{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:N37RHO7EQDZFCKGK24NZYEBNTV","short_pith_number":"pith:N37RHO7E","canonical_record":{"source":{"id":"1902.04262","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2019-02-12T07:22:17Z","cross_cats_sorted":["cs.HC"],"title_canon_sha256":"fa1c7405fb0d13a20feaba37a0469cc57a44c77341b50466ca6aceb4acd439fe","abstract_canon_sha256":"805263b464ef69b871bb7ec4c1c12a664a625bd68d00b02a11d010b9281abb8b"},"schema_version":"1.0"},"canonical_sha256":"6eff13bbe480f25128cad71b9c102d9d4c3f4903a747bb9c252db5588646f57c","source":{"kind":"arxiv","id":"1902.04262","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.04262","created_at":"2026-05-17T23:54:12Z"},{"alias_kind":"arxiv_version","alias_value":"1902.04262v1","created_at":"2026-05-17T23:54:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.04262","created_at":"2026-05-17T23:54:12Z"},{"alias_kind":"pith_short_12","alias_value":"N37RHO7EQDZF","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_16","alias_value":"N37RHO7EQDZFCKGK","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_8","alias_value":"N37RHO7E","created_at":"2026-05-18T12:33:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:N37RHO7EQDZFCKGK24NZYEBNTV","target":"record","payload":{"canonical_record":{"source":{"id":"1902.04262","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2019-02-12T07:22:17Z","cross_cats_sorted":["cs.HC"],"title_canon_sha256":"fa1c7405fb0d13a20feaba37a0469cc57a44c77341b50466ca6aceb4acd439fe","abstract_canon_sha256":"805263b464ef69b871bb7ec4c1c12a664a625bd68d00b02a11d010b9281abb8b"},"schema_version":"1.0"},"canonical_sha256":"6eff13bbe480f25128cad71b9c102d9d4c3f4903a747bb9c252db5588646f57c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:54:12.719552Z","signature_b64":"jwvFqMppmk1TVV6WtUwDLH0BW+4TDoNEO25H6U7tXadkPk7LSQeCtNm0720u9cCMZ+1q/l7utXddeAYpiU1GBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6eff13bbe480f25128cad71b9c102d9d4c3f4903a747bb9c252db5588646f57c","last_reissued_at":"2026-05-17T23:54:12.718802Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:54:12.718802Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1902.04262","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":"2026-05-17T23:54:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YrxgfT0vBfdPAy9zfodsmEY4vGht05VNzAV8C02UYA1GKwartIvTdlcQZkCBWrZ9RN7FYOkQAD4wCOZSLxfgBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T20:36:16.898328Z"},"content_sha256":"d392431e5b11601fcf6ebf15baadafcb4b3fee30312bd8c24be3f2117f54f995","schema_version":"1.0","event_id":"sha256:d392431e5b11601fcf6ebf15baadafcb4b3fee30312bd8c24be3f2117f54f995"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:N37RHO7EQDZFCKGK24NZYEBNTV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Reading Protocol: Understanding what has been Read in Interactive Information Retrieval Tasks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.HC"],"primary_cat":"cs.IR","authors_text":"Chirag Shah, Dagmar Kern, Daniel Hienert, Matthew Mitsui, Nicholas J. Belkin","submitted_at":"2019-02-12T07:22:17Z","abstract_excerpt":"In Interactive Information Retrieval (IIR) experiments the user's gaze motion on web pages is often recorded with eye tracking. The data is used to analyze gaze behavior or to identify Areas of Interest (AOI) the user has looked at. So far, tools for analyzing eye tracking data have certain limitations in supporting the analysis of gaze behavior in IIR experiments. Experiments often consist of a huge number of different visited web pages. In existing analysis tools the data can only be analyzed in videos or images and AOIs for every single web page have to be specified by hand, in a very time "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.04262","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":"2026-05-17T23:54:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jWprKyE0NDhJsklYdE3MhQtp7L4QcH1aKp/naMPTva5cOzZXs98eng6KJv3xO8MJYMCErpAHci35nDFvk2/TCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T20:36:16.898687Z"},"content_sha256":"c6f5f35dd8791c0077508d615d7fcfc25ef65911ca78d6dddb6ca66b30c0865c","schema_version":"1.0","event_id":"sha256:c6f5f35dd8791c0077508d615d7fcfc25ef65911ca78d6dddb6ca66b30c0865c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/N37RHO7EQDZFCKGK24NZYEBNTV/bundle.json","state_url":"https://pith.science/pith/N37