{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:F7472H53LWC6P4R4LECM4RZPF3","short_pith_number":"pith:F7472H53","canonical_record":{"source":{"id":"1712.01696","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2017-12-03T18:13:27Z","cross_cats_sorted":["eess.IV"],"title_canon_sha256":"275dc3b1d0c1447896c963ea344f4e0393cfa533c5d64947c71f51cf82682b61","abstract_canon_sha256":"8ea81f649dc21b1dc3458c45f39e336d944efdb768b4e3ee0d36a165bab095f5"},"schema_version":"1.0"},"canonical_sha256":"2ff9fd1fbb5d85e7f23c5904ce472f2ecb54e4f15c0bb742f861197b887f6bc8","source":{"kind":"arxiv","id":"1712.01696","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.01696","created_at":"2026-05-18T00:28:47Z"},{"alias_kind":"arxiv_version","alias_value":"1712.01696v1","created_at":"2026-05-18T00:28:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.01696","created_at":"2026-05-18T00:28:47Z"},{"alias_kind":"pith_short_12","alias_value":"F7472H53LWC6","created_at":"2026-05-18T12:31:15Z"},{"alias_kind":"pith_short_16","alias_value":"F7472H53LWC6P4R4","created_at":"2026-05-18T12:31:15Z"},{"alias_kind":"pith_short_8","alias_value":"F7472H53","created_at":"2026-05-18T12:31:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:F7472H53LWC6P4R4LECM4RZPF3","target":"record","payload":{"canonical_record":{"source":{"id":"1712.01696","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2017-12-03T18:13:27Z","cross_cats_sorted":["eess.IV"],"title_canon_sha256":"275dc3b1d0c1447896c963ea344f4e0393cfa533c5d64947c71f51cf82682b61","abstract_canon_sha256":"8ea81f649dc21b1dc3458c45f39e336d944efdb768b4e3ee0d36a165bab095f5"},"schema_version":"1.0"},"canonical_sha256":"2ff9fd1fbb5d85e7f23c5904ce472f2ecb54e4f15c0bb742f861197b887f6bc8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:28:47.852516Z","signature_b64":"lG3+sAYHDzmkAb0kYPrDELPqEzXQ1x6RRaQundEOiif65xL9Uy2Blyel+bBMZy+W1g329mWrsyNheFRWQe2+Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2ff9fd1fbb5d85e7f23c5904ce472f2ecb54e4f15c0bb742f861197b887f6bc8","last_reissued_at":"2026-05-18T00:28:47.851903Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:28:47.851903Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1712.01696","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":"2026-05-18T00:28:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OFT6nCnrzkY2/6+nNaq3LKSgdddYPYq+3NbJGpvYUg5pykpCUnzHCWxGKG5oLtP3nb9978j8fYI21ctxV43zBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T08:38:19.509581Z"},"content_sha256":"7a9885a6de03e98eb6b21d33142a66e9a3bed10330280921235ea61c5b8a4a1a","schema_version":"1.0","event_id":"sha256:7a9885a6de03e98eb6b21d33142a66e9a3bed10330280921235ea61c5b8a4a1a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:F7472H53LWC6P4R4LECM4RZPF3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Avalia\\c{c}\\~ao do m\\'etodo dial\\'etico na quantiza\\c{c}\\~ao de imagens multiespectrais","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["eess.IV"],"primary_cat":"cs.CV","authors_text":"Francisco Marcos de Assis, Wellington Pinheiro dos Santos","submitted_at":"2017-12-03T18:13:27Z","abstract_excerpt":"The unsupervised classification has a very important role in the analysis of multispectral images, given its ability to assist the extraction of a priori knowledge of images. Algorithms like k-means and fuzzy c-means has long been used in this task. Computational Intelligence has proven to be an important field to assist in building classifiers optimized according to the quality of the grouping of classes and the evaluation of the quality of vector quantization. Several studies have shown that Philosophy, especially the Dialectical Method, has served as an important inspiration for the constru"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.01696","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":"2026-05-18T00:28:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QyZTnDaUC1UUoDQxG5yO0AfypipYcszNucSEZVeG2cSIY0Xdndk6x/QmgXe6V8cTzgD9jbjlwj/Yu8HAW5/bBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T08:38:19.510250Z"},"content_sha256":"7be8fbd00d19b22d8992049852c27d474b3e2c4e4e22b99d9c65064abce22e3b","schema_version":"1.0","event_id":"sha256:7be8fbd00d19b22d8992049852c27d474b3e2c4e4e22b99d9c65064abce22e3b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/F7472H53LWC6P4R4LECM4RZPF3/bundle.json","state_url":"https://pith.science/pith/F