{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:IQ5O6CAMF5KPYF6VARS4MLFKFN","short_pith_number":"pith:IQ5O6CAM","canonical_record":{"source":{"id":"1712.03529","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DB","submitted_at":"2017-12-10T14:01:53Z","cross_cats_sorted":[],"title_canon_sha256":"201c35d4d21333e82d83fcd067738877c056dc4feb65161c4f3d8bc640d33e5b","abstract_canon_sha256":"b6ec5d1188646315f7dc89085b1330fdd86ba88f65534f2952a55bcbff8fb125"},"schema_version":"1.0"},"canonical_sha256":"443aef080c2f54fc17d50465c62caa2b4f12d6c9ec5562d510ea5ca7fa0efe08","source":{"kind":"arxiv","id":"1712.03529","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.03529","created_at":"2026-05-18T00:28:20Z"},{"alias_kind":"arxiv_version","alias_value":"1712.03529v1","created_at":"2026-05-18T00:28:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.03529","created_at":"2026-05-18T00:28:20Z"},{"alias_kind":"pith_short_12","alias_value":"IQ5O6CAMF5KP","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_16","alias_value":"IQ5O6CAMF5KPYF6V","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_8","alias_value":"IQ5O6CAM","created_at":"2026-05-18T12:31:21Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:IQ5O6CAMF5KPYF6VARS4MLFKFN","target":"record","payload":{"canonical_record":{"source":{"id":"1712.03529","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DB","submitted_at":"2017-12-10T14:01:53Z","cross_cats_sorted":[],"title_canon_sha256":"201c35d4d21333e82d83fcd067738877c056dc4feb65161c4f3d8bc640d33e5b","abstract_canon_sha256":"b6ec5d1188646315f7dc89085b1330fdd86ba88f65534f2952a55bcbff8fb125"},"schema_version":"1.0"},"canonical_sha256":"443aef080c2f54fc17d50465c62caa2b4f12d6c9ec5562d510ea5ca7fa0efe08","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:28:20.933324Z","signature_b64":"WEXTOOCi3pUqIT3Jel5AQ0T22vQSg/ybl9/yCri4f2DmGAtYaoMUB92IJeQr2MK/1h22nYUfjK1yBOCq1XJ9AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"443aef080c2f54fc17d50465c62caa2b4f12d6c9ec5562d510ea5ca7fa0efe08","last_reissued_at":"2026-05-18T00:28:20.932522Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:28:20.932522Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1712.03529","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":"2026-05-18T00:28:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"o2jsYidPLdzu2CRdX1TgATrRasivnzGe326S2PFprI1W3hvh8EWScWWwQ7V74ftErWZmIf270tsxqR7TLqfnBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T23:28:33.039115Z"},"content_sha256":"04f1e4b36452cbc2a878eeee2c2cbbdcf026d36233f4085ac51ed6adb31e1f57","schema_version":"1.0","event_id":"sha256:04f1e4b36452cbc2a878eeee2c2cbbdcf026d36233f4085ac51ed6adb31e1f57"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:IQ5O6CAMF5KPYF6VARS4MLFKFN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Exploration of User Groups in VEXUS","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.DB","authors_text":"Behrooz Omidvar-Tehrani, Fabian Colque Zegarra, Joao Comba, Sihem Amer-Yahia, Viviane Moreira","submitted_at":"2017-12-10T14:01:53Z","abstract_excerpt":"We introduce VEXUS, an interactive visualization framework for exploring user data to fulfill tasks such as finding a set of experts, forming discussion groups and analyzing collective behaviors. User data is characterized by a combination of demographics like age and occupation, and actions such as rating a movie, writing a paper, following a medical treatment or buying groceries. The ubiquity of user data requires tools that help explorers, be they specialists or novice users, acquire new insights. VEXUS lets explorers interact with user data via visual primitives and builds an exploration p"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.03529","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":"2026-05-18T00:28:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LzOzVBfE28/N3qRHgieofDkyGCMwpl4mFTOsXM2BTEa/8h8/YzGDhBMbeAyICIiwvC6LzRi1AYJQHUvUFPnnBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T23:28:33.039472Z"},"content_sha256":"16db00843233189b4a7eedd4f1c05041b49ecb553d45e8545bf5f8667d10564f","schema_version":"1.0","event_id":"sha256:16db00843233189b4a7eedd4f1c05041b49ecb553d45e8545bf5f8667d10564f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IQ5O6CAMF5KPYF6VARS4MLFKFN/bundle.json","state_url":"https://pith.science/