{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:CEZJVGSBK372BRWRUQHEUUOHYM","short_pith_number":"pith:CEZJVGSB","canonical_record":{"source":{"id":"1803.01896","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SE","submitted_at":"2018-03-05T19:40:50Z","cross_cats_sorted":[],"title_canon_sha256":"00125134feb7bed2576f252c54baaa994f9c38810fac21d383a1027898eccf17","abstract_canon_sha256":"435a499d329b531b77c97a0e51832524e040f829eef3e7fbf75506c94060d2ec"},"schema_version":"1.0"},"canonical_sha256":"11329a9a4156ffa0c6d1a40e4a51c7c32730d14f69e28e869d4a5421e1dcd2af","source":{"kind":"arxiv","id":"1803.01896","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1803.01896","created_at":"2026-05-18T00:21:56Z"},{"alias_kind":"arxiv_version","alias_value":"1803.01896v1","created_at":"2026-05-18T00:21:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.01896","created_at":"2026-05-18T00:21:56Z"},{"alias_kind":"pith_short_12","alias_value":"CEZJVGSBK372","created_at":"2026-05-18T12:32:16Z"},{"alias_kind":"pith_short_16","alias_value":"CEZJVGSBK372BRWR","created_at":"2026-05-18T12:32:16Z"},{"alias_kind":"pith_short_8","alias_value":"CEZJVGSB","created_at":"2026-05-18T12:32:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:CEZJVGSBK372BRWRUQHEUUOHYM","target":"record","payload":{"canonical_record":{"source":{"id":"1803.01896","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SE","submitted_at":"2018-03-05T19:40:50Z","cross_cats_sorted":[],"title_canon_sha256":"00125134feb7bed2576f252c54baaa994f9c38810fac21d383a1027898eccf17","abstract_canon_sha256":"435a499d329b531b77c97a0e51832524e040f829eef3e7fbf75506c94060d2ec"},"schema_version":"1.0"},"canonical_sha256":"11329a9a4156ffa0c6d1a40e4a51c7c32730d14f69e28e869d4a5421e1dcd2af","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:21:56.374000Z","signature_b64":"4emBZeirQ83QDiTH45LrIDz5A2oQ/W2ja7nJOEA7y2mbxOWpjb7lylmRj4/mAIWNUbuJspZVEanqagh76SU4Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"11329a9a4156ffa0c6d1a40e4a51c7c32730d14f69e28e869d4a5421e1dcd2af","last_reissued_at":"2026-05-18T00:21:56.373340Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:21:56.373340Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1803.01896","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":"2026-05-18T00:21:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"emSWe3FVBpuzB1n9GPk4hya0oEktQfk64p5c7xEt9OCXcF2wlL6PbIzA11AAEKtsQsr4h7CPOI7hqWFeL/PzCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T11:17:50.099750Z"},"content_sha256":"a79eb0c95684138779f80145ed662cd8d47232c942bb0d18bd4c51f9eeb600b8","schema_version":"1.0","event_id":"sha256:a79eb0c95684138779f80145ed662cd8d47232c942bb0d18bd4c51f9eeb600b8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:CEZJVGSBK372BRWRUQHEUUOHYM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"SACRE: Supporting contextual requirements' adaptation in modern self-adaptive systems in the presence of uncertainty at runtime","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.SE","authors_text":"Alessia Knauss, Daniela Damian, Edith Zavala, Jordi Marco, Xavier Franch","submitted_at":"2018-03-05T19:40:50Z","abstract_excerpt":"Runtime uncertainty such as unpredictable resource unavailability, changing environmental conditions and user needs, as well as system intrusions or faults represents one of the main current challenges of self-adaptive systems. Moreover, today's systems are increasingly more complex, distributed, decentralized, etc. and therefore have to reason about and cope with more and more unpredictable events. Approaches to deal with such changing requirements in complex today's systems are still missing. This work presents SACRE (Smart Adaptation through Contextual REquirements), our approach leveraging"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.01896","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":"2026-05-18T00:21:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SlN++tGLvF8zM9crlroq2HtbHkR8WvBBYqQMn2SdvVsTMQdM5YZSwp4HGTM4mAkK76FGpvNEMsH50ehId1YcDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T11:17:50.100422Z"},"content_sha256":"ac3a38557a0e962195ce4ebeeb3623e0fc18c72eba0ec151e200ac834cf89db1","schema_version":"1.0","event_id":"sha256:ac3a38557a0e962195ce4ebeeb3623e0fc18c72eba0ec151e200ac834cf89db1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CEZJVGSBK372BRWRUQHEUUOHYM/bundle.json","state_url":"https://pith.science