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This reports the retained observation delta and does not infer why the upstream change occurred.", "explanation_scope": "source_observation_delta", "evidence_refs": { "after_observation_id": "obs_2a58971430e1cc2c63b2b0f4", "after_observed_at": "2026-07-17T10:17:28.381918Z", "after_source_path": "repository.stargazerCount", "before_observation_id": "obs_b500a611e4bd7fcf87ee4aa3", "before_observed_at": "2026-07-17T09:45:55.725732Z", "before_source_path": "repository.stargazerCount", "entity_source_url": "https://github.com/langfuse/langfuse", "extractor_version": "github-observer-v2", "field": "stars", "source_url": "https://api.github.com/graphql" }, "tier": "Gold", "risk": "conditional", "verdict": "try_now", "score": 8.7, "entity_kind": "open_source", "verification_stage": "installed_and_tested", "type": "Tool", "section": "AI Observability", "local_ai": false, "local_model_compatible": false, "discovery_topic": "research", "discovery_topic_status": "candidate", "setup_ease": 6.4, "best_for": [ "LLM platform operators", "AI product teams" ], "risk_categories": [], "search_text": "langfuse/langfuse langfuse open_source other research gold conditional try_now llm platform operators ai product teams self-hosted langchain llamaindex openai", "material_mover": false }, { "id": "evt_ac8fa8e77edf44f8ea26", "entity_id": "gh:langfuse/langfuse", "item_url": "/item/langfuse-langfuse/", "title": "langfuse/langfuse", "category": "other", "kind": "version_changed", "occurred_at": "2026-07-17T09:45:55.725732Z", "before": "v3.212.0", "after": "v3.218.0", "explanation": "Version changed: v3.212.0 → v3.218.0.", "explanation_scope": "catalog_snapshot_delta", "evidence_refs": {}, "tier": "Gold", "risk": "conditional", "verdict": "try_now", "score": 8.7, "entity_kind": "open_source", "verification_stage": "installed_and_tested", "type": "Tool", "section": "AI Observability", "local_ai": false, "local_model_compatible": false, "discovery_topic": "research", "discovery_topic_status": "candidate", "setup_ease": 6.4, "best_for": [ "LLM platform operators", "AI product teams" ], "risk_categories": [], "search_text": "langfuse/langfuse langfuse open_source other research gold conditional try_now llm platform operators ai product teams self-hosted langchain llamaindex openai", "material_mover": false }, { "id": "evt_3144dada187cbb55ab55", "entity_id": "gh:langfuse/langfuse", "item_url": "/item/langfuse-langfuse/", "title": "langfuse/langfuse", "category": "other", "kind": "stars_changed", "occurred_at": "2026-07-17T09:45:55.725732Z", "before": 31038, "after": 31324, "explanation": "Stars changed: 31038 → 31324.", "explanation_scope": "catalog_snapshot_delta", "evidence_refs": {}, "tier": "Gold", "risk": "conditional", "verdict": "try_now", "score": 8.7, "entity_kind": "open_source", "verification_stage": "installed_and_tested", "type": "Tool", "section": "AI Observability", "local_ai": false, "local_model_compatible": false, "discovery_topic": "research", "discovery_topic_status": "candidate", "setup_ease": 6.4, "best_for": [ "LLM platform operators", "AI product teams" ], "risk_categories": [], "search_text": "langfuse/langfuse langfuse open_source other research gold conditional try_now llm platform operators ai product teams self-hosted langchain llamaindex openai", "material_mover": false }, { "id": "evt_ec905f5714e0de4e23f4", "entity_id": "gh:langfuse/langfuse", "item_url": "/item/langfuse-langfuse/", "title": "langfuse/langfuse", "category": "other", "kind": "verification_changed", "occurred_at": "2026-07-14T07:05:54.350937Z", "before": "discovered", "after": "installed_and_tested", "explanation": "Verification changed: Discovered → Installed and tested. 