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      "authority_program_revision_digest": null,
      "assertions": [
        {
          "path": "/title",
          "polarity": "supports",
          "proof_kind": "editorial",
          "derivation_rule": null,
          "locators": [
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              "kind": "utf8-range",
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      "polarity": "supports",
      "binding_method": "sourcey-reviewed-exact-path",
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    "event_id": "sha256:589b09541d466cf9d78eed0691f7d7963e4a46b42bed748b67e3450a547b6f15",
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      "key_id": "key_sourcey_evidence_2026_01",
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      "signature": "HvEUUwvlXOzGK40Z3DbmaEqbBJgf1UCzALhrpLM9Rcr8ndMR1R+s9u4tuuQP/tEkmDcXmMKjz8VHgcfOSG0WAw=="
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}