{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:6KIFGFUGC6BR2AM2BNHLUDTKMP","short_pith_number":"pith:6KIFGFUG","canonical_record":{"source":{"id":"1802.07974","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SE","submitted_at":"2018-02-22T10:41:11Z","cross_cats_sorted":[],"title_canon_sha256":"44ea726b5f02c78e20a1349dc54a37bc2a4c9fa61d6e55e36ec44cf41596f9bf","abstract_canon_sha256":"97ed6617e534eee00f62037a0422a59d61fcb3223d4250a7481bb7d0988eaa9f"},"schema_version":"1.0"},"canonical_sha256":"f29053168617831d019a0b4eba0e6a63f82635e83f30b132e745cf57898111bb","source":{"kind":"arxiv","id":"1802.07974","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1802.07974","created_at":"2026-05-18T00:22:48Z"},{"alias_kind":"arxiv_version","alias_value":"1802.07974v1","created_at":"2026-05-18T00:22:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.07974","created_at":"2026-05-18T00:22:48Z"},{"alias_kind":"pith_short_12","alias_value":"6KIFGFUGC6BR","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_16","alias_value":"6KIFGFUGC6BR2AM2","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_8","alias_value":"6KIFGFUG","created_at":"2026-05-18T12:32:08Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:6KIFGFUGC6BR2AM2BNHLUDTKMP","target":"record","payload":{"canonical_record":{"source":{"id":"1802.07974","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SE","submitted_at":"2018-02-22T10:41:11Z","cross_cats_sorted":[],"title_canon_sha256":"44ea726b5f02c78e20a1349dc54a37bc2a4c9fa61d6e55e36ec44cf41596f9bf","abstract_canon_sha256":"97ed6617e534eee00f62037a0422a59d61fcb3223d4250a7481bb7d0988eaa9f"},"schema_version":"1.0"},"canonical_sha256":"f29053168617831d019a0b4eba0e6a63f82635e83f30b132e745cf57898111bb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:22:48.503576Z","signature_b64":"VSE9W9pcJa9lM/iIkLTjbOzVXjszimtZqgNC2O6y9nqnat/2McWalHvbtcMzUikJ6MmcSQmmPbyGAGhwJh1MBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f29053168617831d019a0b4eba0e6a63f82635e83f30b132e745cf57898111bb","last_reissued_at":"2026-05-18T00:22:48.503160Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:22:48.503160Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1802.07974","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":"2026-05-18T00:22:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wMyLTQlmlp/pvqZwQbUouvAsnZt2U9CVzvZHUULohj8f/QnbDNGcMX0OOE+sOijyHp/kdg0r0BQqkk2J4WbeBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T05:12:23.403679Z"},"content_sha256":"dbe79a45dde15b0cd3a4f7c91b06af74f459266f6bff16bc0240090969cecca5","schema_version":"1.0","event_id":"sha256:dbe79a45dde15b0cd3a4f7c91b06af74f459266f6bff16bc0240090969cecca5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:6KIFGFUGC6BR2AM2BNHLUDTKMP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Evolution in complex objects","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.SE","authors_text":"Mourad Oussalah","submitted_at":"2018-02-22T10:41:11Z","abstract_excerpt":"This paper describes work carried out on a model for the evolution of graph classes in complex objects. By defining evolution rules and propagation strategies on graph classes, we aim to define a user-definable means to manage data evolution model which tackles the complex nature of the classes managed, using the concepts defined in object systems. So, depending on their needs and on those of the targeted application, designers can choose the evolution mechanism they consider to suit them best. They can either create new evolutions or reuse predefined ones to respond to a given need."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.07974","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":"2026-05-18T00:22:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Is5ebzOAbm4EcHc/iFP9zKVet7MpBUUgdFKtyp8lCfc0CpyhaUC9wTx5hiG74FKXhCnIHdQx8DBzr0Y02uRTDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T05:12:23.404015Z"},"content_sha256":"eb7451e905c5166df165a0def0d569c7e6616ab428c6fb16552cf0d93204e682","schema_version":"1.0","event_id":"sha256:eb7451e905c5166df165a0def0d569c7e6616ab428c6fb16552cf0d93204e682"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6KIFGFUGC6BR2AM2BNHLUDTKMP/bundle.json","state_url":"https://pith.science