{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:Y6BZ7O45JUULGCSCBPTKCW6A6V","short_pith_number":"pith:Y6BZ7O45","canonical_record":{"source":{"id":"1412.7849","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2014-12-25T18:23:10Z","cross_cats_sorted":[],"title_canon_sha256":"5b07b1a9fa9afc997f92d85c09bd2e792d722a5da748f0694f6c03dd2ca94972","abstract_canon_sha256":"94a3525b59aa5966beb9a654824de3bde035feb301a93faedb8eb32abb433bef"},"schema_version":"1.0"},"canonical_sha256":"c7839fbb9d4d28b30a420be6a15bc0f572db2577bef1d520e935f77ecdfc3809","source":{"kind":"arxiv","id":"1412.7849","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1412.7849","created_at":"2026-05-18T02:30:24Z"},{"alias_kind":"arxiv_version","alias_value":"1412.7849v1","created_at":"2026-05-18T02:30:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1412.7849","created_at":"2026-05-18T02:30:24Z"},{"alias_kind":"pith_short_12","alias_value":"Y6BZ7O45JUUL","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_16","alias_value":"Y6BZ7O45JUULGCSC","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_8","alias_value":"Y6BZ7O45","created_at":"2026-05-18T12:28:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:Y6BZ7O45JUULGCSCBPTKCW6A6V","target":"record","payload":{"canonical_record":{"source":{"id":"1412.7849","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2014-12-25T18:23:10Z","cross_cats_sorted":[],"title_canon_sha256":"5b07b1a9fa9afc997f92d85c09bd2e792d722a5da748f0694f6c03dd2ca94972","abstract_canon_sha256":"94a3525b59aa5966beb9a654824de3bde035feb301a93faedb8eb32abb433bef"},"schema_version":"1.0"},"canonical_sha256":"c7839fbb9d4d28b30a420be6a15bc0f572db2577bef1d520e935f77ecdfc3809","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:30:24.967843Z","signature_b64":"0lmNYtEZQkVTJJsD4HEWZF6J2FYBZNfoVQbQcaBMlypxcI6BtTDsElJGqSHHSS0kdq1eCqSjJk8X98tpR0E/DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c7839fbb9d4d28b30a420be6a15bc0f572db2577bef1d520e935f77ecdfc3809","last_reissued_at":"2026-05-18T02:30:24.967273Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:30:24.967273Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1412.7849","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":"2026-05-18T02:30:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"knMtdGXp/oThAyGT25A4gUEwdMVjFpHW1MxUyzdNvC8XmZ8yFC4DevBLokdWBdzcBbdLzrlWFtLs6FAfkH/ICg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T00:35:19.240191Z"},"content_sha256":"288d88f813f8e94ce1c55a41b82243b42d93912e368440b942db34d5a796f0b1","schema_version":"1.0","event_id":"sha256:288d88f813f8e94ce1c55a41b82243b42d93912e368440b942db34d5a796f0b1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:Y6BZ7O45JUULGCSCBPTKCW6A6V","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Brachiaria species identification using imaging techniques based on fractal descriptors","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Fernanda de F\\'atima da Silva, Jo\\~ao Batista Florindo, Liliane Maria Romualdo, N\\'ubia Rosa da Silva, Odemir Martinez Bruno, Pedro Henrique de Cerqueira Luz, Valdo Rodrigues Herling","submitted_at":"2014-12-25T18:23:10Z","abstract_excerpt":"The use of a rapid and accurate method in diagnosis and classification of species and/or cultivars of forage has practical relevance, scientific and trade in various areas of study. Thus, leaf samples of fodder plant species \\textit{Brachiaria} were previously identified, collected and scanned to be treated by means of artificial vision to make the database and be used in subsequent classifications. Forage crops used were: \\textit{Brachiaria decumbens} cv. IPEAN; \\textit{Brachiaria ruziziensis} Germain \\& Evrard; \\textit{Brachiaria Brizantha} (Hochst. ex. A. Rich.) Stapf; \\textit{Brachiaria ar"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1412.7849","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":"2026-05-18T02:30:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sjn0vFFwT8Jd7wfg8ULdZq5fk0FPVheRq2Q9F4SSX4TrUfIt+sXzXIz6CPznk+TS45jjqB4dhyO9eoCxPQUiAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T00:35:19.240556Z"},"content_sha256":"1be91ea5c420dcf88b54e91e7c07b07d41fdc79e5f2bfb033ebc82c656572fba","schema_version":"1.0","event_id":"sha256:1be91ea5c420dcf88b54e91e7c07b07d41fdc79e5f2bfb033ebc82c656572fba"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Y6BZ7O45JUULGCSCBPTKCW6A6V/bundle.json","state_url":"https://pith.science