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    "title": "Planck reconstructs the CMB lensing potential and its power spectrum",
    "summary": "The Planck Collaboration reconstructed a noisy sky map of the cosmic microwave background lensing potential from the first 15 months of temperature data and estimated its power spectrum. Combining the relevant angular scales, the authors reported a lensing signal above 25σ and an approximately 4% constraint on the fiducial spectrum amplitude; cross-correlations with other tracers were also measured.",
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    "year": 2013,
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        "description": "The 4% figure refers to a specified amplitude relative to a fiducial spectrum and is not a model-free four-percent measurement of every cosmological parameter. Each lensing-map mode is noise dominated. The main likelihood uses multipoles 40–400; low-multipole consistency failures and a higher-multipole channel discrepancy were reported outside that range.",
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      "statement": "# Planck reconstructs the CMB lensing potential and its power spectrum\n\nThe Planck Collaboration reconstructed a noisy sky map of the cosmic microwave background lensing potential from the first 15 months of temperature data and estimated its power spectrum. Combining the relevant angular scales, the authors reported a lensing signal above 25σ and an approximately 4% constraint on the fiducial spectrum amplitude; cross-correlations with other tracers were also measured.\n\n## Scientific scope\n\nThe 4% figure refers to a specified amplitude relative to a fiducial spectrum and is not a model-free four-percent measurement of every cosmological parameter. Each lensing-map mode is noise dominated. The main likelihood uses multipoles 40–400; low-multipole consistency failures and a higher-multipole channel discrepancy were reported outside that range.\n\n## Reading status\n\nThis is a source-linked WRS catalogue note. A full explanatory guide and independent scientific reconstruction have not been completed for this entry. Read the identified original work for its complete narrative and arguments.\n\n## People and systems\n\n\n\nCredit belongs to the cited collaborations. The individual author list is incomplete; no sole discoverer or individual effort share is inferred.\n\n\n\n## Original sources\n\n- [Planck 2013 results. XVII. Gravitational lensing by large-scale structure](https://arxiv.org/pdf/1303.5077v1)\n",
      "summary": "The Planck Collaboration reconstructed a noisy sky map of the cosmic microwave background lensing potential from the first 15 months of temperature data and estimated its power spectrum. Combining the relevant angular scales, the authors reported a lensing signal above 25σ and an approximately 4% constraint on the fiducial spectrum amplitude; cross-correlations with other tracers were also measured.",
      "title": "Planck reconstructs the CMB lensing potential and its power spectrum"
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    "id": "planck-cmb-lensing-potential-spectrum-2013",
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    "title": "Planck reconstructs the CMB lensing potential and its power spectrum",
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    "what_changed": "The Planck Collaboration reconstructed a noisy sky map of the cosmic microwave background lensing potential from the first 15 months of temperature data and estimated its power spectrum. Combining the relevant angular scales, the authors reported a lensing signal above 25σ and an approximately 4% constraint on the fiducial spectrum amplitude; cross-correlations with other tracers were also measured.",
    "scope": "The Planck Collaboration reconstructed a noisy sky map of the cosmic microwave background lensing potential from the first 15 months of temperature data and estimated its power spectrum. Combining the relevant angular scales, the authors reported a lensing signal above 25σ and an approximately 4% constraint on the fiducial spectrum amplitude; cross-correlations with other tracers were also measured. The 4% figure refers to a specified amplitude relative to a fiducial spectrum and is not a model-free four-percent measurement of every cosmological parameter. Each lensing-map mode is noise dominated. The main likelihood uses multipoles 40–400; low-multipole consistency failures and a higher-multipole channel discrepancy were reported outside that range.",
    "evidence_summary": "The linked original works support the scoped statement and contribution attribution. WRS has not independently replayed experiments or reconstructed a full mathematical proof. The 4% figure refers to a specified amplitude relative to a fiducial spectrum and is not a model-free four-percent measurement of every cosmological parameter. Each lensing-map mode is noise dominated. The main likelihood uses multipoles 40–400; low-multipole consistency failures and a higher-multipole channel discrepancy were reported outside that range.",
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        "title": "Planck 2013 results. XVII. Gravitational lensing by large-scale structure",
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