{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:LPGCFQ4OOOWA7HLJ6CJKRTHSS3","short_pith_number":"pith:LPGCFQ4O","canonical_record":{"source":{"id":"2010.02951","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.data-an","submitted_at":"2020-10-06T18:02:18Z","cross_cats_sorted":[],"title_canon_sha256":"9439b8ca9d62c500061935f7eea3ddf935e72617f79cb111e3efd21343580069","abstract_canon_sha256":"bba4b4681222457c0f833d7f0e1509c785f3641f01a1d56d245387d43a4c31cf"},"schema_version":"1.0"},"canonical_sha256":"5bcc22c38e73ac0f9d69f092a8ccf296db887f47ea7e9425a9251e2906eb4ef5","source":{"kind":"arxiv","id":"2010.02951","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2010.02951","created_at":"2026-07-05T01:40:57Z"},{"alias_kind":"arxiv_version","alias_value":"2010.02951v1","created_at":"2026-07-05T01:40:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2010.02951","created_at":"2026-07-05T01:40:57Z"},{"alias_kind":"pith_short_12","alias_value":"LPGCFQ4OOOWA","created_at":"2026-07-05T01:40:57Z"},{"alias_kind":"pith_short_16","alias_value":"LPGCFQ4OOOWA7HLJ","created_at":"2026-07-05T01:40:57Z"},{"alias_kind":"pith_short_8","alias_value":"LPGCFQ4O","created_at":"2026-07-05T01:40:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:LPGCFQ4OOOWA7HLJ6CJKRTHSS3","target":"record","payload":{"canonical_record":{"source":{"id":"2010.02951","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.data-an","submitted_at":"2020-10-06T18:02:18Z","cross_cats_sorted":[],"title_canon_sha256":"9439b8ca9d62c500061935f7eea3ddf935e72617f79cb111e3efd21343580069","abstract_canon_sha256":"bba4b4681222457c0f833d7f0e1509c785f3641f01a1d56d245387d43a4c31cf"},"schema_version":"1.0"},"canonical_sha256":"5bcc22c38e73ac0f9d69f092a8ccf296db887f47ea7e9425a9251e2906eb4ef5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:40:57.970410Z","signature_b64":"DC/5O7LCLllVGNaWQYU6bbT93KgPj2gkncqKuMUivnF07q/9z6WANbHqJ/wByXqTfU+GHI5zLm7MxKmIN0s7Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5bcc22c38e73ac0f9d69f092a8ccf296db887f47ea7e9425a9251e2906eb4ef5","last_reissued_at":"2026-07-05T01:40:57.969908Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:40:57.969908Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2010.02951","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":"2026-07-05T01:40:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Y/5maGCiZgAQoR+jPBjT8Pqq5EO0eLJxHgk/TJlSGbxcbxI82XRlgJI3CZLFgY1OwcFnqtS5PaQLeiJ/KdRCBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T08:13:46.377760Z"},"content_sha256":"b27e0b35bf67f3e9beb30fb1277f57b48fd2a66934498143187f1525589c3a9d","schema_version":"1.0","event_id":"sha256:b27e0b35bf67f3e9beb30fb1277f57b48fd2a66934498143187f1525589c3a9d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:LPGCFQ4OOOWA7HLJ6CJKRTHSS3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Parameter free determination of optimum time delay","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.data-an","authors_text":"Gilberto Corso, Gustavo Zampier dos Santos Lima, Sergio Roberto Lopes, Thiago Lima Prado, Vandertone Santos Machado","submitted_at":"2020-10-06T18:02:18Z","abstract_excerpt":"We show that the same maximum entropy principle applied to recurrence microstates configures a new way to properly compute the time delay necessary to correctly sample a data set. The new method retrieves results obtained using traditional methods with the advantage of being independent of any free parameter. Since all parameters are automatically set, the method is suitable for use in artificial (computational) intelligence algorithms, recovering correct information embedded in time series, and rationalizing the process of data acquisition since only relevant data must be collected."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2010.02951","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/2010.02951/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":"2026-07-05T01:40:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"seTgBS/fa8CVnPAgzZsrtgRHgkXdQSNl5LGPpTTVLF7WA7PxwBZ9z/tRKQ1pHD3pB8/VGmYBwFG/kMrLRFx8Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T08:13:46.378262Z"},"content_sha256":"602a508949c1be681d6622f49b0fd3ad83f426eb4c0ed59e499ea9c70b9a127d","schema_version":"1.0","event_id":"sha256:602a508949c1be681d6622f49b0fd3ad83f426eb4c0ed59e499ea9c70b9a127d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LPGCFQ4OOOWA7HLJ6CJKRTHSS3/bundle.json","state_url":"https://pith.science/pith