{"Format":"bh-heads/v1","LogId":"bh1:log:one","Heads":[{"Format":"bh-sth/v1","TreeSize":4,"RootHash":"5681d9bf5e8ad3d25f543ad81eccfe184c388f352f8458c935ab3283a4444066","SignedAt":"2026-08-15T00:00:00.000Z","CoseSign1":"0oRYGqIBJgRVYmgxOmxvZ2tleTpmaXh0dXJlLTAxoFiKYmgtc3RoL3YxCmxvZy1pZAAAAAALYmgxOmxvZzpvbmV0cmVlLXNpemUAAAAACAAAAAAAAAAEcm9vdC1oYXNoAAAAACBWgdm/XorT0l9UOtgezP4YTDiPNS+EWMk1qzKDpERAZnNpZ25lZC1hdAAAAAAYMjAyNi0wOC0xNVQwMDowMDowMC4wMDBaWEAcQDshRAYT61FbxbBmBZZe7wbXqao7cZ9m1yJRjXO7jZ2DrzdPnBdtsnLI1PDIEyA5iu930DoWnZgrZPNU9GZW","KeyId":"bh1:logkey:fixture-01","PublicKeySpki":"MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEzPvacmRfofoOShTnqysuOdxQHkjg2tPXfrs6v5dIYl/1CAwjm9r3Z9AcgBoqoxqYodF2WbUMdq0Xjnfzv5MAZA==","KeyValidFrom":"2026-01-01T00:00:00.000Z","IsValid":true,"Rejection":"","Fingerprint":"d54238042f80b7319c7425ae87696092b65d767ed6327ce67c7386600bf421c8"},{"Format":"bh-sth/v1","TreeSize":7,"RootHash":"c28cda430ae4faa90140a418c4fe78bdba01c9c0274da05f2494b8e1bffc8f06","SignedAt":"2026-08-16T00:00:00.000Z","CoseSign1":"0oRYGqIBJgRVYmgxOmxvZ2tleTpmaXh0dXJlLTAxoFiKYmgtc3RoL3YxCmxvZy1pZAAAAAALYmgxOmxvZzpvbmV0cmVlLXNpemUAAAAACAAAAAAAAAAHcm9vdC1oYXNoAAAAACDCjNpDCuT6qQFApBjE/ni9ugHJwCdNoF8klLjhv/yPBnNpZ25lZC1hdAAAAAAYMjAyNi0wOC0xNlQwMDowMDowMC4wMDBaWEBldHqETdve8/9Ib/rX7uhZfpVtXBLic+k2CWfsF18nRynriCBqS2gLwVF5spFXjqNSHSSwf7pkkG3P2rzWiKjv","KeyId":"bh1:logkey:fixture-01","PublicKeySpki":"MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEzPvacmRfofoOShTnqysuOdxQHkjg2tPXfrs6v5dIYl/1CAwjm9r3Z9AcgBoqoxqYodF2WbUMdq0Xjnfzv5MAZA==","KeyValidFrom":"2026-01-01T00:00:00.000Z","IsValid":true,"Rejection":"","Fingerprint":"1848c78d469323f59325765b4d02843e7700cb1f447ee70165d4c1903fc61338"},{"Format":"bh-sth/v1","TreeSize":9,"RootHash":"9071e64e35f707a781252ccce7a361a27f174fcdb218f2238c7b355bf9fdaed8","SignedAt":"2026-08-17T00:00:00.000Z","CoseSign1":"0oRYGqIBJgRVYmgxOmxvZ2tleTpmaXh0dXJlLTAxoFiKYmgtc3RoL3YxCmxvZy1pZAAAAAALYmgxOmxvZzpvbmV0cmVlLXNpemUAAAAACAAAAAAAAAAJcm9vdC1oYXNoAAAAACCQceZONfcHp4ElLMzno2GifxdPzbIY8iOMezVb+f2u2HNpZ25lZC1hdAAAAAAYMjAyNi0wOC0xN1QwMDowMDowMC4wMDBaWEDpx2uRlT8D5Q5jnoiqjOmfBn+yX+rR0QBdS6olKUg6fbHAl7erl/3G1JnlCfhdaya37W1DnCy/kXgWrc+8vMV/","KeyId":"bh1:logkey:fixture-01","PublicKeySpki":"MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEzPvacmRfofoOShTnqysuOdxQHkjg2tPXfrs6v5dIYl/1CAwjm9r3Z9AcgBoqoxqYodF2WbUMdq0Xjnfzv5MAZA==","KeyValidFrom":"2026-01-01T00:00:00.000Z","IsValid":true,"Rejection":"","Fingerprint":"ccad3c34067d3cfd8e446206d3dc80b3692ea5e0318cf8b35146d7831d49dea9"}],"Steps":[{"FromSize":4,"ToSize":7,"Proof":["79b607d2b2e522e2b863b885b8b144279ba726abad7c6f801d19871deee88571"],"IsPrefix":true},{"FromSize":7,"ToSize":9,"Proof":["d2c5cc3df5b3b005751ccdc3f7f7d92023561c8dbe0e5e7003a5f9f3af96b1d6","45878d03f16275df675360cad16e304ab09401d5ab41bcbf1e11b3be867e3c2b","189ba0a5a13d6dcd6896d103ff87b07673a37021e0bf00d0b78b635572090bfb","5681d9bf5e8ad3d25f543ad81eccfe184c388f352f8458c935ab3283a4444066","d944f8bbe05f180b1d831c13a74c306d5d4752878891754fd4802983ad2433e2"],"IsPrefix":true}],"IsSound":true,"ProvesGrowth":true,"Rejection":"","CheckedAt":"2026-08-20T11:13:59.782Z","WhatThisDoesNotProve":["It does not prove that these are all the heads we ever published. A head we suppressed would leave a chain that still verifies. Only a witness who recorded a head at the time can close that gap.","It does not prove that any particular entry is in the log. That is an inclusion proof, served with each credential.","It does not prove that this key is ours. A key served next to its own signatures establishes consistency, never identity; the fingerprint has to be pinned somewhere we do not control."],"HowToCheck":{"Specification":"/docs/architecture/08-transparency-log.md","IndependentVerifier":"tools/verify-history.mjs","CurrentHead":"/transparency/head.json"}}