7472H53LWC6P4R4LECM4RZPF3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/F7472H53LWC6P4R4LECM4RZPF3/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":"2026-06-09T08:38:19Z","links":{"resolver":"https://pith.science/pith/F7472H53LWC6P4R4LECM4RZPF3","bundle":"https://pith.science/pith/F7472H53LWC6P4R4LECM4RZPF3/bundle.json","state":"https://pith.science/pith/F7472H53LWC6P4R4LECM4RZPF3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/F7472H53LWC6P4R4LECM4RZPF3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:F7472H53LWC6P4R4LECM4RZPF3","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":"8ea81f649dc21b1dc3458c45f39e336d944efdb768b4e3ee0d36a165bab095f5","cross_cats_sorted":["eess.IV"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2017-12-03T18:13:27Z","title_canon_sha256":"275dc3b1d0c1447896c963ea344f4e0393cfa533c5d64947c71f51cf82682b61"},"schema_version":"1.0","source":{"id":"1712.01696","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.01696","created_at":"2026-05-18T00:28:47Z"},{"alias_kind":"arxiv_version","alias_value":"1712.01696v1","created_at":"2026-05-18T00:28:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.01696","created_at":"2026-05-18T00:28:47Z"},{"alias_kind":"pith_short_12","alias_value":"F7472H53LWC6","created_at":"2026-05-18T12:31:15Z"},{"alias_kind":"pith_short_16","alias_value":"F7472H53LWC6P4R4","created_at":"2026-05-18T12:31:15Z"},{"alias_kind":"pith_short_8","alias_value":"F7472H53","created_at":"2026-05-18T12:31:15Z"}],"graph_snapshots":[{"event_id":"sha256:7be8fbd00d19b22d8992049852c27d474b3e2c4e4e22b99d9c65064abce22e3b","target":"graph","created_at":"2026-05-18T00:28:47Z","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 unsupervised classification has a very important role in the analysis of multispectral images, given its ability to assist the extraction of a priori knowledge of images. Algorithms like k-means and fuzzy c-means has long been used in this task. Computational Intelligence has proven to be an important field to assist in building classifiers optimized according to the quality of the grouping of classes and the evaluation of the quality of vector quantization. Several studies have shown that Philosophy, especially the Dialectical Method, has served as an important inspiration for the constru","authors_text":"Francisco Marcos de Assis, Wellington Pinheiro dos Santos","cross_cats":["eess.IV"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2017-12-03T18:13:27Z","title":"Avalia\\c{c}\\~ao do m\\'etodo dial\\'etico na quantiza\\c{c}\\~ao de imagens multiespectrais"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.01696","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":"sha256:7a9885a6de03e98eb6b21d33142a66e9a3bed10330280921235ea61c5b8a4a1a","target":"record","created_at":"2026-05-18T00:28:47Z","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":"8ea81f649dc21b1dc3458c45f39e336d944efdb768b4e3ee0d36a165bab095f5","cross_cats_sorted":["eess.IV"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2017-12-03T18:13:27Z","title_canon_sha256":"275dc3b1d0c1447896c963ea344f4e0393cfa533c5d64947c71f51cf82682b61"},"schema_version":"1.0","source":{"id":"1712.01696","kind":"arxiv","version":1}},"canonical_sha256":"2ff9fd1fbb5d85e7f23c5904ce472f2ecb54e4f15c0bb742f861197b887f6bc8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2ff9fd1fbb5d85e7f23c5904ce472f2ecb54e4f15c0bb742f861197b887f6bc8","first_computed_at":"2026-05-18T00:28:47.851903Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:28:47.851903Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"lG3+sAYHDzmkAb0kYPrDELPqEzXQ1x6RRaQundEOiif65xL9Uy2Blyel+bBMZy+W1g329mWrsyNheFRWQe2+Bg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:28:47.852516Z","signed_message":"canonical_sha256_bytes"},"source_id":"1712.01696","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7a9885a6de03e98eb6b21d33142a66e9a3bed10330280921235ea61c5b8a4a1a","sha256:7be8fbd00d19b22d8992049852c27d474b3e2c4e4e22b99d9c65064abce22e3b"],"state_sha256":"4e4a3711f5f08000fa316d94daabe16adb31f515f8b18a26aa43b295a96439db"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5Av+5naGgLvhHbhBygjlsew7UxFwn4tnro0badC4RAvVVYIiczo9GH5jOenjVC2po+3Zo8djb9H4/jFqdiYhCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T08:38:19.514100Z","bundle_sha256":"8800ac771fd6a86ad3e2a55ff5c3e3d0c60e584c922167cd49dc49f0f8eb81e8"}}