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  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
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album: Eu Estudando - Playlist para Estudar Melhor
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      date published: 2026-07-05T19:27:56Z
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      date published: 2026-07-17T00:01:01Z
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album: Voz do Mar - Música de Fundo Relaxante
album: Prova Final - 25 Canções para Ajudar na Preparação dos Estudantes para Exames, Ruído Branco
album: Livros e Livros - Jazz Perfeito para sua Livraria, Playlist Exclusiva para Aumentar as Vendas
album: Leitura de Outono: 20 Obras Clássicas para Leitura Outonal
album: Ensino e Concentração: Música Clássica Instrumental para Memorizar Informações
album: Estude com Eficiência: Música para Concentração Profunda de Todas as Partes do Cérebro
album: Música Ambiente para Leitura: Música Relaxante para Ajudar a Mente a não Perder o Foco do Estudo
album: Ler Melhor: Música para Concentrar na Leitura e Ler Bem
album: Música para Bibliotecas: Relaxante Música de Fundo de Piano, Atmosfera Tranquila
album: Volta às Aulas: Música de Piano para que as Crianças Comecem a Estudar com Tranquilidade e Entusiasmo
album: Meditação Budista: Inspiração Profunda e Relaxamento Total

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Estude Juntos: Música Instrumental para Estudar em Grupo para Concursos Públicos, Focar e Memorizar
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Voz do Mar - Música de Fundo Relaxante
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-21T08:39:15Z
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Prova Final - 25 Canções para Ajudar na Preparação dos Estudantes para Exames, Ruído Branco
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date published: 2019-05-17

Livros e Livros - Jazz Perfeito para sua Livraria, Playlist Exclusiva para Aumentar as Vendas
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date published: 2019-07-04

Leitura de Outono: 20 Obras Clássicas para Leitura Outonal
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date published: 2019-10-09

Ensino e Concentração: Música Clássica Instrumental para Memorizar Informações
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Estude com Eficiência: Música para Concentração Profunda de Todas as Partes do Cérebro
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date published: 2020-08-24

Música Ambiente para Leitura: Música Relaxante para Ajudar a Mente a não Perder o Foco do Estudo
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date published: 2021-05-05
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-18T03:34:53Z
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Ler Melhor: Música para Concentrar na Leitura e Ler Bem
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date published: 2021-06-22

Música para Bibliotecas: Relaxante Música de Fundo de Piano, Atmosfera Tranquila
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date published: 2021-07-20

Volta às Aulas: Música de Piano para que as Crianças Comecem a Estudar com Tranquilidade e Entusiasmo
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date published: 2021-09-01

Meditação Budista: Inspiração Profunda e Relaxamento Total
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date published: 2024-03-07