/LPGCFQ4OOOWA7HLJ6CJKRTHSS3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LPGCFQ4OOOWA7HLJ6CJKRTHSS3/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":"2026-08-13T08:13:46Z","links":{"resolver":"https://pith.science/pith/LPGCFQ4OOOWA7HLJ6CJKRTHSS3","bundle":"https://pith.science/pith/LPGCFQ4OOOWA7HLJ6CJKRTHSS3/bundle.json","state":"https://pith.science/pith/LPGCFQ4OOOWA7HLJ6CJKRTHSS3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LPGCFQ4OOOWA7HLJ6CJKRTHSS3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:LPGCFQ4OOOWA7HLJ6CJKRTHSS3","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":"bba4b4681222457c0f833d7f0e1509c785f3641f01a1d56d245387d43a4c31cf","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.data-an","submitted_at":"2020-10-06T18:02:18Z","title_canon_sha256":"9439b8ca9d62c500061935f7eea3ddf935e72617f79cb111e3efd21343580069"},"schema_version":"1.0","source":{"id":"2010.02951","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2010.02951","created_at":"2026-07-05T01:40:57Z"},{"alias_kind":"arxiv_version","alias_value":"2010.02951v1","created_at":"2026-07-05T01:40:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2010.02951","created_at":"2026-07-05T01:40:57Z"},{"alias_kind":"pith_short_12","alias_value":"LPGCFQ4OOOWA","created_at":"2026-07-05T01:40:57Z"},{"alias_kind":"pith_short_16","alias_value":"LPGCFQ4OOOWA7HLJ","created_at":"2026-07-05T01:40:57Z"},{"alias_kind":"pith_short_8","alias_value":"LPGCFQ4O","created_at":"2026-07-05T01:40:57Z"}],"graph_snapshots":[{"event_id":"sha256:602a508949c1be681d6622f49b0fd3ad83f426eb4c0ed59e499ea9c70b9a127d","target":"graph","created_at":"2026-07-05T01:40:57Z","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/2010.02951/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We show that the same maximum entropy principle applied to recurrence microstates configures a new way to properly compute the time delay necessary to correctly sample a data set. The new method retrieves results obtained using traditional methods with the advantage of being independent of any free parameter. Since all parameters are automatically set, the method is suitable for use in artificial (computational) intelligence algorithms, recovering correct information embedded in time series, and rationalizing the process of data acquisition since only relevant data must be collected.","authors_text":"Gilberto Corso, Gustavo Zampier dos Santos Lima, Sergio Roberto Lopes, Thiago Lima Prado, Vandertone Santos Machado","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.data-an","submitted_at":"2020-10-06T18:02:18Z","title":"Parameter free determination of optimum time delay"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2010.02951","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:b27e0b35bf67f3e9beb30fb1277f57b48fd2a66934498143187f1525589c3a9d","target":"record","created_at":"2026-07-05T01:40:57Z","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":"bba4b4681222457c0f833d7f0e1509c785f3641f01a1d56d245387d43a4c31cf","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.data-an","submitted_at":"2020-10-06T18:02:18Z","title_canon_sha256":"9439b8ca9d62c500061935f7eea3ddf935e72617f79cb111e3efd21343580069"},"schema_version":"1.0","source":{"id":"2010.02951","kind":"arxiv","version":1}},"canonical_sha256":"5bcc22c38e73ac0f9d69f092a8ccf296db887f47ea7e9425a9251e2906eb4ef5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5bcc22c38e73ac0f9d69f092a8ccf296db887f47ea7e9425a9251e2906eb4ef5","first_computed_at":"2026-07-05T01:40:57.969908Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:40:57.969908Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"DC/5O7LCLllVGNaWQYU6bbT93KgPj2gkncqKuMUivnF07q/9z6WANbHqJ/wByXqTfU+GHI5zLm7MxKmIN0s7Aw==","signature_status":"signed_v1","signed_at":"2026-07-05T01:40:57.970410Z","signed_message":"canonical_sha256_bytes"},"source_id":"2010.02951","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b27e0b35bf67f3e9beb30fb1277f57b48fd2a66934498143187f1525589c3a9d","sha256:602a508949c1be681d6622f49b0fd3ad83f426eb4c0ed59e499ea9c70b9a127d"],"state_sha256":"04fa9801cad118da0edffae1a18630cfca8110c0165a73928c0c4be48ef7feec"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/tBixcZ8KqB50l3uAtSem2gkpbPqpCTb6j9EqiDKHnZJhKGQjKlXVA3pztvY48bnLXjaN8oG+eFzB3mlr4HzDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-13T08:13:46.383250Z","bundle_sha256":"7ec4aaa5af402802895bccbd21cc151e89eaf7ad0838d8a707d842e4e5ea9c28"}}