/pith/CEZJVGSBK372BRWRUQHEUUOHYM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CEZJVGSBK372BRWRUQHEUUOHYM/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":"2026-05-30T11:17:50Z","links":{"resolver":"https://pith.science/pith/CEZJVGSBK372BRWRUQHEUUOHYM","bundle":"https://pith.science/pith/CEZJVGSBK372BRWRUQHEUUOHYM/bundle.json","state":"https://pith.science/pith/CEZJVGSBK372BRWRUQHEUUOHYM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CEZJVGSBK372BRWRUQHEUUOHYM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:CEZJVGSBK372BRWRUQHEUUOHYM","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":"435a499d329b531b77c97a0e51832524e040f829eef3e7fbf75506c94060d2ec","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SE","submitted_at":"2018-03-05T19:40:50Z","title_canon_sha256":"00125134feb7bed2576f252c54baaa994f9c38810fac21d383a1027898eccf17"},"schema_version":"1.0","source":{"id":"1803.01896","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1803.01896","created_at":"2026-05-18T00:21:56Z"},{"alias_kind":"arxiv_version","alias_value":"1803.01896v1","created_at":"2026-05-18T00:21:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.01896","created_at":"2026-05-18T00:21:56Z"},{"alias_kind":"pith_short_12","alias_value":"CEZJVGSBK372","created_at":"2026-05-18T12:32:16Z"},{"alias_kind":"pith_short_16","alias_value":"CEZJVGSBK372BRWR","created_at":"2026-05-18T12:32:16Z"},{"alias_kind":"pith_short_8","alias_value":"CEZJVGSB","created_at":"2026-05-18T12:32:16Z"}],"graph_snapshots":[{"event_id":"sha256:ac3a38557a0e962195ce4ebeeb3623e0fc18c72eba0ec151e200ac834cf89db1","target":"graph","created_at":"2026-05-18T00:21:56Z","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":"Runtime uncertainty such as unpredictable resource unavailability, changing environmental conditions and user needs, as well as system intrusions or faults represents one of the main current challenges of self-adaptive systems. Moreover, today's systems are increasingly more complex, distributed, decentralized, etc. and therefore have to reason about and cope with more and more unpredictable events. Approaches to deal with such changing requirements in complex today's systems are still missing. This work presents SACRE (Smart Adaptation through Contextual REquirements), our approach leveraging","authors_text":"Alessia Knauss, Daniela Damian, Edith Zavala, Jordi Marco, Xavier Franch","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SE","submitted_at":"2018-03-05T19:40:50Z","title":"SACRE: Supporting contextual requirements' adaptation in modern self-adaptive systems in the presence of uncertainty at runtime"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.01896","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:a79eb0c95684138779f80145ed662cd8d47232c942bb0d18bd4c51f9eeb600b8","target":"record","created_at":"2026-05-18T00:21:56Z","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":"435a499d329b531b77c97a0e51832524e040f829eef3e7fbf75506c94060d2ec","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SE","submitted_at":"2018-03-05T19:40:50Z","title_canon_sha256":"00125134feb7bed2576f252c54baaa994f9c38810fac21d383a1027898eccf17"},"schema_version":"1.0","source":{"id":"1803.01896","kind":"arxiv","version":1}},"canonical_sha256":"11329a9a4156ffa0c6d1a40e4a51c7c32730d14f69e28e869d4a5421e1dcd2af","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"11329a9a4156ffa0c6d1a40e4a51c7c32730d14f69e28e869d4a5421e1dcd2af","first_computed_at":"2026-05-18T00:21:56.373340Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:21:56.373340Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4emBZeirQ83QDiTH45LrIDz5A2oQ/W2ja7nJOEA7y2mbxOWpjb7lylmRj4/mAIWNUbuJspZVEanqagh76SU4Cg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:21:56.374000Z","signed_message":"canonical_sha256_bytes"},"source_id":"1803.01896","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a79eb0c95684138779f80145ed662cd8d47232c942bb0d18bd4c51f9eeb600b8","sha256:ac3a38557a0e962195ce4ebeeb3623e0fc18c72eba0ec151e200ac834cf89db1"],"state_sha256":"764dfe45ff479743e24dc2747240b0d3f8a10349cdf93696edebc3849d52ca20"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QXDtQV47o6Qyc75fY0U7OcDVCqoh3VMBKCMq83sLcJS7R/S4/HDZtwWeDU85obZcT3pESchDBvWLrXGjXQInBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T11:17:50.104203Z","bundle_sha256":"1b1f58d5d46c5a04f9680d3a549421ff497884544e0b5cfbd62f078c0778dc6a"}}