{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:BDAZXRT6G44SOAV54FYOG3HNVV","short_pith_number":"pith:BDAZXRT6","canonical_record":{"source":{"id":"1408.3148","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DB","submitted_at":"2014-08-13T21:16:31Z","cross_cats_sorted":[],"title_canon_sha256":"c1217afa1e0ea1d120c8f3c085ab6f68cd9c782ef0995dbcb1dd36fc8d0fa5c7","abstract_canon_sha256":"a16e4d6c4ab5973f3e6cd3b76cd9bd8391cd8950d2e404e375a9c5c0016e2714"},"schema_version":"1.0"},"canonical_sha256":"08c19bc67e37392702bde170e36cedad6a4ab96d6e27da727277d356e2842fb8","source":{"kind":"arxiv","id":"1408.3148","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.3148","created_at":"2026-05-18T00:41:42Z"},{"alias_kind":"arxiv_version","alias_value":"1408.3148v2","created_at":"2026-05-18T00:41:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.3148","created_at":"2026-05-18T00:41:42Z"},{"alias_kind":"pith_short_12","alias_value":"BDAZXRT6G44S","created_at":"2026-05-18T12:28:22Z"},{"alias_kind":"pith_short_16","alias_value":"BDAZXRT6G44SOAV5","created_at":"2026-05-18T12:28:22Z"},{"alias_kind":"pith_short_8","alias_value":"BDAZXRT6","created_at":"2026-05-18T12:28:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:BDAZXRT6G44SOAV54FYOG3HNVV","target":"record","payload":{"canonical_record":{"source":{"id":"1408.3148","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DB","submitted_at":"2014-08-13T21:16:31Z","cross_cats_sorted":[],"title_canon_sha256":"c1217afa1e0ea1d120c8f3c085ab6f68cd9c782ef0995dbcb1dd36fc8d0fa5c7","abstract_canon_sha256":"a16e4d6c4ab5973f3e6cd3b76cd9bd8391cd8950d2e404e375a9c5c0016e2714"},"schema_version":"1.0"},"canonical_sha256":"08c19bc67e37392702bde170e36cedad6a4ab96d6e27da727277d356e2842fb8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:41:42.314327Z","signature_b64":"KBIRvKoljE26mfXdoZ8UtFk6dxnif+V1j8ceZ30psW9spz+2QY0cU2VqK88H6rCA4N47viLGWKH1qwVELpDaDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"08c19bc67e37392702bde170e36cedad6a4ab96d6e27da727277d356e2842fb8","last_reissued_at":"2026-05-18T00:41:42.313828Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:41:42.313828Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1408.3148","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:41:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RUn+arQyMad8HSzLJmBhOMdM5rzT9zBWL3uiRyTvvUcgxx6jJk98SE9l6CqKei0gUNqzrID+qWnwSe9s6JWxDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T18:40:04.692042Z"},"content_sha256":"a0348ad6cc03d9f370f1c173efb3e3d109be6170119000443d84fa268c370423","schema_version":"1.0","event_id":"sha256:a0348ad6cc03d9f370f1c173efb3e3d109be6170119000443d84fa268c370423"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:BDAZXRT6G44SOAV54FYOG3HNVV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"rdf:SynopsViz - A Framework for Hierarchical Linked Data Visual Exploration and Analysis","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.DB","authors_text":"George Papastefanatos, Melina Skourla, Nikos Bikakis","submitted_at":"2014-08-13T21:16:31Z","abstract_excerpt":"The purpose of data visualization is to offer intuitive ways for information perception and manipulation, especially for non-expert users. The Web of Data has realized the availability of a huge amount of datasets. However, the volume and heterogeneity of available information make it difficult for humans to manually explore and analyse large datasets. In this paper, we present rdf:SynopsViz, a tool for hierarchical charting and visual exploration of Linked Open Data (LOD). Hierarchical LOD exploration is based on the creation of multiple levels of hierarchically related groups of resources ba"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.3148","kind":"arxiv","version":2},"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":"2026-05-18T00:41:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YGuIerReaBSIThIDtLg84vZ9qWUkON6NaDK+pX8A27Zq3/d8C1JOsDx2M1YsyGxWOXadgBjXWhJyITgGEF7sAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T18:40:04.692401Z"},"content_sha256":"3511307b8d4555f37a6355710e3892b359d2d19ef2a4a72e1569d773c5ba2b7a","schema_version":"1.0","event_id":"sha256:3511307b8d4555f37a6355710e3892b359d2d19ef2a4a72e1569d773c5ba2b7a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BDAZXRT6G44SOAV54FYOG3HNVV/bundle.json","state_url":"https://pith.science/pith/BDAZXRT6G44SOAV54FYOG3HNVV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BDAZXRT6G44SOAV54FYOG3HNVV/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":"2026-06-01T18:40:04Z","links":{"resolver":"https://pith.science/pith/BDAZXRT6G44SOAV54FYOG3HNVV","bundle":"https://pith.science/pith/BDAZXRT6G44SOAV54FYOG3HNVV/bundle.json","state":"https://pith.science/pith/BDAZXRT6G44SOAV54FYOG3HNVV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BDAZXRT6G44SOAV54FYOG3HNVV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:BDAZXRT6G44SOAV54FYOG3HNVV","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":"a16e4d6c4ab5973f3e6cd3b76cd9bd8391cd8950d2e404e375a9c5c0016e2714","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DB","submitted_at":"2014-08-13T21:16:31Z","title_canon_sha256":"c1217afa1e0ea1d120c8f3c085ab6f68cd9c782ef0995dbcb1dd36fc8d0fa5c7"},"schema_version":"1.0","source":{"id":"1408.3148","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.3148","created_at":"2026-05-18T00:41:42Z"},{"alias_kind":"arxiv_version","alias_value":"1408.3148v2","created_at":"2026-05-18T00:41:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.3148","created_at":"2026-05-18T00:41:42Z"},{"alias_kind":"pith_short_12","alias_value":"BDAZXRT6G44S","created_at":"2026-05-18T12:28:22Z"},{"alias_kind":"pith_short_16","alias_value":"BDAZXRT6G44SOAV5","created_at":"2026-05-18T12:28:22Z"},{"alias_kind":"pith_short_8","alias_value":"BDAZXRT6","created_at":"2026-05-18T12:28:22Z"}],"graph_snapshots":[{"event_id":"sha256:3511307b8d4555f37a6355710e3892b359d2d19ef2a4a72e1569d773c5ba2b7a","target":"graph","created_at":"2026-05-18T00:41:42Z","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 purpose of data visualization is to offer intuitive ways for information perception and manipulation, especially for non-expert users. The Web of Data has realized the availability of a huge amount of datasets. However, the volume and heterogeneity of available information make it difficult for humans to manually explore and analyse large datasets. In this paper, we present rdf:SynopsViz, a tool for hierarchical charting and visual exploration of Linked Open Data (LOD). Hierarchical LOD exploration is based on the creation of multiple levels of hierarchically related groups of resources ba","authors_text":"George Papastefanatos, Melina Skourla, Nikos Bikakis","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DB","submitted_at":"2014-08-13T21:16:31Z","title":"rdf:SynopsViz - A Framework for Hierarchical Linked Data Visual Exploration and Analysis"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.3148","kind":"arxiv","version":2},"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:a0348ad6cc03d9f370f1c173efb3e3d109be6170119000443d84fa268c370423","target":"record","created_at":"2026-05-18T00:41:42Z","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":"a16e4d6c4ab5973f3e6cd3b76cd9bd8391cd8950d2e404e375a9c5c0016e2714","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DB","submitted_at":"2014-08-13T21:16:31Z","title_canon_sha256":"c1217afa1e0ea1d120c8f3c085ab6f68cd9c782ef0995dbcb1dd36fc8d0fa5c7"},"schema_version":"1.0","source":{"id":"1408.3148","kind":"arxiv","version":2}},"canonical_sha256":"08c19bc67e37392702bde170e36cedad6a4ab96d6e27da727277d356e2842fb8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"08c19bc67e37392702bde170e36cedad6a4ab96d6e27da727277d356e2842fb8","first_computed_at":"2026-05-18T00:41:42.313828Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:41:42.313828Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KBIRvKoljE26mfXdoZ8UtFk6dxnif+V1j8ceZ30psW9spz+2QY0cU2VqK88H6rCA4N47viLGWKH1qwVELpDaDw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:41:42.314327Z","signed_message":"canonical_sha256_bytes"},"source_id":"1408.3148","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a0348ad6cc03d9f370f1c173efb3e3d109be6170119000443d84fa268c370423","sha256:3511307b8d4555f37a6355710e3892b359d2d19ef2a4a72e1569d773c5ba2b7a"],"state_sha256":"61ca4a7c782c0f517f6d57a0e4995e9bcbb58335f3bec9c6d1d316483e2619f8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PHuj6qMPFQwUUT++uVApGqPFRQWz20Ny0rcZUOeCMGSp7R3c89Gh+VASMWTTNLSLpE5Djs7LaXYRvR1+JbSvDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T18:40:04.694420Z","bundle_sha256":"fbae1a8a6a0555213690dcf160693eabfb69c1785430eebbf45a8b3c2e087058"}}