{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:JLQXFDAIXGNF7XUIRE3F7JYQXP","short_pith_number":"pith:JLQXFDAI","canonical_record":{"source":{"id":"2507.17270","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.SE","submitted_at":"2025-07-23T07:16:45Z","cross_cats_sorted":[],"title_canon_sha256":"0c5f54d105d37cd1d3012e739522c3a84459c25d003299a9daec406bbc4a5237","abstract_canon_sha256":"3e7ea53704c97b78c3b24c0f28800547d5248c189392647406781becba268217"},"schema_version":"1.0"},"canonical_sha256":"4ae1728c08b99a5fde8889365fa710bbc747a5b1c60a1df23860ead1d257009f","source":{"kind":"arxiv","id":"2507.17270","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.17270","created_at":"2026-07-05T11:42:04Z"},{"alias_kind":"arxiv_version","alias_value":"2507.17270v1","created_at":"2026-07-05T11:42:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.17270","created_at":"2026-07-05T11:42:04Z"},{"alias_kind":"pith_short_12","alias_value":"JLQXFDAIXGNF","created_at":"2026-07-05T11:42:04Z"},{"alias_kind":"pith_short_16","alias_value":"JLQXFDAIXGNF7XUI","created_at":"2026-07-05T11:42:04Z"},{"alias_kind":"pith_short_8","alias_value":"JLQXFDAI","created_at":"2026-07-05T11:42:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:JLQXFDAIXGNF7XUIRE3F7JYQXP","target":"record","payload":{"canonical_record":{"source":{"id":"2507.17270","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.SE","submitted_at":"2025-07-23T07:16:45Z","cross_cats_sorted":[],"title_canon_sha256":"0c5f54d105d37cd1d3012e739522c3a84459c25d003299a9daec406bbc4a5237","abstract_canon_sha256":"3e7ea53704c97b78c3b24c0f28800547d5248c189392647406781becba268217"},"schema_version":"1.0"},"canonical_sha256":"4ae1728c08b99a5fde8889365fa710bbc747a5b1c60a1df23860ead1d257009f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:42:04.930909Z","signature_b64":"BCu+Jgs20ENt3fnfPCIUT9JjBfTNqhST7MtpZBINAjs3dSoskMfyxRHG7IjemENW0P9fqP9WZ0NbDiNUPD4FBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4ae1728c08b99a5fde8889365fa710bbc747a5b1c60a1df23860ead1d257009f","last_reissued_at":"2026-07-05T11:42:04.930359Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:42:04.930359Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2507.17270","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":"2026-07-05T11:42:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"R97Z9q/ncmfK6Yz+RhxsFhiKn8Bg4dVn75qEaYzJ9ZKlb+bQ/ZOF68goO1K4UfciZJlLST6lts1SQQtTe+87Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-12T00:56:41.422799Z"},"content_sha256":"ebd13e355190b8fa4c69bc68def65ee4abbe2726225b28787e6cb74eb47fb22e","schema_version":"1.0","event_id":"sha256:ebd13e355190b8fa4c69bc68def65ee4abbe2726225b28787e6cb74eb47fb22e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:JLQXFDAIXGNF7XUIRE3F7JYQXP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Lessons from a Big-Bang Integration: Challenges in Edge Computing and Machine Learning","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.SE","authors_text":"Alessandro Aneggi, Andrea Janes","submitted_at":"2025-07-23T07:16:45Z","abstract_excerpt":"This experience report analyses a one year project focused on building a distributed real-time analytics system using edge computing and machine learning. The project faced critical setbacks due to a big-bang integration approach, where all components developed by multiple geographically dispersed partners were merged at the final stage. The integration effort resulted in only six minutes of system functionality, far below the expected 40 minutes. Through root cause analysis, the study identifies technical and organisational barriers, including poor communication, lack of early integration tes"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.17270","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/2507.17270/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":"2026-07-05T11:42:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tK+BpSONcm4znfLFWVTfm7NyBvWZ7GdHxKUpncjypYWABWWdqbkzNQdrVI+uSc4Z/PXQXBjEm2BJruZl0xNyAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-12T00:56:41.423801Z"},"content_sha256":"4498677ab39b07839e3348d088445066b55c0835aae611a5de6a9639b37633a8","schema_version":"1.0","event_id":"sha256:4498677ab39b07839e3348d088445066b55c0835aae611a5de6a9639b37633a8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JLQXFDAIXGNF7XUIRE3F7JYQXP/bundle.json","state_url":"https://pith.science