{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:JLOEIZ3BIL2G5BDRSH7HMTR637","short_pith_number":"pith:JLOEIZ3B","canonical_record":{"source":{"id":"1809.02407","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2018-09-07T11:26:33Z","cross_cats_sorted":[],"title_canon_sha256":"7d33758729a05e847961a9ca58aefb8667a559e0a93850c465956e73ac97674e","abstract_canon_sha256":"6c1b48bcf16e80537a341609ccf482742cfb4eee95921a8a426931ed5c8e2a64"},"schema_version":"1.0"},"canonical_sha256":"4adc44676142f46e847191fe764e3edfccc13a13ec81250ad5726cf1865d05c5","source":{"kind":"arxiv","id":"1809.02407","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1809.02407","created_at":"2026-05-18T00:06:17Z"},{"alias_kind":"arxiv_version","alias_value":"1809.02407v1","created_at":"2026-05-18T00:06:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.02407","created_at":"2026-05-18T00:06:17Z"},{"alias_kind":"pith_short_12","alias_value":"JLOEIZ3BIL2G","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_16","alias_value":"JLOEIZ3BIL2G5BDR","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_8","alias_value":"JLOEIZ3B","created_at":"2026-05-18T12:32:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:JLOEIZ3BIL2G5BDRSH7HMTR637","target":"record","payload":{"canonical_record":{"source":{"id":"1809.02407","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2018-09-07T11:26:33Z","cross_cats_sorted":[],"title_canon_sha256":"7d33758729a05e847961a9ca58aefb8667a559e0a93850c465956e73ac97674e","abstract_canon_sha256":"6c1b48bcf16e80537a341609ccf482742cfb4eee95921a8a426931ed5c8e2a64"},"schema_version":"1.0"},"canonical_sha256":"4adc44676142f46e847191fe764e3edfccc13a13ec81250ad5726cf1865d05c5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:06:17.213399Z","signature_b64":"qZ/3rOLSTnWMyS4NAUQl5/Bs136CPXxGja7tesnXR1vP78Ljoa8OuChaiTBxjb1bC32Yt092Qn8u3VUqaD+LAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4adc44676142f46e847191fe764e3edfccc13a13ec81250ad5726cf1865d05c5","last_reissued_at":"2026-05-18T00:06:17.212799Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:06:17.212799Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1809.02407","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":"2026-05-18T00:06:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"78M9w4WS3ZhZkZwWoas/QXZZFvnaiCRaS28A4oODArycOr+/k05oB/RST/A+sELy6RCL98BsvrCMZ9OkCKj6AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T12:12:31.763937Z"},"content_sha256":"35c84c4b68cc6bc74c3f5bd110b28637b9a826c5f89a61a048be6629ee89679a","schema_version":"1.0","event_id":"sha256:35c84c4b68cc6bc74c3f5bd110b28637b9a826c5f89a61a048be6629ee89679a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:JLOEIZ3BIL2G5BDRSH7HMTR637","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Where Do All These Search Terms Come From? - Two Experiments in Domain-Specific Search","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.IR","authors_text":"Daniel Hienert, Maria Lusky","submitted_at":"2018-09-07T11:26:33Z","abstract_excerpt":"Within a search session users often apply different search terms, as well as different variations and combinations of them. This way, they want to make sure that they find relevant information for different stages and aspects of their information task. Research questions which arise from this search ap- proach are: Where do users get all the ideas, hints and suggestions for new search terms or their variations from? How many ideas come from the user? How many from outside the IR system? What is the role of the used search sys- tem? To investigate these questions we used data from two experimen"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.02407","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":"2026-05-18T00:06:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5HbkMtlb1hFe9IWq8Zc0O74Os9Htlo8JwJqqUOyvaVNcvbdBuc7rkUzTRYrbFy2iOnM65dHx+o1g4q1tLA4UAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T12:12:31.764281Z"},"content_sha256":"b0e465396a997e032aa82098c01a96e8c40d1f8e9228ff4bba6c960c2ce44025","schema_version":"1.0","event_id":"sha256:b0e465396a997e032aa82098c01a96e8c40d1f8e9228ff4bba6c960c2ce44025"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JLOEIZ3BIL2G5BDRSH7HMTR637/bundle.json","state_url":"https://pith