{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:GB2ZNKWNCGV7CGVTRS53QFHNOK","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":"a479d103beafc48fcfe2295848b6a18646a524d342baebec9ba425b07b4627d8","cross_cats_sorted":["cs.DB"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.PL","submitted_at":"2019-04-25T13:31:33Z","title_canon_sha256":"d3940318f878578b5bb374f675272bbc174f1c8586f2c57a9aef01d0090524b8"},"schema_version":"1.0","source":{"id":"1904.11327","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.11327","created_at":"2026-05-17T23:47:45Z"},{"alias_kind":"arxiv_version","alias_value":"1904.11327v1","created_at":"2026-05-17T23:47:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.11327","created_at":"2026-05-17T23:47:45Z"},{"alias_kind":"pith_short_12","alias_value":"GB2ZNKWNCGV7","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_16","alias_value":"GB2ZNKWNCGV7CGVT","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_8","alias_value":"GB2ZNKWN","created_at":"2026-05-18T12:33:18Z"}],"graph_snapshots":[{"event_id":"sha256:a7f7ca49148f4edb139aebc2c5d022ddd1c7c87da7ac0e89023597979614077d","target":"graph","created_at":"2026-05-17T23:47:45Z","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":"In modern application areas for software systems --- like eHealth, the Internet-of-Things, and Edge Computing --- data is encoded in heterogeneous, tree-shaped data-formats, it must be processed in real-time, and it must be ephemeral, i.e., not persist in the system. While it is preferable to use a query language to express complex data-handling logic, their typical execution engine, a database external from the main application, is unfit in scenarios of ephemeral data-handling. A better option is represented by integrated query frameworks, which benefit from existing development support tools","authors_text":"Fabrizio Montesi, Larisa Safina, Saverio Giallorenzo, Stefano Pio Zingaro","cross_cats":["cs.DB"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.PL","submitted_at":"2019-04-25T13:31:33Z","title":"Ephemeral Data Handling in Microservices - Technical Report"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.11327","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":"sha256:42bc90a03110aacb36d1c20ba2c762b428fee56d7fd15d3ca6b57ed55d2bdc40","target":"record","created_at":"2026-05-17T23:47:45Z","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":"a479d103beafc48fcfe2295848b6a18646a524d342baebec9ba425b07b4627d8","cross_cats_sorted":["cs.DB"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.PL","submitted_at":"2019-04-25T13:31:33Z","title_canon_sha256":"d3940318f878578b5bb374f675272bbc174f1c8586f2c57a9aef01d0090524b8"},"schema_version":"1.0","source":{"id":"1904.11327","kind":"arxiv","version":1}},"canonical_sha256":"307596aacd11abf11ab38cbbb814ed72a86aff5cba3ed64f60042f7864f7ee6c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"307596aacd11abf11ab38cbbb814ed72a86aff5cba3ed64f60042f7864f7ee6c","first_computed_at":"2026-05-17T23:47:45.193350Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:47:45.193350Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Eg7xdUgOFXW9aO/BfHJZXyma9JemHW2hTSzKfdg5Av/haF3EnJmIvJGu4UjCEOxpfHGNK37rNo5JxeTzlmoECQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:47:45.193903Z","signed_message":"canonical_sha256_bytes"},"source_id":"1904.11327","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:42bc90a03110aacb36d1c20ba2c762b428fee56d7fd15d3ca6b57ed55d2bdc40","sha256:a7f7ca49148f4edb139aebc2c5d022ddd1c7c87da7ac0e89023597979614077d"],"state_sha256":"4bf4b37c1292de3aa36698f061a09f4d4b824daf59241aa3da0727b22279f8f5"}