{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:BNGHLG63ITBZA5LSNL3KFGNK6E","short_pith_number":"pith:BNGHLG63","canonical_record":{"source":{"id":"1701.04652","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DB","submitted_at":"2017-01-17T12:50:56Z","cross_cats_sorted":[],"title_canon_sha256":"5e6656f2be971a02399172e86e2f0d3d145bf141963c207eed88df2ecf104af5","abstract_canon_sha256":"6ba2dfafe11d37751ba1683238f110c20672462c1de6a6eca5d6a4af96e3cbbd"},"schema_version":"1.0"},"canonical_sha256":"0b4c759bdb44c39075726af6a299aaf10027cabbd1c527bd24344d01156c73ed","source":{"kind":"arxiv","id":"1701.04652","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.04652","created_at":"2026-05-18T00:52:42Z"},{"alias_kind":"arxiv_version","alias_value":"1701.04652v1","created_at":"2026-05-18T00:52:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.04652","created_at":"2026-05-18T00:52:42Z"},{"alias_kind":"pith_short_12","alias_value":"BNGHLG63ITBZ","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_16","alias_value":"BNGHLG63ITBZA5LS","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_8","alias_value":"BNGHLG63","created_at":"2026-05-18T12:31:08Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:BNGHLG63ITBZA5LSNL3KFGNK6E","target":"record","payload":{"canonical_record":{"source":{"id":"1701.04652","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DB","submitted_at":"2017-01-17T12:50:56Z","cross_cats_sorted":[],"title_canon_sha256":"5e6656f2be971a02399172e86e2f0d3d145bf141963c207eed88df2ecf104af5","abstract_canon_sha256":"6ba2dfafe11d37751ba1683238f110c20672462c1de6a6eca5d6a4af96e3cbbd"},"schema_version":"1.0"},"canonical_sha256":"0b4c759bdb44c39075726af6a299aaf10027cabbd1c527bd24344d01156c73ed","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:52:42.995922Z","signature_b64":"Ut2a34uCLYO91rwPzEAMMt5P4gsE448iAhHJPUcVaa7Wdr8FAOkg87X818ptre5EVWuCoWKlOLTq5YrVNXv+Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0b4c759bdb44c39075726af6a299aaf10027cabbd1c527bd24344d01156c73ed","last_reissued_at":"2026-05-18T00:52:42.995290Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:52:42.995290Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1701.04652","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":"2026-05-18T00:52:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QRWc/pxKYYCIa6CH40VsK2Lzr44Bp5XnHma5NKEa8ERktrVUUQJ3AFq7R7J6f8Y7i8sBgo0LOyz3oTp6oWsVCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T06:07:52.412653Z"},"content_sha256":"4affa1a6d2790134a2ddca999ba16cbae5b0a8767fd357bac75c001601783175","schema_version":"1.0","event_id":"sha256:4affa1a6d2790134a2ddca999ba16cbae5b0a8767fd357bac75c001601783175"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:BNGHLG63ITBZA5LSNL3KFGNK6E","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Survey of XML Tree Patterns","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.DB","authors_text":"J\\'er\\^ome Darmont (ERIC), Marouane Hachicha (ERIC)","submitted_at":"2017-01-17T12:50:56Z","abstract_excerpt":"With XML becoming an ubiquitous language for data interoperability purposes in various domains, efficiently querying XML data is a critical issue. This has lead to the design of algebraic frameworks based on tree-shaped patterns akin to the tree-structured data model of XML. Tree patterns are graphic representations of queries over data trees. They are actually matched against an input data tree to answer a query. Since the turn of the twenty-first century, an astounding research effort has been focusing on tree pattern models and matching optimization (a primordial issue). This paper is a com"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.04652","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":"2026-05-18T00:52:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uMO6ECvBIHnOdChk0zONjjIyIED9f9uywz+TcqPSc+D9DYn3k2OgHexAO/LjPkYikh0QqhyjbQfI02yJmjZ3DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T06:07:52.413362Z"},"content_sha256":"00e7ac8f76a117251becdf19a97677ca41c94f4e0e58e8411e2961296f320377","schema_version":"1.0","event_id":"sha256:00e7ac8f76a117251becdf19a97677ca41c94f4e0e58e8411e2961296f320377"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BNGHLG63ITBZA5LSNL3KFGNK6E/bundle.json","state_url":"https://pith.science