.science/pith/JLOEIZ3BIL2G5BDRSH7HMTR637/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JLOEIZ3BIL2G5BDRSH7HMTR637/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":"2026-06-04T12:12:31Z","links":{"resolver":"https://pith.science/pith/JLOEIZ3BIL2G5BDRSH7HMTR637","bundle":"https://pith.science/pith/JLOEIZ3BIL2G5BDRSH7HMTR637/bundle.json","state":"https://pith.science/pith/JLOEIZ3BIL2G5BDRSH7HMTR637/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JLOEIZ3BIL2G5BDRSH7HMTR637/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:JLOEIZ3BIL2G5BDRSH7HMTR637","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":"6c1b48bcf16e80537a341609ccf482742cfb4eee95921a8a426931ed5c8e2a64","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2018-09-07T11:26:33Z","title_canon_sha256":"7d33758729a05e847961a9ca58aefb8667a559e0a93850c465956e73ac97674e"},"schema_version":"1.0","source":{"id":"1809.02407","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1809.02407","created_at":"2026-05-18T00:06:17Z"},{"alias_kind":"arxiv_version","alias_value":"1809.02407v1","created_at":"2026-05-18T00:06:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.02407","created_at":"2026-05-18T00:06:17Z"},{"alias_kind":"pith_short_12","alias_value":"JLOEIZ3BIL2G","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_16","alias_value":"JLOEIZ3BIL2G5BDR","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_8","alias_value":"JLOEIZ3B","created_at":"2026-05-18T12:32:31Z"}],"graph_snapshots":[{"event_id":"sha256:b0e465396a997e032aa82098c01a96e8c40d1f8e9228ff4bba6c960c2ce44025","target":"graph","created_at":"2026-05-18T00:06:17Z","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":"Within a search session users often apply different search terms, as well as different variations and combinations of them. This way, they want to make sure that they find relevant information for different stages and aspects of their information task. Research questions which arise from this search ap- proach are: Where do users get all the ideas, hints and suggestions for new search terms or their variations from? How many ideas come from the user? How many from outside the IR system? What is the role of the used search sys- tem? To investigate these questions we used data from two experimen","authors_text":"Daniel Hienert, Maria Lusky","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2018-09-07T11:26:33Z","title":"Where Do All These Search Terms Come From? - Two Experiments in Domain-Specific Search"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.02407","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":"sha256:35c84c4b68cc6bc74c3f5bd110b28637b9a826c5f89a61a048be6629ee89679a","target":"record","created_at":"2026-05-18T00:06:17Z","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":"6c1b48bcf16e80537a341609ccf482742cfb4eee95921a8a426931ed5c8e2a64","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2018-09-07T11:26:33Z","title_canon_sha256":"7d33758729a05e847961a9ca58aefb8667a559e0a93850c465956e73ac97674e"},"schema_version":"1.0","source":{"id":"1809.02407","kind":"arxiv","version":1}},"canonical_sha256":"4adc44676142f46e847191fe764e3edfccc13a13ec81250ad5726cf1865d05c5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4adc44676142f46e847191fe764e3edfccc13a13ec81250ad5726cf1865d05c5","first_computed_at":"2026-05-18T00:06:17.212799Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:06:17.212799Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qZ/3rOLSTnWMyS4NAUQl5/Bs136CPXxGja7tesnXR1vP78Ljoa8OuChaiTBxjb1bC32Yt092Qn8u3VUqaD+LAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:06:17.213399Z","signed_message":"canonical_sha256_bytes"},"source_id":"1809.02407","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:35c84c4b68cc6bc74c3f5bd110b28637b9a826c5f89a61a048be6629ee89679a","sha256:b0e465396a997e032aa82098c01a96e8c40d1f8e9228ff4bba6c960c2ce44025"],"state_sha256":"54ba25ea4285aa7123ba9976a8e3542a3d3420eb29bcb9e80fe0b506b29f4bdd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7ThATMgAm+DmuPERjPm6NLxaGiF2ccY8x4jR55N2LNKtxw1WtzRrDxngf47abrHXG0TBLVyoGIzzNSAmHEPSBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T12:12:31.766374Z","bundle_sha256":"d400f67e019a66ba9da7d53cfa870cc1d7b4fc2900cee84b8f61948a27c4095f"}}