{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:F3LNPDM6AAGXDZJ5R7UPW4O5JQ","short_pith_number":"pith:F3LNPDM6","canonical_record":{"source":{"id":"1607.06961","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2016-07-23T19:07:53Z","cross_cats_sorted":[],"title_canon_sha256":"81f1a563ccac91665fc2e6503ba8405c048a9ac8e564a8eda50c76babf4b8988","abstract_canon_sha256":"8dd08993e8133ef4c22e7ab55c18b7241d5438a0205dcdf0529dfd7fb1a150c7"},"schema_version":"1.0"},"canonical_sha256":"2ed6d78d9e000d71e53d8fe8fb71dd4c0b1e8c27a1c459f3ae6bb03b4b806ecb","source":{"kind":"arxiv","id":"1607.06961","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1607.06961","created_at":"2026-05-18T00:51:25Z"},{"alias_kind":"arxiv_version","alias_value":"1607.06961v1","created_at":"2026-05-18T00:51:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1607.06961","created_at":"2026-05-18T00:51:25Z"},{"alias_kind":"pith_short_12","alias_value":"F3LNPDM6AAGX","created_at":"2026-05-18T12:30:15Z"},{"alias_kind":"pith_short_16","alias_value":"F3LNPDM6AAGXDZJ5","created_at":"2026-05-18T12:30:15Z"},{"alias_kind":"pith_short_8","alias_value":"F3LNPDM6","created_at":"2026-05-18T12:30:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:F3LNPDM6AAGXDZJ5R7UPW4O5JQ","target":"record","payload":{"canonical_record":{"source":{"id":"1607.06961","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2016-07-23T19:07:53Z","cross_cats_sorted":[],"title_canon_sha256":"81f1a563ccac91665fc2e6503ba8405c048a9ac8e564a8eda50c76babf4b8988","abstract_canon_sha256":"8dd08993e8133ef4c22e7ab55c18b7241d5438a0205dcdf0529dfd7fb1a150c7"},"schema_version":"1.0"},"canonical_sha256":"2ed6d78d9e000d71e53d8fe8fb71dd4c0b1e8c27a1c459f3ae6bb03b4b806ecb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:51:25.434382Z","signature_b64":"acdgpBor7GCtAYd1gjrPuNSnBpLFPOuLAvy9pRGXZOCaud+bPjwK4Xw22DyP0D1CrIOFsqba90Ygm0MKcJjmDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2ed6d78d9e000d71e53d8fe8fb71dd4c0b1e8c27a1c459f3ae6bb03b4b806ecb","last_reissued_at":"2026-05-18T00:51:25.433662Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:51:25.433662Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1607.06961","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":"2026-05-18T00:51:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HkQq4PWTK7mHPAfTMDCRDda5FCDJWkXgRev8bXqJGtvY0BB4y4QBUsDai4XfDlG+yCHbqyk04Spno0JAYJUYCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-25T14:10:02.595639Z"},"content_sha256":"6f32b46da696868662d31ca31ead748c9c5b2d26a57bbdc62f5600542badd088","schema_version":"1.0","event_id":"sha256:6f32b46da696868662d31ca31ead748c9c5b2d26a57bbdc62f5600542badd088"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:F3LNPDM6AAGXDZJ5R7UPW4O5JQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Authorship attribution via network motifs identification","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CL","authors_text":"Diego Raphael Amancio, Graeme Hirst, Vanessa Queiroz Marinho","submitted_at":"2016-07-23T19:07:53Z","abstract_excerpt":"Concepts and methods of complex networks can be used to analyse texts at their different complexity levels. Examples of natural language processing (NLP) tasks studied via topological analysis of networks are keyword identification, automatic extractive summarization and authorship attribution. Even though a myriad of network measurements have been applied to study the authorship attribution problem, the use of motifs for text analysis has been restricted to a few works. The goal of this paper is to apply the concept of motifs, recurrent interconnection patterns, in the authorship attribution "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1607.06961","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":"2026-05-18T00:51:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Adjvspwrgvaqy6MgMi72Qpg9kZkttLVpcL9D74FrEm2UHZMVZv7Pz4K3Bx1KAbCexKqtObIzNnmpB5f9dpv1Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-25T14:10:02.596058Z"},"content_sha256":"415fee7077387c553eb89a611d3e7e7ba21c82cf6b949dea91a60fe171b97e1d","schema_version":"1.0","event_id":"sha256:415fee7077387c553eb89a611d3e7e7ba21c82cf6b949dea91a60fe171b97e1d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/F3LNPDM6AAGXDZJ5R7UPW4O5JQ/bundle.json","state_url":"https://pith