/pith/6KIFGFUGC6BR2AM2BNHLUDTKMP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6KIFGFUGC6BR2AM2BNHLUDTKMP/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":"2026-07-05T05:12:23Z","links":{"resolver":"https://pith.science/pith/6KIFGFUGC6BR2AM2BNHLUDTKMP","bundle":"https://pith.science/pith/6KIFGFUGC6BR2AM2BNHLUDTKMP/bundle.json","state":"https://pith.science/pith/6KIFGFUGC6BR2AM2BNHLUDTKMP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6KIFGFUGC6BR2AM2BNHLUDTKMP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:6KIFGFUGC6BR2AM2BNHLUDTKMP","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":"97ed6617e534eee00f62037a0422a59d61fcb3223d4250a7481bb7d0988eaa9f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SE","submitted_at":"2018-02-22T10:41:11Z","title_canon_sha256":"44ea726b5f02c78e20a1349dc54a37bc2a4c9fa61d6e55e36ec44cf41596f9bf"},"schema_version":"1.0","source":{"id":"1802.07974","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1802.07974","created_at":"2026-05-18T00:22:48Z"},{"alias_kind":"arxiv_version","alias_value":"1802.07974v1","created_at":"2026-05-18T00:22:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.07974","created_at":"2026-05-18T00:22:48Z"},{"alias_kind":"pith_short_12","alias_value":"6KIFGFUGC6BR","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_16","alias_value":"6KIFGFUGC6BR2AM2","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_8","alias_value":"6KIFGFUG","created_at":"2026-05-18T12:32:08Z"}],"graph_snapshots":[{"event_id":"sha256:eb7451e905c5166df165a0def0d569c7e6616ab428c6fb16552cf0d93204e682","target":"graph","created_at":"2026-05-18T00:22:48Z","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":"This paper describes work carried out on a model for the evolution of graph classes in complex objects. By defining evolution rules and propagation strategies on graph classes, we aim to define a user-definable means to manage data evolution model which tackles the complex nature of the classes managed, using the concepts defined in object systems. So, depending on their needs and on those of the targeted application, designers can choose the evolution mechanism they consider to suit them best. They can either create new evolutions or reuse predefined ones to respond to a given need.","authors_text":"Mourad Oussalah","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SE","submitted_at":"2018-02-22T10:41:11Z","title":"Evolution in complex objects"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.07974","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:dbe79a45dde15b0cd3a4f7c91b06af74f459266f6bff16bc0240090969cecca5","target":"record","created_at":"2026-05-18T00:22:48Z","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":"97ed6617e534eee00f62037a0422a59d61fcb3223d4250a7481bb7d0988eaa9f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SE","submitted_at":"2018-02-22T10:41:11Z","title_canon_sha256":"44ea726b5f02c78e20a1349dc54a37bc2a4c9fa61d6e55e36ec44cf41596f9bf"},"schema_version":"1.0","source":{"id":"1802.07974","kind":"arxiv","version":1}},"canonical_sha256":"f29053168617831d019a0b4eba0e6a63f82635e83f30b132e745cf57898111bb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f29053168617831d019a0b4eba0e6a63f82635e83f30b132e745cf57898111bb","first_computed_at":"2026-05-18T00:22:48.503160Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:22:48.503160Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"VSE9W9pcJa9lM/iIkLTjbOzVXjszimtZqgNC2O6y9nqnat/2McWalHvbtcMzUikJ6MmcSQmmPbyGAGhwJh1MBA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:22:48.503576Z","signed_message":"canonical_sha256_bytes"},"source_id":"1802.07974","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dbe79a45dde15b0cd3a4f7c91b06af74f459266f6bff16bc0240090969cecca5","sha256:eb7451e905c5166df165a0def0d569c7e6616ab428c6fb16552cf0d93204e682"],"state_sha256":"8b2a4d60059b16bc019f27bc21829a6053080945893efd045dee9b99ce8e1f50"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BhgbQdkgOPt98hAI35F9w+FfEATRaGQlyjTT7H6mdfirrp2eHhSTt+kOj00jMPu1E12Solt0bNzFIt1j9j9fCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T05:12:23.405847Z","bundle_sha256":"a15c8fbe65cef5b8d491749d38ce25a2d16b951d366780c3b9e2034dfb52d399"}}