{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:YLRYG4DRJDP6NHA3Z2Q254KSOR","short_pith_number":"pith:YLRYG4DR","canonical_record":{"source":{"id":"2608.06856","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.DB","submitted_at":"2026-08-07T06:29:14Z","cross_cats_sorted":[],"title_canon_sha256":"2ee5937529c02f42aef72397719236bd181bbe5021da30e15ae89bd972375467","abstract_canon_sha256":"291adee528d262b7c07dfe6c7fb89f3de50d105cee86580c70578ea7152f22d0"},"schema_version":"1.0"},"canonical_sha256":"c2e383707148dfe69c1bcea1aef1527456853618cdc98f0345b9845443431395","source":{"kind":"arxiv","id":"2608.06856","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2608.06856","created_at":"2026-08-10T01:12:18Z"},{"alias_kind":"arxiv_version","alias_value":"2608.06856v1","created_at":"2026-08-10T01:12:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.06856","created_at":"2026-08-10T01:12:18Z"},{"alias_kind":"pith_short_12","alias_value":"YLRYG4DRJDP6","created_at":"2026-08-10T01:12:18Z"},{"alias_kind":"pith_short_16","alias_value":"YLRYG4DRJDP6NHA3","created_at":"2026-08-10T01:12:18Z"},{"alias_kind":"pith_short_8","alias_value":"YLRYG4DR","created_at":"2026-08-10T01:12:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:YLRYG4DRJDP6NHA3Z2Q254KSOR","target":"record","payload":{"canonical_record":{"source":{"id":"2608.06856","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.DB","submitted_at":"2026-08-07T06:29:14Z","cross_cats_sorted":[],"title_canon_sha256":"2ee5937529c02f42aef72397719236bd181bbe5021da30e15ae89bd972375467","abstract_canon_sha256":"291adee528d262b7c07dfe6c7fb89f3de50d105cee86580c70578ea7152f22d0"},"schema_version":"1.0"},"canonical_sha256":"c2e383707148dfe69c1bcea1aef1527456853618cdc98f0345b9845443431395","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-08-10T01:12:18.480945Z","signature_b64":"HGAopbqRB2wlyLYr0TMELROPwr9YP32O6ZiGGni348SWewp/XGqkm7Q0b0ti6pZXDO8U2PZd7e33VPh3KhoWCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c2e383707148dfe69c1bcea1aef1527456853618cdc98f0345b9845443431395","last_reissued_at":"2026-08-10T01:12:18.478605Z","signature_status":"signed_v1","first_computed_at":"2026-08-10T01:12:18.478605Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2608.06856","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":"2026-08-10T01:12:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EBEIbReq/3b8qU61HPwDzuiT55M3woebKnH1O2Xm6mdONeeeCy6R7xHjxO+0pDSBuJII4fxktqq+I/9/HFRFCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T17:56:16.064607Z"},"content_sha256":"6dddab46e9d655c17a6a7b4fd87fee3e27e3875413f3556f7391031e09795f85","schema_version":"1.0","event_id":"sha256:6dddab46e9d655c17a6a7b4fd87fee3e27e3875413f3556f7391031e09795f85"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:YLRYG4DRJDP6NHA3Z2Q254KSOR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Duration-constrained Interval Joins","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.DB","authors_text":"Daichi Amagata, Naoya Ehara","submitted_at":"2026-08-07T06:29:14Z","abstract_excerpt":"Many databases, including temporal, uncertain, spatial, and trajectory databases, use interval data, and interval joins are among the most frequently used operators. Many studies proposed efficient interval join algorithms, but they do not consider the overlap duration. They return any pairs of intervals, even if they overlap very slightly, e.g., with no essential correlation or relationship. Subsequent applications may suffer from such interval pairs, as they may be noise or unnecessary for the analysis. Furthermore, outputting such pairs also increases join time. To address the above issues,"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.06856","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2608.06856/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-08-10T01:12:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"M0diPhEOJDcbDYni2LB/JRRhAKC2Y1SxLFk7tbyk48qKobbxp8X8UmP4tIMVLnmaZ+JnNv9uT7k9QSfcJ2szAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T17:56:16.065086Z"},"content_sha256":"845320c788b479cd361b6175eaab31ebb1fe7ae44e86fc6e6040221edb2e0759","schema_version":"1.0","event_id":"sha256:845320c788b479cd361b6175eaab31ebb1fe7ae44e86fc6e6040221edb2e0759"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YLRYG4DRJDP6NHA3Z2Q254KSOR/bundle.json","state_url":"https://pith.science