.science/pith/F3LNPDM6AAGXDZJ5R7UPW4O5JQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/F3LNPDM6AAGXDZJ5R7UPW4O5JQ/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":"2026-06-25T14:10:02Z","links":{"resolver":"https://pith.science/pith/F3LNPDM6AAGXDZJ5R7UPW4O5JQ","bundle":"https://pith.science/pith/F3LNPDM6AAGXDZJ5R7UPW4O5JQ/bundle.json","state":"https://pith.science/pith/F3LNPDM6AAGXDZJ5R7UPW4O5JQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/F3LNPDM6AAGXDZJ5R7UPW4O5JQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:F3LNPDM6AAGXDZJ5R7UPW4O5JQ","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":"8dd08993e8133ef4c22e7ab55c18b7241d5438a0205dcdf0529dfd7fb1a150c7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2016-07-23T19:07:53Z","title_canon_sha256":"81f1a563ccac91665fc2e6503ba8405c048a9ac8e564a8eda50c76babf4b8988"},"schema_version":"1.0","source":{"id":"1607.06961","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1607.06961","created_at":"2026-05-18T00:51:25Z"},{"alias_kind":"arxiv_version","alias_value":"1607.06961v1","created_at":"2026-05-18T00:51:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1607.06961","created_at":"2026-05-18T00:51:25Z"},{"alias_kind":"pith_short_12","alias_value":"F3LNPDM6AAGX","created_at":"2026-05-18T12:30:15Z"},{"alias_kind":"pith_short_16","alias_value":"F3LNPDM6AAGXDZJ5","created_at":"2026-05-18T12:30:15Z"},{"alias_kind":"pith_short_8","alias_value":"F3LNPDM6","created_at":"2026-05-18T12:30:15Z"}],"graph_snapshots":[{"event_id":"sha256:415fee7077387c553eb89a611d3e7e7ba21c82cf6b949dea91a60fe171b97e1d","target":"graph","created_at":"2026-05-18T00:51:25Z","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":"Concepts and methods of complex networks can be used to analyse texts at their different complexity levels. Examples of natural language processing (NLP) tasks studied via topological analysis of networks are keyword identification, automatic extractive summarization and authorship attribution. Even though a myriad of network measurements have been applied to study the authorship attribution problem, the use of motifs for text analysis has been restricted to a few works. The goal of this paper is to apply the concept of motifs, recurrent interconnection patterns, in the authorship attribution ","authors_text":"Diego Raphael Amancio, Graeme Hirst, Vanessa Queiroz Marinho","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2016-07-23T19:07:53Z","title":"Authorship attribution via network motifs identification"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1607.06961","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":"sha256:6f32b46da696868662d31ca31ead748c9c5b2d26a57bbdc62f5600542badd088","target":"record","created_at":"2026-05-18T00:51:25Z","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":"8dd08993e8133ef4c22e7ab55c18b7241d5438a0205dcdf0529dfd7fb1a150c7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2016-07-23T19:07:53Z","title_canon_sha256":"81f1a563ccac91665fc2e6503ba8405c048a9ac8e564a8eda50c76babf4b8988"},"schema_version":"1.0","source":{"id":"1607.06961","kind":"arxiv","version":1}},"canonical_sha256":"2ed6d78d9e000d71e53d8fe8fb71dd4c0b1e8c27a1c459f3ae6bb03b4b806ecb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2ed6d78d9e000d71e53d8fe8fb71dd4c0b1e8c27a1c459f3ae6bb03b4b806ecb","first_computed_at":"2026-05-18T00:51:25.433662Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:51:25.433662Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"acdgpBor7GCtAYd1gjrPuNSnBpLFPOuLAvy9pRGXZOCaud+bPjwK4Xw22DyP0D1CrIOFsqba90Ygm0MKcJjmDA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:51:25.434382Z","signed_message":"canonical_sha256_bytes"},"source_id":"1607.06961","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6f32b46da696868662d31ca31ead748c9c5b2d26a57bbdc62f5600542badd088","sha256:415fee7077387c553eb89a611d3e7e7ba21c82cf6b949dea91a60fe171b97e1d"],"state_sha256":"935cac313f25c2d340d1474bb417edac60a29f1fa147e489560420d1b43b1297"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+PCO8JTJfhUQT+ZX3eSBlD6XJ+GrqPxiVv7itk+IwxKv+dq6Zgb/t5CCz6EeSUPburM/lnKwnx0DCz8f3gnsBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-25T14:10:02.597995Z","bundle_sha256":"08432d63d016b048d01d01c19f6ce7df1af0aa1901ba0c71c87d9d721c6fed1f"}}