:47:34Z","title":"Identification of market trends with string and D2-brane maps"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1607.05608","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":"sha256:8ee0bc12f6ebd1f6a5b39513da393d1155425cdae10d575afd000e51c231d770","target":"record","created_at":"2026-05-18T00:38:39Z","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":"6d61fe3cb85f665f797e72687c1170ffe1d9ee3f5f12f63d2d96a1fcdbe579a8","cross_cats_sorted":["q-fin.CP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-fin.ST","submitted_at":"2016-07-18T08:47:34Z","title_canon_sha256":"43549c8e028b6da6e51ba120503ea4e9787fe9c9cb09a65a18be5dc06fc3d2ed"},"schema_version":"1.0","source":{"id":"1607.05608","kind":"arxiv","version":1}},"canonical_sha256":"44b428c8d6f63fbf94e868ef935696dfb642c4ef67a53023800d71b01c7897df","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"44b428c8d6f63fbf94e868ef935696dfb642c4ef67a53023800d71b01c7897df","first_computed_at":"2026-05-18T00:38:39.959820Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:38:39.959820Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZdIjkoV5NUO5zTnAWp9m1YT9h9vvpWbCZ3unTO8hhdDusdytTcNRKD5ydIC9pzTX7Cy/rBJe6NjXYYrHvIFDCg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:38:39.960494Z","signed_message":"canonical_sha256_bytes"},"source_id":"1607.05608","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8ee0bc12f6ebd1f6a5b39513da393d1155425cdae10d575afd000e51c231d770","sha256:53b27f891f4f70c59bd5abfcdbfd01bb375d87b275d4223a1bdd99525e49f137"],"state_sha256":"45060a311e113eccf9eba787a477cc60a53b918d1240bf5bbebc9afc127c1eef"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XpJe/ec0id7FtCkqJSZdhQaXYF5UOVchyzouVz+tbEhmunB1xLGY7PhcvqcJw+mwPSJsPy4bPcqg+8I6tvZdDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T05:45:57.019809Z","bundle_sha256":"fa2493febe751dd3d89613a7e8d82f1cdcaa96e561c17ba20c182c323f95f6cb"}}