Okaya
type: MusicGroup
description: Okaya may refer to: Okaya & Co., Ltd., the oldest major Japanese trading company still in existence. Okaya, Nagano, a city in Nagano Prefecture, Japan Okaya Optical, the manufacturer of Lord cameras
popularity: 5
followers: 250
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x45ecbfacd58ae9b7cc72a3774c469bab6f4e696dd0b6348a57679d2871ad9629
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954125
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954125
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7b949b7e-0a53-4748-ac12-1c3186cc8b2b.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7b949b7e-0a53-4748-ac12-1c3186cc8b2b.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/7b949b7e-0a53-4748-ac12-1c3186cc8b2b
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T18:27:28Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45ecbfacd58ae9b7cc72a3774c469bab6f4e696dd0b6348a57679d2871ad9629. Chain 2 (Bitcoin): anchored in block 954125 (2026-06-17T18:27:28Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7b949b7e-0a53-4748-ac12-1c3186cc8b2b.json and https://artists.proofprofile.net/proofs/artist/7b949b7e-0a53-4748-ac12-1c3186cc8b2b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T18:27:28Z
album: Tijd Vliegt
  type: MusicAlbum
  date published: 2022-09-30
album: Tijd Vliegt
  type: MusicAlbum
  date published: 2022-09-30
album: Op Gevoel
  type: MusicAlbum
  date published: 2023-01-06
album: Millionaire
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  date published: 2023-05-11
album: Keuze
  type: MusicAlbum
  date published: 2023-08-25
album: Race Tegen Mezelf
  type: MusicAlbum
  date published: 2024-02-02
album: Niet Voor Niks
  type: MusicAlbum
  date published: 2024-02-23
album: Movie Shit
  type: MusicAlbum
  date published: 2024-03-01
album: Verschil
  type: MusicAlbum
  date published: 2024-04-26
album: Gezegend
  type: MusicAlbum
  date published: 2024-06-28
album: Laatste Bus
  type: MusicAlbum
  date published: 2024-10-25
album: Leven
  type: MusicAlbum
  date published: 2024-11-29
album: Haat Liefde Relatie
  type: MusicAlbum
  date published: 2025-04-18
  track: Haat Liefde Relatie
    type: MusicRecording
    duration: PT2M27S
    duration ms: 147264
    explicit: true
    by artist: Okaya
    in album: Haat Liefde Relatie
      type: MusicAlbum
      date published: 2025-04-18
    isrc code: QZK6N2580195
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-21T05:07:53+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x9909ed1e653cb313404c9eeb83bbcd09910cd97b1a460fcd1ce567ba8ae20b78
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958977
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958977
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6N2580195
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-21T06:27:23Z
    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
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9909ed1e653cb313404c9eeb83bbcd09910cd97b1a460fcd1ce567ba8ae20b78. Chain 2 (Bitcoin): anchored in block 958977 (2026-07-21T06:27:23Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6N2580195.
      date published: 2026-07-21T06:27:23Z
    audio: Haat Liefde Relatie
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 93.165
      additional property: Musical Key
        type: PropertyValue
        value: 11
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.614
      additional property: Energy
        type: PropertyValue
        value: 0.59
      additional property: Speechiness
        type: PropertyValue
        value: 0.339
      additional property: Acousticness
        type: PropertyValue
        value: 0.123
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.242
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.1
      additional property: Loudness (dB)
        type: PropertyValue
        value: -9.007
      additional property: Key Name
        type: PropertyValue
        value: B
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Geen Geluk
  type: MusicAlbum
  date published: 2025-05-16
album: Omhoog
  type: MusicAlbum
  date published: 2025-06-13
album: Kwestie Van Tijd
  type: MusicAlbum
  date published: 2025-10-24