/pith/YLRYG4DRJDP6NHA3Z2Q254KSOR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YLRYG4DRJDP6NHA3Z2Q254KSOR/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":"2026-08-14T17:56:16Z","links":{"resolver":"https://pith.science/pith/YLRYG4DRJDP6NHA3Z2Q254KSOR","bundle":"https://pith.science/pith/YLRYG4DRJDP6NHA3Z2Q254KSOR/bundle.json","state":"https://pith.science/pith/YLRYG4DRJDP6NHA3Z2Q254KSOR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YLRYG4DRJDP6NHA3Z2Q254KSOR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:YLRYG4DRJDP6NHA3Z2Q254KSOR","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":"291adee528d262b7c07dfe6c7fb89f3de50d105cee86580c70578ea7152f22d0","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.DB","submitted_at":"2026-08-07T06:29:14Z","title_canon_sha256":"2ee5937529c02f42aef72397719236bd181bbe5021da30e15ae89bd972375467"},"schema_version":"1.0","source":{"id":"2608.06856","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2608.06856","created_at":"2026-08-10T01:12:18Z"},{"alias_kind":"arxiv_version","alias_value":"2608.06856v1","created_at":"2026-08-10T01:12:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.06856","created_at":"2026-08-10T01:12:18Z"},{"alias_kind":"pith_short_12","alias_value":"YLRYG4DRJDP6","created_at":"2026-08-10T01:12:18Z"},{"alias_kind":"pith_short_16","alias_value":"YLRYG4DRJDP6NHA3","created_at":"2026-08-10T01:12:18Z"},{"alias_kind":"pith_short_8","alias_value":"YLRYG4DR","created_at":"2026-08-10T01:12:18Z"}],"graph_snapshots":[{"event_id":"sha256:845320c788b479cd361b6175eaab31ebb1fe7ae44e86fc6e6040221edb2e0759","target":"graph","created_at":"2026-08-10T01:12:18Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2608.06856/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Many databases, including temporal, uncertain, spatial, and trajectory databases, use interval data, and interval joins are among the most frequently used operators. Many studies proposed efficient interval join algorithms, but they do not consider the overlap duration. They return any pairs of intervals, even if they overlap very slightly, e.g., with no essential correlation or relationship. Subsequent applications may suffer from such interval pairs, as they may be noise or unnecessary for the analysis. Furthermore, outputting such pairs also increases join time. To address the above issues,","authors_text":"Daichi Amagata, Naoya Ehara","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.DB","submitted_at":"2026-08-07T06:29:14Z","title":"Duration-constrained Interval Joins"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.06856","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":"sha256:6dddab46e9d655c17a6a7b4fd87fee3e27e3875413f3556f7391031e09795f85","target":"record","created_at":"2026-08-10T01:12:18Z","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":"291adee528d262b7c07dfe6c7fb89f3de50d105cee86580c70578ea7152f22d0","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.DB","submitted_at":"2026-08-07T06:29:14Z","title_canon_sha256":"2ee5937529c02f42aef72397719236bd181bbe5021da30e15ae89bd972375467"},"schema_version":"1.0","source":{"id":"2608.06856","kind":"arxiv","version":1}},"canonical_sha256":"c2e383707148dfe69c1bcea1aef1527456853618cdc98f0345b9845443431395","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c2e383707148dfe69c1bcea1aef1527456853618cdc98f0345b9845443431395","first_computed_at":"2026-08-10T01:12:18.478605Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-08-10T01:12:18.478605Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HGAopbqRB2wlyLYr0TMELROPwr9YP32O6ZiGGni348SWewp/XGqkm7Q0b0ti6pZXDO8U2PZd7e33VPh3KhoWCA==","signature_status":"signed_v1","signed_at":"2026-08-10T01:12:18.480945Z","signed_message":"canonical_sha256_bytes"},"source_id":"2608.06856","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6dddab46e9d655c17a6a7b4fd87fee3e27e3875413f3556f7391031e09795f85","sha256:845320c788b479cd361b6175eaab31ebb1fe7ae44e86fc6e6040221edb2e0759"],"state_sha256":"fafc9e2fbff10be3bfb09e6d02d2cfb9bd7d45b28f654674684b5881ce8fa49b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ako1ejldE6CtruFIGugFWzFioAonJ6+nBlhU3oPa1tyQ2D6GDohCFVg9jwYS5TwVqSL2AWAfH/ZjJS+drzzSDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-14T17:56:16.087399Z","bundle_sha256":"4cd9b3d79eb14426ca0349d998cdab0018455d1083a150d78799b14cf39ec1b0"}}