/pith/BNGHLG63ITBZA5LSNL3KFGNK6E/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BNGHLG63ITBZA5LSNL3KFGNK6E/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":"2026-06-09T06:07:52Z","links":{"resolver":"https://pith.science/pith/BNGHLG63ITBZA5LSNL3KFGNK6E","bundle":"https://pith.science/pith/BNGHLG63ITBZA5LSNL3KFGNK6E/bundle.json","state":"https://pith.science/pith/BNGHLG63ITBZA5LSNL3KFGNK6E/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BNGHLG63ITBZA5LSNL3KFGNK6E/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:BNGHLG63ITBZA5LSNL3KFGNK6E","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":"6ba2dfafe11d37751ba1683238f110c20672462c1de6a6eca5d6a4af96e3cbbd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DB","submitted_at":"2017-01-17T12:50:56Z","title_canon_sha256":"5e6656f2be971a02399172e86e2f0d3d145bf141963c207eed88df2ecf104af5"},"schema_version":"1.0","source":{"id":"1701.04652","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.04652","created_at":"2026-05-18T00:52:42Z"},{"alias_kind":"arxiv_version","alias_value":"1701.04652v1","created_at":"2026-05-18T00:52:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.04652","created_at":"2026-05-18T00:52:42Z"},{"alias_kind":"pith_short_12","alias_value":"BNGHLG63ITBZ","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_16","alias_value":"BNGHLG63ITBZA5LS","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_8","alias_value":"BNGHLG63","created_at":"2026-05-18T12:31:08Z"}],"graph_snapshots":[{"event_id":"sha256:00e7ac8f76a117251becdf19a97677ca41c94f4e0e58e8411e2961296f320377","target":"graph","created_at":"2026-05-18T00:52:42Z","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":"With XML becoming an ubiquitous language for data interoperability purposes in various domains, efficiently querying XML data is a critical issue. This has lead to the design of algebraic frameworks based on tree-shaped patterns akin to the tree-structured data model of XML. Tree patterns are graphic representations of queries over data trees. They are actually matched against an input data tree to answer a query. Since the turn of the twenty-first century, an astounding research effort has been focusing on tree pattern models and matching optimization (a primordial issue). This paper is a com","authors_text":"J\\'er\\^ome Darmont (ERIC), Marouane Hachicha (ERIC)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DB","submitted_at":"2017-01-17T12:50:56Z","title":"A Survey of XML Tree Patterns"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.04652","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":"sha256:4affa1a6d2790134a2ddca999ba16cbae5b0a8767fd357bac75c001601783175","target":"record","created_at":"2026-05-18T00:52:42Z","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":"6ba2dfafe11d37751ba1683238f110c20672462c1de6a6eca5d6a4af96e3cbbd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DB","submitted_at":"2017-01-17T12:50:56Z","title_canon_sha256":"5e6656f2be971a02399172e86e2f0d3d145bf141963c207eed88df2ecf104af5"},"schema_version":"1.0","source":{"id":"1701.04652","kind":"arxiv","version":1}},"canonical_sha256":"0b4c759bdb44c39075726af6a299aaf10027cabbd1c527bd24344d01156c73ed","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0b4c759bdb44c39075726af6a299aaf10027cabbd1c527bd24344d01156c73ed","first_computed_at":"2026-05-18T00:52:42.995290Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:52:42.995290Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Ut2a34uCLYO91rwPzEAMMt5P4gsE448iAhHJPUcVaa7Wdr8FAOkg87X818ptre5EVWuCoWKlOLTq5YrVNXv+Bw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:52:42.995922Z","signed_message":"canonical_sha256_bytes"},"source_id":"1701.04652","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4affa1a6d2790134a2ddca999ba16cbae5b0a8767fd357bac75c001601783175","sha256:00e7ac8f76a117251becdf19a97677ca41c94f4e0e58e8411e2961296f320377"],"state_sha256":"901ff23d83901f31ccf8c27448e55f46858ff65c3b37f4ea423afc2d1bcfe302"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aiCX0+6YIm0AkF9YVs1pwUFPBJTR8sT4xqLo6sC5i2/wLHPmWFtoU5yY4p2FPUKCzLcL2OkOxKZIaHEejedhBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T06:07:52.417243Z","bundle_sha256":"d8621d2490b5c969ca096f3e55dd7e4669ea9adb44ba8222cb508059c336e631"}}