{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:7RGRTGEZYG37O3VRONLYWCFIXV","short_pith_number":"pith:7RGRTGEZ","canonical_record":{"source":{"id":"2012.08830","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.DB","submitted_at":"2020-12-16T09:59:27Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"54351454e7866a010903423c097e5630e3a4a13b58c26aa97f62897c109e40ea","abstract_canon_sha256":"c67a77808144e9555f5a8cf23372e11a929d669d10147ad278d61b58195ff16e"},"schema_version":"1.0"},"canonical_sha256":"fc4d199899c1b7f76eb173578b08a8bd6700923c8c96572db50f8ce5e0c5616c","source":{"kind":"arxiv","id":"2012.08830","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2012.08830","created_at":"2026-07-05T02:00:03Z"},{"alias_kind":"arxiv_version","alias_value":"2012.08830v1","created_at":"2026-07-05T02:00:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2012.08830","created_at":"2026-07-05T02:00:03Z"},{"alias_kind":"pith_short_12","alias_value":"7RGRTGEZYG37","created_at":"2026-07-05T02:00:03Z"},{"alias_kind":"pith_short_16","alias_value":"7RGRTGEZYG37O3VR","created_at":"2026-07-05T02:00:03Z"},{"alias_kind":"pith_short_8","alias_value":"7RGRTGEZ","created_at":"2026-07-05T02:00:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:7RGRTGEZYG37O3VRONLYWCFIXV","target":"record","payload":{"canonical_record":{"source":{"id":"2012.08830","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.DB","submitted_at":"2020-12-16T09:59:27Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"54351454e7866a010903423c097e5630e3a4a13b58c26aa97f62897c109e40ea","abstract_canon_sha256":"c67a77808144e9555f5a8cf23372e11a929d669d10147ad278d61b58195ff16e"},"schema_version":"1.0"},"canonical_sha256":"fc4d199899c1b7f76eb173578b08a8bd6700923c8c96572db50f8ce5e0c5616c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:00:03.907877Z","signature_b64":"Y1FrR9O9jlHWhZcHwHqkiOf6dSvogGqa+6tkkS0XU/Z7EK8kWtsw1AxOPKUnK2ZDttcNv6/rVYUYUorXsqZ1CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fc4d199899c1b7f76eb173578b08a8bd6700923c8c96572db50f8ce5e0c5616c","last_reissued_at":"2026-07-05T02:00:03.907479Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:00:03.907479Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2012.08830","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":"2026-07-05T02:00:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EY6O7d6M5qAQvzEIEEhnAjUb4Zg5zKcUJR1pCJ+v2rae0bOHoWDHefxzfQ12aSS55Nx6W/BPhHHOB5Owzx7hBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T20:24:56.331019Z"},"content_sha256":"9e861d5711d7a74aebb7baa3810d2b27b6f256deab5873b9a7613a56c4e564b4","schema_version":"1.0","event_id":"sha256:9e861d5711d7a74aebb7baa3810d2b27b6f256deab5873b9a7613a56c4e564b4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:7RGRTGEZYG37O3VRONLYWCFIXV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Graph integration of structured, semistructured and unstructured data for data journalism","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["cs.AI"],"primary_cat":"cs.DB","authors_text":"Angelos-Christos Anadiotis, Catarina Conceicao, Helena Galhardas, Ioana Manolescu, Jingmao You, Mhd Yamen Haddad, Oana Balalau, Tayeb Merabti","submitted_at":"2020-12-16T09:59:27Z","abstract_excerpt":"Digital data is a gold mine for modern journalism. However, datasets which interest journalists are extremely heterogeneous, ranging from highly structured (relational databases), semi-structured (JSON, XML, HTML), graphs (e.g., RDF), and text. Journalists (and other classes of users lacking advanced IT expertise, such as most non-governmental-organizations, or small public administrations) need to be able to make sense of such heterogeneous corpora, even if they lack the ability to define and deploy custom extract-transform-load workflows, especially for dynamically varying sets of data sourc"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2012.08830","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/2012.08830/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":"2026-07-05T02:00:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nbA6PF+kU2uGDWji33C4wNb5h2lipqswpja4uCnIMQS3GvGC3v8+O6pLT5gchSByS2j1KeCsbTRJsy/B4AqHDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T20:24:56.331406Z"},"content_sha256":"3afac743745f92c3c8e3785d8f93d5551e3dfec0a9c45ea7aa98d601d90f0dd3","schema_version":"1.0","event_id":"sha256:3afac743745f92c3c8e3785d8f93d5551e3dfec0a9c45ea7aa98d601d90f0dd3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7RGRTGEZYG37O3VRONLYWCFIXV/bundle.json","state_url":"https://pith.science/pith/7RGRTGEZYG37O3VRONLYWCFIXV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7RGRTGEZYG37O3VRONLYWCFIXV/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":"2026-07-06T20:24:56Z","links":{"resolver":"https://pith.science/pith/7RGRTGEZYG37O3VRONLYWCFIXV","bundle":"https://pith.science/pith/7RGRTGEZYG37O3VRONLYWCFIXV/bundle.json","state":"https://pith.science/pith/7RGRTGEZYG37O3VRONLYWCFIXV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7RGRTGEZYG37O3VRONLYWCFIXV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:7RGRTGEZYG37O3VRONLYWCFIXV","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":"c67a77808144e9555f5a8cf23372e11a929d669d10147ad278d61b58195ff16e","cross_cats_sorted":["cs.AI"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.DB","submitted_at":"2020-12-16T09:59:27Z","title_canon_sha256":"54351454e7866a010903423c097e5630e3a4a13b58c26aa97f62897c109e40ea"},"schema_version":"1.0","source":{"id":"2012.08830","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2012.08830","created_at":"2026-07-05T02:00:03Z"},{"alias_kind":"arxiv_version","alias_value":"2012.08830v1","created_at":"2026-07-05T02:00:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2012.08830","created_at":"2026-07-05T02:00:03Z"},{"alias_kind":"pith_short_12","alias_value":"7RGRTGEZYG37","created_at":"2026-07-05T02:00:03Z"},{"alias_kind":"pith_short_16","alias_value":"7RGRTGEZYG37O3VR","created_at":"2026-07-05T02:00:03Z"},{"alias_kind":"pith_short_8","alias_value":"7RGRTGEZ","created_at":"2026-07-05T02:00:03Z"}],"graph_snapshots":[{"event_id":"sha256:3afac743745f92c3c8e3785d8f93d5551e3dfec0a9c45ea7aa98d601d90f0dd3","target":"graph","created_at":"2026-07-05T02:00:03Z","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/2012.08830/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Digital data is a gold mine for modern journalism. However, datasets which interest journalists are extremely heterogeneous, ranging from highly structured (relational databases), semi-structured (JSON, XML, HTML), graphs (e.g., RDF), and text. Journalists (and other classes of users lacking advanced IT expertise, such as most non-governmental-organizations, or small public administrations) need to be able to make sense of such heterogeneous corpora, even if they lack the ability to define and deploy custom extract-transform-load workflows, especially for dynamically varying sets of data sourc","authors_text":"Angelos-Christos Anadiotis, Catarina Conceicao, Helena Galhardas, Ioana Manolescu, Jingmao You, Mhd Yamen Haddad, Oana Balalau, Tayeb Merabti","cross_cats":["cs.AI"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.DB","submitted_at":"2020-12-16T09:59:27Z","title":"Graph integration of structured, semistructured and unstructured data for data journalism"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2012.08830","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":"sha256:9e861d5711d7a74aebb7baa3810d2b27b6f256deab5873b9a7613a56c4e564b4","target":"record","created_at":"2026-07-05T02:00:03Z","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":"c67a77808144e9555f5a8cf23372e11a929d669d10147ad278d61b58195ff16e","cross_cats_sorted":["cs.AI"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.DB","submitted_at":"2020-12-16T09:59:27Z","title_canon_sha256":"54351454e7866a010903423c097e5630e3a4a13b58c26aa97f62897c109e40ea"},"schema_version":"1.0","source":{"id":"2012.08830","kind":"arxiv","version":1}},"canonical_sha256":"fc4d199899c1b7f76eb173578b08a8bd6700923c8c96572db50f8ce5e0c5616c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fc4d199899c1b7f76eb173578b08a8bd6700923c8c96572db50f8ce5e0c5616c","first_computed_at":"2026-07-05T02:00:03.907479Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:00:03.907479Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Y1FrR9O9jlHWhZcHwHqkiOf6dSvogGqa+6tkkS0XU/Z7EK8kWtsw1AxOPKUnK2ZDttcNv6/rVYUYUorXsqZ1CQ==","signature_status":"signed_v1","signed_at":"2026-07-05T02:00:03.907877Z","signed_message":"canonical_sha256_bytes"},"source_id":"2012.08830","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9e861d5711d7a74aebb7baa3810d2b27b6f256deab5873b9a7613a56c4e564b4","sha256:3afac743745f92c3c8e3785d8f93d5551e3dfec0a9c45ea7aa98d601d90f0dd3"],"state_sha256":"b46f17bb48c435c624dfcd8113ba64c214d74ff6af3b83d0aa0ab5a86e5cfbb4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"27fhiveHWHsgdX9sj3653rh8f4u14lxzfbv43ivpK7/hubVJRHp8THefDlXeMSrpgels/5tpRebaHSTf+LDmBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T20:24:56.333331Z","bundle_sha256":"3fa07dad99457a2aa9182a201067cd0581cc8a97be267205fa64938d7153be55"}}