{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:F4XJRXKISHW4QL54KRXOAOTMWB","short_pith_number":"pith:F4XJRXKI","canonical_record":{"source":{"id":"2606.18878","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.DS","submitted_at":"2026-06-17T09:55:08Z","cross_cats_sorted":["cs.DB","cs.FL"],"title_canon_sha256":"23ecf1499891faa58ef1f7ac36505f2919400a244c8912a80672e8835e0b329d","abstract_canon_sha256":"2e70b8d92900f0c9b22c2d2f6e350604270ea25957a77879ecce28aae17b1b63"},"schema_version":"1.0"},"canonical_sha256":"2f2e98dd4891edc82fbc546ee03a6cb068205694ce121842fc2fa30d6551cd95","source":{"kind":"arxiv","id":"2606.18878","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.18878","created_at":"2026-06-19T16:11:50Z"},{"alias_kind":"arxiv_version","alias_value":"2606.18878v1","created_at":"2026-06-19T16:11:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.18878","created_at":"2026-06-19T16:11:50Z"},{"alias_kind":"pith_short_12","alias_value":"F4XJRXKISHW4","created_at":"2026-06-19T16:11:50Z"},{"alias_kind":"pith_short_16","alias_value":"F4XJRXKISHW4QL54","created_at":"2026-06-19T16:11:50Z"},{"alias_kind":"pith_short_8","alias_value":"F4XJRXKI","created_at":"2026-06-19T16:11:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:F4XJRXKISHW4QL54KRXOAOTMWB","target":"record","payload":{"canonical_record":{"source":{"id":"2606.18878","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.DS","submitted_at":"2026-06-17T09:55:08Z","cross_cats_sorted":["cs.DB","cs.FL"],"title_canon_sha256":"23ecf1499891faa58ef1f7ac36505f2919400a244c8912a80672e8835e0b329d","abstract_canon_sha256":"2e70b8d92900f0c9b22c2d2f6e350604270ea25957a77879ecce28aae17b1b63"},"schema_version":"1.0"},"canonical_sha256":"2f2e98dd4891edc82fbc546ee03a6cb068205694ce121842fc2fa30d6551cd95","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-19T16:11:50.706875Z","signature_b64":"KrZsU/Z4vD4ge2sGjJ3QllazZAd8iEW/XyAiqkg6ivfTXM6D+9PcUyOFrO1XKz38NLlrt9YgvOlGY7fyagk/AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2f2e98dd4891edc82fbc546ee03a6cb068205694ce121842fc2fa30d6551cd95","last_reissued_at":"2026-06-19T16:11:50.706514Z","signature_status":"signed_v1","first_computed_at":"2026-06-19T16:11:50.706514Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.18878","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":"2026-06-19T16:11:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5EMW7dXiTKz8LgkqhTv14SWlc657gGz9Ov3l0zDcsgH/RZ+GFw9mosTetZNEkhFfvmH7S4ntVTeVvLaSL46fDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-21T15:19:17.704837Z"},"content_sha256":"d0b24ed6a22b5c943cd1b800998554cd07e9961bcabbc35c5df6aa2f606703f1","schema_version":"1.0","event_id":"sha256:d0b24ed6a22b5c943cd1b800998554cd07e9961bcabbc35c5df6aa2f606703f1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:F4XJRXKISHW4QL54KRXOAOTMWB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Tractable Gap-Constraint Languages for Complex Event Recognition","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.DB","cs.FL"],"primary_cat":"cs.DS","authors_text":"Antoine Amarilli, Florin Manea, Markus L. Schmid, Tina Ringleb","submitted_at":"2026-06-17T09:55:08Z","abstract_excerpt":"For strings $u, D \\in \\Sigma^*$, a subsequence embedding of $u$ in $D$ is a function $e \\colon \\{1, 2, \\ldots, |u|\\} \\to \\{1, 2, \\ldots, |D|\\}$ with $e(i) < e(i+1)$ for every $i \\in \\{1, 2, \\ldots, |u|-1\\}$ and the $i$-th symbol of $u$ equals the $e(i)$-th symbol of $D$. A gap-constraint for $u$ is a triple $(i, j, L)$ with $1 \\leq i < j \\leq |u|$ and $L$ is a regular language over $\\Sigma$. An embedding $e$ satisfies a gap-constraint $(i, j, L)$ if the factor of $D$ strictly between positions $e(i)$ and $e(j)$ is a word from $L$. We investigate the subsequence matching problem with gap-constr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.18878","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/2606.18878/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":"2026-06-19T16:11:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fgrELDKJzKdjx/XaOmWiX/UBVwNgk9F+AtGVGXheIhGKFnFBSgtQAQyuqPiluPNociqC1YR7Wv3TlpRmkhLnDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-21T15:19:17.705215Z"},"content_sha256":"b11c2656a3353dd90d040deec7d97adc6e8949a6385837cda2316e23957b5413","schema_version":"1.0","event_id":"sha256:b11c2656a3353dd90d040deec7d97adc6e8949a6385837cda2316e23957b5413"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/F4XJRXKISHW4QL54KRXOAOTMWB/bundle.json","state_url":"https://pith.science/pith/F4XJRXKISHW4QL54KRXOAOTMWB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/F4XJRXKISHW4QL54KRXOAOTMWB/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":"2026-06-21T15:19:17Z","links":{"resolver":"https://pith.science/pith/F4XJRXKISHW4QL54KRXOAOTMWB","bundle":"https://pith.science/pith/F4XJRXKISHW4QL54KRXOAOTMWB/bundle.json","state":"https://pith.science/pith/F4XJRXKISHW4QL54KRXOAOTMWB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/F4XJRXKISHW4QL54KRXOAOTMWB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:F4XJRXKISHW4QL54KRXOAOTMWB","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":"2e70b8d92900f0c9b22c2d2f6e350604270ea25957a77879ecce28aae17b1b63","cross_cats_sorted":["cs.DB","cs.FL"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.DS","submitted_at":"2026-06-17T09:55:08Z","title_canon_sha256":"23ecf1499891faa58ef1f7ac36505f2919400a244c8912a80672e8835e0b329d"},"schema_version":"1.0","source":{"id":"2606.18878","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.18878","created_at":"2026-06-19T16:11:50Z"},{"alias_kind":"arxiv_version","alias_value":"2606.18878v1","created_at":"2026-06-19T16:11:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.18878","created_at":"2026-06-19T16:11:50Z"},{"alias_kind":"pith_short_12","alias_value":"F4XJRXKISHW4","created_at":"2026-06-19T16:11:50Z"},{"alias_kind":"pith_short_16","alias_value":"F4XJRXKISHW4QL54","created_at":"2026-06-19T16:11:50Z"},{"alias_kind":"pith_short_8","alias_value":"F4XJRXKI","created_at":"2026-06-19T16:11:50Z"}],"graph_snapshots":[{"event_id":"sha256:b11c2656a3353dd90d040deec7d97adc6e8949a6385837cda2316e23957b5413","target":"graph","created_at":"2026-06-19T16:11:50Z","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/2606.18878/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"For strings $u, D \\in \\Sigma^*$, a subsequence embedding of $u$ in $D$ is a function $e \\colon \\{1, 2, \\ldots, |u|\\} \\to \\{1, 2, \\ldots, |D|\\}$ with $e(i) < e(i+1)$ for every $i \\in \\{1, 2, \\ldots, |u|-1\\}$ and the $i$-th symbol of $u$ equals the $e(i)$-th symbol of $D$. A gap-constraint for $u$ is a triple $(i, j, L)$ with $1 \\leq i < j \\leq |u|$ and $L$ is a regular language over $\\Sigma$. An embedding $e$ satisfies a gap-constraint $(i, j, L)$ if the factor of $D$ strictly between positions $e(i)$ and $e(j)$ is a word from $L$. We investigate the subsequence matching problem with gap-constr","authors_text":"Antoine Amarilli, Florin Manea, Markus L. Schmid, Tina Ringleb","cross_cats":["cs.DB","cs.FL"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.DS","submitted_at":"2026-06-17T09:55:08Z","title":"Tractable Gap-Constraint Languages for Complex Event Recognition"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.18878","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:d0b24ed6a22b5c943cd1b800998554cd07e9961bcabbc35c5df6aa2f606703f1","target":"record","created_at":"2026-06-19T16:11:50Z","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":"2e70b8d92900f0c9b22c2d2f6e350604270ea25957a77879ecce28aae17b1b63","cross_cats_sorted":["cs.DB","cs.FL"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.DS","submitted_at":"2026-06-17T09:55:08Z","title_canon_sha256":"23ecf1499891faa58ef1f7ac36505f2919400a244c8912a80672e8835e0b329d"},"schema_version":"1.0","source":{"id":"2606.18878","kind":"arxiv","version":1}},"canonical_sha256":"2f2e98dd4891edc82fbc546ee03a6cb068205694ce121842fc2fa30d6551cd95","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2f2e98dd4891edc82fbc546ee03a6cb068205694ce121842fc2fa30d6551cd95","first_computed_at":"2026-06-19T16:11:50.706514Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-19T16:11:50.706514Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KrZsU/Z4vD4ge2sGjJ3QllazZAd8iEW/XyAiqkg6ivfTXM6D+9PcUyOFrO1XKz38NLlrt9YgvOlGY7fyagk/AQ==","signature_status":"signed_v1","signed_at":"2026-06-19T16:11:50.706875Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.18878","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d0b24ed6a22b5c943cd1b800998554cd07e9961bcabbc35c5df6aa2f606703f1","sha256:b11c2656a3353dd90d040deec7d97adc6e8949a6385837cda2316e23957b5413"],"state_sha256":"32aebfebb6cbb9e62f5b07e03ad718a01efe6ed40879dffa1c2bab46e7b9c785"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"t9Dl+AuidMHnhJlX1MLYPqzSIWP9MXtjZ//24dNcQQwP6yrXXtWbMhFJbaZgX4HImAohTOq2PDS6yPj3oO0bDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-21T15:19:17.707324Z","bundle_sha256":"042aa816c6682957ae7a5d1b3b57e9b471b2140ad0d4d08ed8000c02d46ea8e9"}}