{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:7SUB72VJVAC5M7L3YMXQJ6HMQ6","short_pith_number":"pith:7SUB72VJ","canonical_record":{"source":{"id":"1504.04116","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CY","submitted_at":"2015-04-16T07:30:59Z","cross_cats_sorted":[],"title_canon_sha256":"d711e8db113db5de18f2a6c55882bee2649089414ab022f380239bbaeab14f4a","abstract_canon_sha256":"aa29969b97b433b0ca4ef9045cf8757e1d0c100b2ba29a8512fcb65d1e558240"},"schema_version":"1.0"},"canonical_sha256":"fca81feaa9a805d67d7bc32f04f8ec87aaadc5fd3f0a926da7fd8dda733cc9c6","source":{"kind":"arxiv","id":"1504.04116","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1504.04116","created_at":"2026-05-18T02:18:39Z"},{"alias_kind":"arxiv_version","alias_value":"1504.04116v1","created_at":"2026-05-18T02:18:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.04116","created_at":"2026-05-18T02:18:39Z"},{"alias_kind":"pith_short_12","alias_value":"7SUB72VJVAC5","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_16","alias_value":"7SUB72VJVAC5M7L3","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_8","alias_value":"7SUB72VJ","created_at":"2026-05-18T12:29:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:7SUB72VJVAC5M7L3YMXQJ6HMQ6","target":"record","payload":{"canonical_record":{"source":{"id":"1504.04116","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CY","submitted_at":"2015-04-16T07:30:59Z","cross_cats_sorted":[],"title_canon_sha256":"d711e8db113db5de18f2a6c55882bee2649089414ab022f380239bbaeab14f4a","abstract_canon_sha256":"aa29969b97b433b0ca4ef9045cf8757e1d0c100b2ba29a8512fcb65d1e558240"},"schema_version":"1.0"},"canonical_sha256":"fca81feaa9a805d67d7bc32f04f8ec87aaadc5fd3f0a926da7fd8dda733cc9c6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:18:39.812759Z","signature_b64":"DDV8O97gyBkqO5p9COAcAtw0LklzV37vU5PfHG8RknRf7XlWzBPXn9lw0PhYLe68H/5aXyWaC4nomlVrQhVjBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fca81feaa9a805d67d7bc32f04f8ec87aaadc5fd3f0a926da7fd8dda733cc9c6","last_reissued_at":"2026-05-18T02:18:39.811979Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:18:39.811979Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1504.04116","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":"2026-05-18T02:18:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hBRUoDFRVFNC+hRbhzAlmYH4I8ERot+/F/qvffILmcEke4sKE5YQFLXNhMjOV/mOYu7KL/HBEoSTi4MiOMiVAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T15:31:06.406741Z"},"content_sha256":"a88533727b31de0c57972832a713d7c1cb88494467ed1f4c0eeca862fd2f1735","schema_version":"1.0","event_id":"sha256:a88533727b31de0c57972832a713d7c1cb88494467ed1f4c0eeca862fd2f1735"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:7SUB72VJVAC5M7L3YMXQJ6HMQ6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Student Satisfaction mining in a typical core course of Computer Science","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CY","authors_text":"Farzana Afrin, Mashiour Rahman, Mohammad Saidur Rahman, Mohammad Saiedur Rahaman","submitted_at":"2015-04-16T07:30:59Z","abstract_excerpt":"Students' satisfaction plays a vital role in success of an educational institute. Hence, many educational institutes continuously improve their service to produce a supportive learning environment to satisfy the student need. For this reason, educational institutions collect student satisfaction data to make decision about institutional quality, but till now it cannot be determined because student satisfaction is a complex matter which is influenced by variety of characteristics of students and institutions. There are many studies have been performed to inspect student satisfaction in the form"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.04116","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":"2026-05-18T02:18:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"seyxVrn8bVGxUct7gMqWXrxuY0BgsLQKASKKmvw2mCJ5CEvZJB4Qqv8D4ecdyq+QlBXA62vuJaX6r+oee04NDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T15:31:06.407092Z"},"content_sha256":"4abb84b67b0ab6151c0f31cd1b4df1604ed2f4831506bbb48846e3797b503e9a","schema_version":"1.0","event_id":"sha256:4abb84b67b0ab6151c0f31cd1b4df1604ed2f4831506bbb48846e3797b503e9a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7SUB72VJVAC5M7L3YMXQJ6HMQ6/bundle.json","state_url":"https://pith.science