/pith/Y6BZ7O45JUULGCSCBPTKCW6A6V/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Y6BZ7O45JUULGCSCBPTKCW6A6V/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":"2026-06-03T00:35:19Z","links":{"resolver":"https://pith.science/pith/Y6BZ7O45JUULGCSCBPTKCW6A6V","bundle":"https://pith.science/pith/Y6BZ7O45JUULGCSCBPTKCW6A6V/bundle.json","state":"https://pith.science/pith/Y6BZ7O45JUULGCSCBPTKCW6A6V/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Y6BZ7O45JUULGCSCBPTKCW6A6V/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:Y6BZ7O45JUULGCSCBPTKCW6A6V","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":"94a3525b59aa5966beb9a654824de3bde035feb301a93faedb8eb32abb433bef","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2014-12-25T18:23:10Z","title_canon_sha256":"5b07b1a9fa9afc997f92d85c09bd2e792d722a5da748f0694f6c03dd2ca94972"},"schema_version":"1.0","source":{"id":"1412.7849","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1412.7849","created_at":"2026-05-18T02:30:24Z"},{"alias_kind":"arxiv_version","alias_value":"1412.7849v1","created_at":"2026-05-18T02:30:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1412.7849","created_at":"2026-05-18T02:30:24Z"},{"alias_kind":"pith_short_12","alias_value":"Y6BZ7O45JUUL","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_16","alias_value":"Y6BZ7O45JUULGCSC","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_8","alias_value":"Y6BZ7O45","created_at":"2026-05-18T12:28:57Z"}],"graph_snapshots":[{"event_id":"sha256:1be91ea5c420dcf88b54e91e7c07b07d41fdc79e5f2bfb033ebc82c656572fba","target":"graph","created_at":"2026-05-18T02:30:24Z","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 use of a rapid and accurate method in diagnosis and classification of species and/or cultivars of forage has practical relevance, scientific and trade in various areas of study. Thus, leaf samples of fodder plant species \\textit{Brachiaria} were previously identified, collected and scanned to be treated by means of artificial vision to make the database and be used in subsequent classifications. Forage crops used were: \\textit{Brachiaria decumbens} cv. IPEAN; \\textit{Brachiaria ruziziensis} Germain \\& Evrard; \\textit{Brachiaria Brizantha} (Hochst. ex. A. Rich.) Stapf; \\textit{Brachiaria ar","authors_text":"Fernanda de F\\'atima da Silva, Jo\\~ao Batista Florindo, Liliane Maria Romualdo, N\\'ubia Rosa da Silva, Odemir Martinez Bruno, Pedro Henrique de Cerqueira Luz, Valdo Rodrigues Herling","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2014-12-25T18:23:10Z","title":"Brachiaria species identification using imaging techniques based on fractal descriptors"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1412.7849","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":"sha256:288d88f813f8e94ce1c55a41b82243b42d93912e368440b942db34d5a796f0b1","target":"record","created_at":"2026-05-18T02:30:24Z","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":"94a3525b59aa5966beb9a654824de3bde035feb301a93faedb8eb32abb433bef","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2014-12-25T18:23:10Z","title_canon_sha256":"5b07b1a9fa9afc997f92d85c09bd2e792d722a5da748f0694f6c03dd2ca94972"},"schema_version":"1.0","source":{"id":"1412.7849","kind":"arxiv","version":1}},"canonical_sha256":"c7839fbb9d4d28b30a420be6a15bc0f572db2577bef1d520e935f77ecdfc3809","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c7839fbb9d4d28b30a420be6a15bc0f572db2577bef1d520e935f77ecdfc3809","first_computed_at":"2026-05-18T02:30:24.967273Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:30:24.967273Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0lmNYtEZQkVTJJsD4HEWZF6J2FYBZNfoVQbQcaBMlypxcI6BtTDsElJGqSHHSS0kdq1eCqSjJk8X98tpR0E/DA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:30:24.967843Z","signed_message":"canonical_sha256_bytes"},"source_id":"1412.7849","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:288d88f813f8e94ce1c55a41b82243b42d93912e368440b942db34d5a796f0b1","sha256:1be91ea5c420dcf88b54e91e7c07b07d41fdc79e5f2bfb033ebc82c656572fba"],"state_sha256":"515902effc5e2b4009e7db184c902d35154bd8eff8a1764639a5bb0a53e69e95"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qs2q+e79vEPcYzLmepTXR16TUU1d0YKueCdlHxxVNTqyEkXFlDqqxyt9mJdOAWFf6Ex7Obz7qdz5FKkLfNdbCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T00:35:19.242590Z","bundle_sha256":"c47be420600b0e6d76fd5497f22b75458033b0a8f5d1aa877de7f9942ec43c48"}}