Productivity Music Essential
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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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-21T07:29:20Z
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album: Focus Zone: Work and Study Productivity Music
  type: MusicAlbum
  date published: 2025-01-24
album: Focus Zone: Work and Study Productivity Music
  type: MusicAlbum
  date published: 2025-01-24
album: Essential Beats for Productive Minds
  type: MusicAlbum
  date published: 2025-01-28
album: Ultimate Concentration: Background Music for Productivity
  type: MusicAlbum
  date published: 2025-01-28
album: Ultimate Concentration: Background Music for Productivity
  type: MusicAlbum
  date published: 2025-01-28
album: Work Mode Activated Study and Focus Anthems
  type: MusicAlbum
  date published: 2025-02-01
album: Work Mode Activated Study and Focus Anthems
  type: MusicAlbum
  date published: 2025-02-01
album: Essentials for Productive Days
  type: MusicAlbum
  date published: 2025-02-01
album: Essentials for Productive Days
  type: MusicAlbum
  date published: 2025-02-01
album: Morning Motivation Beats
  type: MusicAlbum
  date published: 2025-02-06
album: Relax and Refresh Work Beats
  type: MusicAlbum
  date published: 2025-02-09
album: Ultimate Study and Chill Music
  type: MusicAlbum
  date published: 2025-02-12
album: Office Coffee Shop Vibes
  type: MusicAlbum
  date published: 2025-02-15
album: Office Coffee Shop Vibes
  type: MusicAlbum
  date published: 2025-02-15
album: Rainy Productivity Essential Focus Beats
  type: MusicAlbum
  date published: 2025-02-17
album: Rainy Productivity Essential Focus Beats
  type: MusicAlbum
  date published: 2025-02-17
album: Deep Work Focused Rhythms
  type: MusicAlbum
  date published: 2025-02-18
album: Deep Work Focused Rhythms
  type: MusicAlbum
  date published: 2025-02-18
album: Ocean Breeze Productivity: Essential Waves
  type: MusicAlbum
  date published: 2025-02-20
album: Ocean Breeze Productivity: Essential Waves
  type: MusicAlbum
  date published: 2025-02-20
album: The Art of Concentration
  type: MusicAlbum
  date published: 2025-02-21
album: The Art of Concentration
  type: MusicAlbum
  date published: 2025-02-21
album: Fireside Productivity: Bonfire Focus Beats
  type: MusicAlbum
  date published: 2025-02-23
album: Fireside Productivity: Bonfire Focus Beats
  type: MusicAlbum
  date published: 2025-02-23
album: Background Focus Lounge
  type: MusicAlbum
  date published: 2025-02-24
album: Background Focus Lounge
  type: MusicAlbum
  date published: 2025-02-24
album: Study Soundscapes for Productivity
  type: MusicAlbum
  date published: 2025-02-27
album: Productivity Essentials: Music for Focused Work
  type: MusicAlbum
  date published: 2025-03-01
album: Productivity Essentials: Music for Focused Work
  type: MusicAlbum
  date published: 2025-03-01
album: River Rhythms for Focus Essential Flow
  type: MusicAlbum
  date published: 2025-03-01
album: River Rhythms for Focus Essential Flow
  type: MusicAlbum
  date published: 2025-03-01
album: Essential Productivity: Sounds for Creative Work
  type: MusicAlbum
  date published: 2025-03-04
album: Essential Productivity: Sounds for Creative Work
  type: MusicAlbum
  date published: 2025-03-04
album: Workday Energy Music
  type: MusicAlbum
  date published: 2025-03-06
album: Workday Energy Music
  type: MusicAlbum
  date published: 2025-03-06
album: Music for Productivity: Enhance Your Workflow
  type: MusicAlbum
  date published: 2025-03-07
album: Music for Productivity: Enhance Your Workflow
  type: MusicAlbum
  date published: 2025-03-07
album: Productive Days: Energizing Music for Work
  type: MusicAlbum
  date published: 2025-03-10
album: Productive Days: Energizing Music for Work
  type: MusicAlbum
  date published: 2025-03-10
album: Essential Focus: Concentration Tracks for Success
  type: MusicAlbum
  date published: 2025-03-13
album: Essential Focus: Concentration Tracks for Success
  type: MusicAlbum
  date published: 2025-03-13
album: Creative Productivity: Inspiring Work Sounds
  type: MusicAlbum
  date published: 2025-03-16
album: Creative Productivity: Inspiring Work Sounds
  type: MusicAlbum
  date published: 2025-03-16
album: Productivity Boost: Music for Motivation
  type: MusicAlbum
  date published: 2025-03-19
album: Productivity Boost: Music for Motivation
  type: MusicAlbum
  date published: 2025-03-19
album: Work Essentials: Soundtrack for Daily Tasks
  type: MusicAlbum
  date published: 2025-03-22
album: Essential Study: Music for Learning and Growth
  type: MusicAlbum
  date published: 2025-03-25
album: Essential Study: Music for Learning and Growth
  type: MusicAlbum
  date published: 2025-03-25
album: Productivity Playlist: Focused Sounds for Work
  type: MusicAlbum
  date published: 2025-03-28
album: Productivity Playlist: Focused Sounds for Work
  type: MusicAlbum
  date published: 2025-03-28