/pith/7SUB72VJVAC5M7L3YMXQJ6HMQ6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7SUB72VJVAC5M7L3YMXQJ6HMQ6/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":"2026-06-27T15:31:06Z","links":{"resolver":"https://pith.science/pith/7SUB72VJVAC5M7L3YMXQJ6HMQ6","bundle":"https://pith.science/pith/7SUB72VJVAC5M7L3YMXQJ6HMQ6/bundle.json","state":"https://pith.science/pith/7SUB72VJVAC5M7L3YMXQJ6HMQ6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7SUB72VJVAC5M7L3YMXQJ6HMQ6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:7SUB72VJVAC5M7L3YMXQJ6HMQ6","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":"aa29969b97b433b0ca4ef9045cf8757e1d0c100b2ba29a8512fcb65d1e558240","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CY","submitted_at":"2015-04-16T07:30:59Z","title_canon_sha256":"d711e8db113db5de18f2a6c55882bee2649089414ab022f380239bbaeab14f4a"},"schema_version":"1.0","source":{"id":"1504.04116","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1504.04116","created_at":"2026-05-18T02:18:39Z"},{"alias_kind":"arxiv_version","alias_value":"1504.04116v1","created_at":"2026-05-18T02:18:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.04116","created_at":"2026-05-18T02:18:39Z"},{"alias_kind":"pith_short_12","alias_value":"7SUB72VJVAC5","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_16","alias_value":"7SUB72VJVAC5M7L3","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_8","alias_value":"7SUB72VJ","created_at":"2026-05-18T12:29:10Z"}],"graph_snapshots":[{"event_id":"sha256:4abb84b67b0ab6151c0f31cd1b4df1604ed2f4831506bbb48846e3797b503e9a","target":"graph","created_at":"2026-05-18T02:18:39Z","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":"Students' satisfaction plays a vital role in success of an educational institute. Hence, many educational institutes continuously improve their service to produce a supportive learning environment to satisfy the student need. For this reason, educational institutions collect student satisfaction data to make decision about institutional quality, but till now it cannot be determined because student satisfaction is a complex matter which is influenced by variety of characteristics of students and institutions. There are many studies have been performed to inspect student satisfaction in the form","authors_text":"Farzana Afrin, Mashiour Rahman, Mohammad Saidur Rahman, Mohammad Saiedur Rahaman","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CY","submitted_at":"2015-04-16T07:30:59Z","title":"Student Satisfaction mining in a typical core course of Computer Science"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.04116","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:a88533727b31de0c57972832a713d7c1cb88494467ed1f4c0eeca862fd2f1735","target":"record","created_at":"2026-05-18T02:18:39Z","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":"aa29969b97b433b0ca4ef9045cf8757e1d0c100b2ba29a8512fcb65d1e558240","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CY","submitted_at":"2015-04-16T07:30:59Z","title_canon_sha256":"d711e8db113db5de18f2a6c55882bee2649089414ab022f380239bbaeab14f4a"},"schema_version":"1.0","source":{"id":"1504.04116","kind":"arxiv","version":1}},"canonical_sha256":"fca81feaa9a805d67d7bc32f04f8ec87aaadc5fd3f0a926da7fd8dda733cc9c6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fca81feaa9a805d67d7bc32f04f8ec87aaadc5fd3f0a926da7fd8dda733cc9c6","first_computed_at":"2026-05-18T02:18:39.811979Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:18:39.811979Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"DDV8O97gyBkqO5p9COAcAtw0LklzV37vU5PfHG8RknRf7XlWzBPXn9lw0PhYLe68H/5aXyWaC4nomlVrQhVjBA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:18:39.812759Z","signed_message":"canonical_sha256_bytes"},"source_id":"1504.04116","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a88533727b31de0c57972832a713d7c1cb88494467ed1f4c0eeca862fd2f1735","sha256:4abb84b67b0ab6151c0f31cd1b4df1604ed2f4831506bbb48846e3797b503e9a"],"state_sha256":"bc63906973f05cc50984251d18b3a5d6c05ec4fd45500ae756251f9b590fa657"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"n40EAwbn1hWqtiiWdWdluAp86T70vVAvovY0f4/T0obASH0dNymQZejysTdzMyxHfwlAvOFWc/ZTfqQPpzHIAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-27T15:31:06.409245Z","bundle_sha256":"3b9f4771c8612beb7c3bae37af36c16ddde0512acb7ae6ceffc29e1481eb5931"}}