RHO7EQDZFCKGK24NZYEBNTV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/N37RHO7EQDZFCKGK24NZYEBNTV/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":"2026-06-04T20:36:16Z","links":{"resolver":"https://pith.science/pith/N37RHO7EQDZFCKGK24NZYEBNTV","bundle":"https://pith.science/pith/N37RHO7EQDZFCKGK24NZYEBNTV/bundle.json","state":"https://pith.science/pith/N37RHO7EQDZFCKGK24NZYEBNTV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/N37RHO7EQDZFCKGK24NZYEBNTV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:N37RHO7EQDZFCKGK24NZYEBNTV","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":"805263b464ef69b871bb7ec4c1c12a664a625bd68d00b02a11d010b9281abb8b","cross_cats_sorted":["cs.HC"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2019-02-12T07:22:17Z","title_canon_sha256":"fa1c7405fb0d13a20feaba37a0469cc57a44c77341b50466ca6aceb4acd439fe"},"schema_version":"1.0","source":{"id":"1902.04262","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.04262","created_at":"2026-05-17T23:54:12Z"},{"alias_kind":"arxiv_version","alias_value":"1902.04262v1","created_at":"2026-05-17T23:54:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.04262","created_at":"2026-05-17T23:54:12Z"},{"alias_kind":"pith_short_12","alias_value":"N37RHO7EQDZF","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_16","alias_value":"N37RHO7EQDZFCKGK","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_8","alias_value":"N37RHO7E","created_at":"2026-05-18T12:33:24Z"}],"graph_snapshots":[{"event_id":"sha256:c6f5f35dd8791c0077508d615d7fcfc25ef65911ca78d6dddb6ca66b30c0865c","target":"graph","created_at":"2026-05-17T23:54:12Z","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":"In Interactive Information Retrieval (IIR) experiments the user's gaze motion on web pages is often recorded with eye tracking. The data is used to analyze gaze behavior or to identify Areas of Interest (AOI) the user has looked at. So far, tools for analyzing eye tracking data have certain limitations in supporting the analysis of gaze behavior in IIR experiments. Experiments often consist of a huge number of different visited web pages. In existing analysis tools the data can only be analyzed in videos or images and AOIs for every single web page have to be specified by hand, in a very time ","authors_text":"Chirag Shah, Dagmar Kern, Daniel Hienert, Matthew Mitsui, Nicholas J. Belkin","cross_cats":["cs.HC"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2019-02-12T07:22:17Z","title":"Reading Protocol: Understanding what has been Read in Interactive Information Retrieval Tasks"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.04262","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:d392431e5b11601fcf6ebf15baadafcb4b3fee30312bd8c24be3f2117f54f995","target":"record","created_at":"2026-05-17T23:54:12Z","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":"805263b464ef69b871bb7ec4c1c12a664a625bd68d00b02a11d010b9281abb8b","cross_cats_sorted":["cs.HC"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2019-02-12T07:22:17Z","title_canon_sha256":"fa1c7405fb0d13a20feaba37a0469cc57a44c77341b50466ca6aceb4acd439fe"},"schema_version":"1.0","source":{"id":"1902.04262","kind":"arxiv","version":1}},"canonical_sha256":"6eff13bbe480f25128cad71b9c102d9d4c3f4903a747bb9c252db5588646f57c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6eff13bbe480f25128cad71b9c102d9d4c3f4903a747bb9c252db5588646f57c","first_computed_at":"2026-05-17T23:54:12.718802Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:54:12.718802Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jwvFqMppmk1TVV6WtUwDLH0BW+4TDoNEO25H6U7tXadkPk7LSQeCtNm0720u9cCMZ+1q/l7utXddeAYpiU1GBg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:54:12.719552Z","signed_message":"canonical_sha256_bytes"},"source_id":"1902.04262","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d392431e5b11601fcf6ebf15baadafcb4b3fee30312bd8c24be3f2117f54f995","sha256:c6f5f35dd8791c0077508d615d7fcfc25ef65911ca78d6dddb6ca66b30c0865c"],"state_sha256":"73a6bf2426d33b35b209c09b2274640c24d8d578ccd83d4123e98aa7d182e8a3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"u1ALuAOpyQM1Zx0I54HZNfBLpmRGjMzDMoqMtoIok/G69x4CAH5OibQSc/IGFjoNKdHzhGfaJO5MNL8JpE+SCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T20:36:16.900631Z","bundle_sha256":"7181697ebb8ec373496358c36a107a63db400f817dda9baf3da0a6355466eb65"}}