/pith/JLQXFDAIXGNF7XUIRE3F7JYQXP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JLQXFDAIXGNF7XUIRE3F7JYQXP/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":"2026-07-12T00:56:41Z","links":{"resolver":"https://pith.science/pith/JLQXFDAIXGNF7XUIRE3F7JYQXP","bundle":"https://pith.science/pith/JLQXFDAIXGNF7XUIRE3F7JYQXP/bundle.json","state":"https://pith.science/pith/JLQXFDAIXGNF7XUIRE3F7JYQXP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JLQXFDAIXGNF7XUIRE3F7JYQXP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:JLQXFDAIXGNF7XUIRE3F7JYQXP","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":"3e7ea53704c97b78c3b24c0f28800547d5248c189392647406781becba268217","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.SE","submitted_at":"2025-07-23T07:16:45Z","title_canon_sha256":"0c5f54d105d37cd1d3012e739522c3a84459c25d003299a9daec406bbc4a5237"},"schema_version":"1.0","source":{"id":"2507.17270","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.17270","created_at":"2026-07-05T11:42:04Z"},{"alias_kind":"arxiv_version","alias_value":"2507.17270v1","created_at":"2026-07-05T11:42:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.17270","created_at":"2026-07-05T11:42:04Z"},{"alias_kind":"pith_short_12","alias_value":"JLQXFDAIXGNF","created_at":"2026-07-05T11:42:04Z"},{"alias_kind":"pith_short_16","alias_value":"JLQXFDAIXGNF7XUI","created_at":"2026-07-05T11:42:04Z"},{"alias_kind":"pith_short_8","alias_value":"JLQXFDAI","created_at":"2026-07-05T11:42:04Z"}],"graph_snapshots":[{"event_id":"sha256:4498677ab39b07839e3348d088445066b55c0835aae611a5de6a9639b37633a8","target":"graph","created_at":"2026-07-05T11:42:04Z","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/2507.17270/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This experience report analyses a one year project focused on building a distributed real-time analytics system using edge computing and machine learning. The project faced critical setbacks due to a big-bang integration approach, where all components developed by multiple geographically dispersed partners were merged at the final stage. The integration effort resulted in only six minutes of system functionality, far below the expected 40 minutes. Through root cause analysis, the study identifies technical and organisational barriers, including poor communication, lack of early integration tes","authors_text":"Alessandro Aneggi, Andrea Janes","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.SE","submitted_at":"2025-07-23T07:16:45Z","title":"Lessons from a Big-Bang Integration: Challenges in Edge Computing and Machine Learning"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.17270","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:ebd13e355190b8fa4c69bc68def65ee4abbe2726225b28787e6cb74eb47fb22e","target":"record","created_at":"2026-07-05T11:42:04Z","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":"3e7ea53704c97b78c3b24c0f28800547d5248c189392647406781becba268217","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.SE","submitted_at":"2025-07-23T07:16:45Z","title_canon_sha256":"0c5f54d105d37cd1d3012e739522c3a84459c25d003299a9daec406bbc4a5237"},"schema_version":"1.0","source":{"id":"2507.17270","kind":"arxiv","version":1}},"canonical_sha256":"4ae1728c08b99a5fde8889365fa710bbc747a5b1c60a1df23860ead1d257009f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4ae1728c08b99a5fde8889365fa710bbc747a5b1c60a1df23860ead1d257009f","first_computed_at":"2026-07-05T11:42:04.930359Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:42:04.930359Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"BCu+Jgs20ENt3fnfPCIUT9JjBfTNqhST7MtpZBINAjs3dSoskMfyxRHG7IjemENW0P9fqP9WZ0NbDiNUPD4FBg==","signature_status":"signed_v1","signed_at":"2026-07-05T11:42:04.930909Z","signed_message":"canonical_sha256_bytes"},"source_id":"2507.17270","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ebd13e355190b8fa4c69bc68def65ee4abbe2726225b28787e6cb74eb47fb22e","sha256:4498677ab39b07839e3348d088445066b55c0835aae611a5de6a9639b37633a8"],"state_sha256":"a2d61d694661855f9f78491d5b4ca41984a02ddb79fb871304450e6232a0e670"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yrnC+o9ilpcPIDpR1sxGnS1K8wWhzVdo8K1ey06awmwRQZt2cdR5r+p72bzY1UuJtoUo7KXDZG1v/gafw55mAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-12T00:56:41.429615Z","bundle_sha256":"addaac62995c625994f73d87866a183bc307c81012295717956e417e100b6c9f"}}