{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:QOBZK6BH2VBEAD2AKHUJSAOT5T","short_pith_number":"pith:QOBZK6BH","canonical_record":{"source":{"id":"1802.02790","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DL","submitted_at":"2018-02-08T10:31:29Z","cross_cats_sorted":[],"title_canon_sha256":"8960103816715396bded0b654111ec7b82bbb3f055c6cc624b32b060e103c4ae","abstract_canon_sha256":"75bbf70e7a2cd8ac900b24862b531a68b8a1c0dab472639a57183f8e8e6e1907"},"schema_version":"1.0"},"canonical_sha256":"8383957827d542400f4051e89901d3ecc0daaafb93558eb737e234f3041dcc03","source":{"kind":"arxiv","id":"1802.02790","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1802.02790","created_at":"2026-05-18T00:24:03Z"},{"alias_kind":"arxiv_version","alias_value":"1802.02790v1","created_at":"2026-05-18T00:24:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.02790","created_at":"2026-05-18T00:24:03Z"},{"alias_kind":"pith_short_12","alias_value":"QOBZK6BH2VBE","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_16","alias_value":"QOBZK6BH2VBEAD2A","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_8","alias_value":"QOBZK6BH","created_at":"2026-05-18T12:32:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:QOBZK6BH2VBEAD2AKHUJSAOT5T","target":"record","payload":{"canonical_record":{"source":{"id":"1802.02790","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DL","submitted_at":"2018-02-08T10:31:29Z","cross_cats_sorted":[],"title_canon_sha256":"8960103816715396bded0b654111ec7b82bbb3f055c6cc624b32b060e103c4ae","abstract_canon_sha256":"75bbf70e7a2cd8ac900b24862b531a68b8a1c0dab472639a57183f8e8e6e1907"},"schema_version":"1.0"},"canonical_sha256":"8383957827d542400f4051e89901d3ecc0daaafb93558eb737e234f3041dcc03","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:24:03.060246Z","signature_b64":"fvc9Bl3ubO/GBwVhQLUeOqzPmoQW3bbLh3Os6C1NWkMirA8g7+g5BxyIdo1w5T/9M9XnHsYfUFngsTgMZ/k2Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8383957827d542400f4051e89901d3ecc0daaafb93558eb737e234f3041dcc03","last_reissued_at":"2026-05-18T00:24:03.059844Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:24:03.059844Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1802.02790","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":"2026-05-18T00:24:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YHGfkHag6TGERTNFx2VK8Bnrx56KhgwpyY0eQpUxUr3S/TFADQc3JAgDfd4vrQ9J+UtM4FYAmLdkBOoRmEItDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T17:54:58.034115Z"},"content_sha256":"7273d3c07b3631576899594c910c2e16d7868d714f74be8cf67321e9df72b19d","schema_version":"1.0","event_id":"sha256:7273d3c07b3631576899594c910c2e16d7868d714f74be8cf67321e9df72b19d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:QOBZK6BH2VBEAD2AKHUJSAOT5T","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Book reviews in academic journals: patterns and dynamics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.DL","authors_text":"Mengdi Gu, Weishu Liu, Yishan Ding","submitted_at":"2018-02-08T10:31:29Z","abstract_excerpt":"Book reviews play important roles in scholarly communication especially in arts and humanities disciplines. By using Web of Science's Science Citation Index Expanded, Social Sciences Citation Index, and Arts & Humanities Citation Index, this study probed the patterns and dynamics of book reviews within these three indexes empirically during the past decade (2006-2015). We found that the absolute numbers of book reviews among all the three indexes were relatively stable but the relative shares were decreasing. Book reviews were very common in arts and humanities, common in social sciences, but "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.02790","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":"2026-05-18T00:24:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZYyG8CHIThgzx7f/575YenWyaTbUsXZXK6TLD5X8pWcdO5wNaztJF8tR3jwXxuHfkrgp98w8nAFSoMHdos29Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T17:54:58.034818Z"},"content_sha256":"3a22b3349eea688bd8f2acbe1c2a87703d8430c482279c6b58bc7279b03ffda0","schema_version":"1.0","event_id":"sha256:3a22b3349eea688bd8f2acbe1c2a87703d8430c482279c6b58bc7279b03ffda0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QOBZK6BH2VBEAD2AKHUJSAOT5T/bundle.json","state_url":"https://pith.science/pith/QOBZK6BH2VBEAD2AKHUJSAOT5T/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QOBZK6BH2VBEAD2AKHUJSAOT5T/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":"2026-05-28T17:54:58Z","links":{"resolver":"https://pith.science/pith/QOBZK6BH2VBEAD2AKHUJSAOT5T","bundle":"https://pith.science/pith/QOBZK6BH2VBEAD2AKHUJSAOT5T/bundle.json","state":"https://pith.science/pith/QOBZK6BH2VBEAD2AKHUJSAOT5T/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QOBZK6BH2VBEAD2AKHUJSAOT5T/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:QOBZK6BH2VBEAD2AKHUJSAOT5T","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":"75bbf70e7a2cd8ac900b24862b531a68b8a1c0dab472639a57183f8e8e6e1907","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DL","submitted_at":"2018-02-08T10:31:29Z","title_canon_sha256":"8960103816715396bded0b654111ec7b82bbb3f055c6cc624b32b060e103c4ae"},"schema_version":"1.0","source":{"id":"1802.02790","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1802.02790","created_at":"2026-05-18T00:24:03Z"},{"alias_kind":"arxiv_version","alias_value":"1802.02790v1","created_at":"2026-05-18T00:24:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.02790","created_at":"2026-05-18T00:24:03Z"},{"alias_kind":"pith_short_12","alias_value":"QOBZK6BH2VBE","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_16","alias_value":"QOBZK6BH2VBEAD2A","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_8","alias_value":"QOBZK6BH","created_at":"2026-05-18T12:32:46Z"}],"graph_snapshots":[{"event_id":"sha256:3a22b3349eea688bd8f2acbe1c2a87703d8430c482279c6b58bc7279b03ffda0","target":"graph","created_at":"2026-05-18T00:24:03Z","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"},"paper":{"abstract_excerpt":"Book reviews play important roles in scholarly communication especially in arts and humanities disciplines. By using Web of Science's Science Citation Index Expanded, Social Sciences Citation Index, and Arts & Humanities Citation Index, this study probed the patterns and dynamics of book reviews within these three indexes empirically during the past decade (2006-2015). We found that the absolute numbers of book reviews among all the three indexes were relatively stable but the relative shares were decreasing. Book reviews were very common in arts and humanities, common in social sciences, but ","authors_text":"Mengdi Gu, Weishu Liu, Yishan Ding","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DL","submitted_at":"2018-02-08T10:31:29Z","title":"Book reviews in academic journals: patterns and dynamics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.02790","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":"sha256:7273d3c07b3631576899594c910c2e16d7868d714f74be8cf67321e9df72b19d","target":"record","created_at":"2026-05-18T00:24:03Z","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":"75bbf70e7a2cd8ac900b24862b531a68b8a1c0dab472639a57183f8e8e6e1907","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DL","submitted_at":"2018-02-08T10:31:29Z","title_canon_sha256":"8960103816715396bded0b654111ec7b82bbb3f055c6cc624b32b060e103c4ae"},"schema_version":"1.0","source":{"id":"1802.02790","kind":"arxiv","version":1}},"canonical_sha256":"8383957827d542400f4051e89901d3ecc0daaafb93558eb737e234f3041dcc03","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8383957827d542400f4051e89901d3ecc0daaafb93558eb737e234f3041dcc03","first_computed_at":"2026-05-18T00:24:03.059844Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:24:03.059844Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fvc9Bl3ubO/GBwVhQLUeOqzPmoQW3bbLh3Os6C1NWkMirA8g7+g5BxyIdo1w5T/9M9XnHsYfUFngsTgMZ/k2Bw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:24:03.060246Z","signed_message":"canonical_sha256_bytes"},"source_id":"1802.02790","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7273d3c07b3631576899594c910c2e16d7868d714f74be8cf67321e9df72b19d","sha256:3a22b3349eea688bd8f2acbe1c2a87703d8430c482279c6b58bc7279b03ffda0"],"state_sha256":"cb8bca527e5e60b70463da0d210e92d95b37f30fcc88c41af132c59ab441b431"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vnxZ82bHeky98TIqgRcTVXGFZyvyPnYVBNbmmOKRTgCpTendaJ77ma1hbQbFCV4P79/7a2Zv1tL6sOQNyyyZDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T17:54:58.038693Z","bundle_sha256":"7ec40fc8673bdc38647ac9bbd7d5a09b945dab45657204fad9ee977efd51487d"}}