pith/IQ5O6CAMF5KPYF6VARS4MLFKFN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IQ5O6CAMF5KPYF6VARS4MLFKFN/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":"2026-06-08T23:28:33Z","links":{"resolver":"https://pith.science/pith/IQ5O6CAMF5KPYF6VARS4MLFKFN","bundle":"https://pith.science/pith/IQ5O6CAMF5KPYF6VARS4MLFKFN/bundle.json","state":"https://pith.science/pith/IQ5O6CAMF5KPYF6VARS4MLFKFN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IQ5O6CAMF5KPYF6VARS4MLFKFN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:IQ5O6CAMF5KPYF6VARS4MLFKFN","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":"b6ec5d1188646315f7dc89085b1330fdd86ba88f65534f2952a55bcbff8fb125","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DB","submitted_at":"2017-12-10T14:01:53Z","title_canon_sha256":"201c35d4d21333e82d83fcd067738877c056dc4feb65161c4f3d8bc640d33e5b"},"schema_version":"1.0","source":{"id":"1712.03529","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.03529","created_at":"2026-05-18T00:28:20Z"},{"alias_kind":"arxiv_version","alias_value":"1712.03529v1","created_at":"2026-05-18T00:28:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.03529","created_at":"2026-05-18T00:28:20Z"},{"alias_kind":"pith_short_12","alias_value":"IQ5O6CAMF5KP","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_16","alias_value":"IQ5O6CAMF5KPYF6V","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_8","alias_value":"IQ5O6CAM","created_at":"2026-05-18T12:31:21Z"}],"graph_snapshots":[{"event_id":"sha256:16db00843233189b4a7eedd4f1c05041b49ecb553d45e8545bf5f8667d10564f","target":"graph","created_at":"2026-05-18T00:28:20Z","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":"We introduce VEXUS, an interactive visualization framework for exploring user data to fulfill tasks such as finding a set of experts, forming discussion groups and analyzing collective behaviors. User data is characterized by a combination of demographics like age and occupation, and actions such as rating a movie, writing a paper, following a medical treatment or buying groceries. The ubiquity of user data requires tools that help explorers, be they specialists or novice users, acquire new insights. VEXUS lets explorers interact with user data via visual primitives and builds an exploration p","authors_text":"Behrooz Omidvar-Tehrani, Fabian Colque Zegarra, Joao Comba, Sihem Amer-Yahia, Viviane Moreira","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DB","submitted_at":"2017-12-10T14:01:53Z","title":"Exploration of User Groups in VEXUS"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.03529","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":"sha256:04f1e4b36452cbc2a878eeee2c2cbbdcf026d36233f4085ac51ed6adb31e1f57","target":"record","created_at":"2026-05-18T00:28:20Z","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":"b6ec5d1188646315f7dc89085b1330fdd86ba88f65534f2952a55bcbff8fb125","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DB","submitted_at":"2017-12-10T14:01:53Z","title_canon_sha256":"201c35d4d21333e82d83fcd067738877c056dc4feb65161c4f3d8bc640d33e5b"},"schema_version":"1.0","source":{"id":"1712.03529","kind":"arxiv","version":1}},"canonical_sha256":"443aef080c2f54fc17d50465c62caa2b4f12d6c9ec5562d510ea5ca7fa0efe08","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"443aef080c2f54fc17d50465c62caa2b4f12d6c9ec5562d510ea5ca7fa0efe08","first_computed_at":"2026-05-18T00:28:20.932522Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:28:20.932522Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"WEXTOOCi3pUqIT3Jel5AQ0T22vQSg/ybl9/yCri4f2DmGAtYaoMUB92IJeQr2MK/1h22nYUfjK1yBOCq1XJ9AQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:28:20.933324Z","signed_message":"canonical_sha256_bytes"},"source_id":"1712.03529","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:04f1e4b36452cbc2a878eeee2c2cbbdcf026d36233f4085ac51ed6adb31e1f57","sha256:16db00843233189b4a7eedd4f1c05041b49ecb553d45e8545bf5f8667d10564f"],"state_sha256":"436d67bd40bce72272ce7b487dad5193ad2fdef9f81f834cd73e5f56451f92d1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bignzM/XBOW4bJ13wppCo3DbkrVD9FL4X79Mke0sIbOxIS+R6ZsPE/+n5xe0hy1Nx18DiHJjnUdyAjoLAVOVBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T23:28:33.041348Z","bundle_sha256":"05fae34c989da28979eb266cad4e4be5ff3bb0c5e028867ed90918059aa56376"}}