1 retained run(s), completed no later than this event, support the published stage.", "explanation_scope": "catalog_snapshot_delta", "evidence_refs": { "after_snapshot_url": "/data/v1/snapshots/2026-07-14.json", "before_snapshot_url": "/data/v1/snapshots/2026-07-13.json", "before_source_build_id": "git-a57439d942f9", "entity_id": "gh:langfuse/langfuse", "latest_supporting_run_completed_at": "2026-07-13T03:22:54.334328Z", "supporting_run_ids": "cohort-20260712-langfuse-import", "supporting_test_log_urls": "/data/v1/test-logs/run-636f686f72742d32303236303731322d6c616e67667573652d696d706f7274.txt" }, "tier": "Gold", "risk": "conditional", "verdict": "try_now", "score": 8.7, "entity_kind": "open_source", "verification_stage": "installed_and_tested", "type": "Tool", "section": "AI Observability", "local_ai": false, "local_model_compatible": false, "discovery_topic": "research", "discovery_topic_status": "candidate", "setup_ease": 6.4, "best_for": [ "LLM platform operators", "AI product teams" ], "risk_categories": [], "search_text": "langfuse/langfuse langfuse open_source other research gold conditional try_now llm platform operators ai product teams", "material_mover": false }, { "id": "evt_ccd3fe947ce3e7e196fb", "entity_id": "gh:langfuse/langfuse", "item_url": "/item/langfuse-langfuse/", "title": "langfuse/langfuse", "category": "other", "kind": "verdict_changed", "occurred_at": "2026-07-09T00:00:00Z", "before": "watch", "after": "try_now", "explanation": "Reconstructed from adjacent retained daily snapshots; no upstream cause is inferred. Verdict changed: watch → try_now.", "explanation_scope": "catalog_snapshot_delta", "evidence_refs": {}, "tier": "Gold", "risk": "conditional", "verdict": "try_now", "score": 8.7, "entity_kind": "open_source", "verification_stage": "installed_and_tested", "type": "Tool", "section": "AI Observability", "local_ai": false, "local_model_compatible": false, "discovery_topic": "research", "discovery_topic_status": "candidate", "setup_ease": 6.4, "best_for": [ "LLM platform operators", "AI product teams" ], "risk_categories": [], "search_text": "langfuse/langfuse langfuse open_source other research gold conditional try_now llm platform operators ai product teams self-hosted langchain llamaindex openai", "material_mover": true }, { "id": "evt_99c8435260f036e052a8", "entity_id": "gh:langfuse/langfuse", "item_url": "/item/langfuse-langfuse/", "title": "langfuse/langfuse", "category": "other", "kind": "score_changed", "occurred_at": "2026-07-09T00:00:00Z", "before": 8.2, "after": 8.7, "explanation": "Reconstructed from adjacent retained daily snapshots; no upstream cause is inferred. Score changed: 8.2 → 8.7. Largest component movements: commercial workflow potential 8.6 → 9.8 (+1.2); maturity 8 → 8.3 (+0.3); setup ease 6.2 → 6.4 (+0.2). These retained scoring-input deltas account for the RepoRadar score movement; this scoring-accounting explanation does not infer an upstream cause.", "explanation_scope": "score_component_accounting", "evidence_refs": { "entity_id": "gh:langfuse/langfuse", "before_snapshot_url": "/data/v1/snapshots/2026-07-08.json", "after_snapshot_url": "/data/v1/snapshots/2026-07-09.json", "before_source_build_id": "git-f7e87b713b8f", "after_source_build_id": "git-e0e4145f09c6" }, "tier": "Gold", "risk": "conditional", "verdict": "try_now", "score": 8.7, "entity_kind": "open_source", "verification_stage": "installed_and_tested", "type": "Tool", "section": "AI Observability", "local_ai": false, "local_model_compatible": false, "discovery_topic": "research", "discovery_topic_status": "candidate", "setup_ease": 6.4, "best_for": [ "LLM platform operators", "AI product teams" ], "risk_categories": [], "search_text": "langfuse/langfuse langfuse open_source other research gold conditional try_now llm platform operators ai product teams self-hosted langchain llamaindex openai", "material_mover": true } ] }