Marvin Spa
type: MusicGroup
popularity: 18
followers: 336
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerifyInstructions
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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: 2026-06-15T04:47:56Z
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album: 50 Músicas Relajantes - La Mejor Selección de Música Relajante Antiestrés para Meditar, Dormir, Estudiar y Lograr la Paz Interior
  type: MusicAlbum
  date published: 2016-07-04
album: Shiatsu Massage - 100 Songs for Wellness Center Background, Swedish & Hands on Massage Techniques
  type: MusicAlbum
  date published: 2017-03-28
album: Serenity Spa Music Relaxation - Ultimate 50 Wellness and Beauty Songs for Spa Massage and Healing Therapy
  type: MusicAlbum
  date published: 2017-04-05
album: Meditation - the World's Best Instrumental Music
  type: MusicAlbum
  date published: 2018-05-01
album: India 2018 New Age - Relaxing World Music with Nature Sounds and Pakhavaj, Sitar, Bansuri, Ocarina, Tabla, Tibetan Bowls, Tanpura
  type: MusicAlbum
  date published: 2018-07-05
album: Meditación Guiada para Dormir - Práctica Trascendental Hablada con Frases para Descansar, Dormir Bien y Sanar
  type: MusicAlbum
  date published: 2018-12-24
  track: Meditación Guiada para Dormir
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    duration: PT19M55S
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    by artist: Marvin Spa
    in album: Meditación Guiada para Dormir - Práctica Trascendental Hablada con Frases para Descansar, Dormir Bien y Sanar
      type: MusicAlbum
      date published: 2018-12-24
    isrc code: ITLU51876912
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      type: PropertyValue
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    additional property: OTSTimestamp
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      value: 2026-07-03T01:01:38Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 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. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-03T01:01:38Z
    audio: Meditación Guiada para Dormir
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 102.409
      additional property: Musical Key
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        value: 7
      additional property: Mode (Major/Minor)
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        value: 0
      additional property: Time Signature
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        value: 4
      additional property: Danceability
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      additional property: Energy
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      additional property: Speechiness
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      additional property: Acousticness
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        value: 0.941
      additional property: Instrumentalness
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      additional property: Liveness
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        value: 0.363
      additional property: Valence (Positivity)
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        value: 0.107
      additional property: Loudness (dB)
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        value: -24.053
      additional property: Key Name
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        value: G
      additional property: Mode Name
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        value: Minor
album: Tropical Island - Relaxing Beach Ambience Sounds
  type: MusicAlbum
  date published: 2019-07-25
album: Beautiful Indonesia
  type: MusicAlbum
  date published: 2020-05-04
album: Spa Care: Ambient New Age Music Mix for Spa Salon, Healing and Cosmetic Treatments
  type: MusicAlbum
  date published: 2021-10-01
album: Ultra Relaxing Music for Zen Spa: Single
  type: MusicAlbum
  date published: 2022-07-08
album: Spa Relaxing Zen Music 2022, Zen for Sleep Balance and Meditation
  type: MusicAlbum
  date published: 2022-07-08
album: Sauna y Masaje: Sonidos de la Naturaleza para Día de Spa Zen
  type: MusicAlbum
  date published: 2022-12-22
album: Relaxing Spa Ambiences: Spa Ambiences for Soothing the Senses and Inspiring Calm
  type: MusicAlbum
  date published: 2023-09-25
album: Retiro Binaural: Ondas De Relajación En El Spa
  type: MusicAlbum
  date published: 2024-05-01
album: Océano De Spa: Olas En Calma Para Relajarse En Los Días De Spa
  type: MusicAlbum
  date published: 2024-05-07
album: Serenidad Del Spa: Relajantes Tonos De Música Acuática
  type: MusicAlbum
  date published: 2024-05-30
album: Renovación De La Relajación: Un Viaje Melódico A La Tranquilidad Del Spa
  type: MusicAlbum
  date published: 2024-06-07
album: Dicha Binaural: Retiro Del Spa
  type: MusicAlbum
  date published: 2024-06-17
album: Retiro De Spa Con Música Ambiental Relajante: Toque
  type: MusicAlbum
  date published: 2024-06-25
album: Tranquilidad Costera: Spa Junto Al Mar Tranquilo
  type: MusicAlbum
  date published: 2024-07-03
album: Ecos De Relajación: Melodías Para El Spa
  type: MusicAlbum
  date published: 2024-07-09
album: Ecos De Masaje: Patrones De Sonido Calmantes
  type: MusicAlbum
  date published: 2024-07-15
album: Sonidos Curativos: Música Relajante Para Spa Y Bienestar
  type: MusicAlbum
  date published: 2024-07-23
album: Ultimate Healing Sounds: Tranquil Spa Music Collection
  type: MusicAlbum
  date published: 2025-03-26