Ocean
type: MusicGroup
genre: big beat
description: The ocean is the body of salt water that covers approximately 70.8% of Earth. The ocean is conventionally divided into large bodies of water, which are also referred to as oceans (in descending order
popularity: 3
followers: 344
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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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  date published: 2026-06-21T07:29:20Z
album: Oceán pod pyramidou snů / Oceán v Řecku (Live)
  type: MusicAlbum
  date published: 2012-03-09
album: Imagination
  type: MusicAlbum
  date published: 2020-07-15
album: I
  type: MusicAlbum
  date published: 2020-09-14
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  type: MusicAlbum
  date published: 2020-10-15
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  type: MusicAlbum
  date published: 2021-05-27
album: 이래도 되나
  type: MusicAlbum
  date published: 2021-06-28
album: 속초바다에서
  type: MusicAlbum
  date published: 2021-08-25
album: 자기야 언제든 날 떠나도 돼
  type: MusicAlbum
  date published: 2021-09-28
album: 사라질거라면서
  type: MusicAlbum
  date published: 2021-11-04
album: Just Love Me
  type: MusicAlbum
  date published: 2022-04-05
album: Oh ho
  type: MusicAlbum
  date published: 2022-06-21
album: To Loved One
  type: MusicAlbum
  date published: 2022-09-24
track: Ráchel
track: Dávná zem
track: Prázdná ulice
track: Naděje

Ráchel
type: MusicRecording
duration: PT6M8S
duration ms: 368000
explicit: false
by artist: Oceán
by artist: Ocean
in album: 2 a 3/4
  type: MusicAlbum
  date published: 2011-11-11
popularity: 18
isrc code: CZA239900262
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additional property: OTSVerifyInstructions
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  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
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T13:32:09Z
audio: Ráchel
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  additional property: Speechiness
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  additional property: Loudness (dB)
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Dávná zem
type: MusicRecording
duration: PT4M28S
duration ms: 268368
explicit: false
by artist: Oceán
by artist: Ocean
in album: Sny zůstanou
  type: MusicAlbum
  date published: 2020-01-24
isrc code: SKA129026601
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T05:09:12Z
audio: Dávná zem
  type: AudioObject
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    value: 5
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Prázdná ulice
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by artist: Oceán
by artist: Ocean
in album: Sny zůstanou
  type: MusicAlbum
  date published: 2020-01-24
isrc code: SKA129133804
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  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
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T15:41:10Z
audio: Prázdná ulice
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Naděje
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in album: Sny zůstanou
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  date published: 2020-01-24
isrc code: SKA129133807
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  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
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  date published: 2026-06-13T13:32:09Z
audio: Naděje
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