Watasino
type: MusicGroup
popularity: 43
followers: 467
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x742c42ebd30acba39ac6593722be6a5006d4b5764fc0a2c6c7207185c14e94db
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3904792a-c093-4e6f-bc55-255b46cf4c47.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3904792a-c093-4e6f-bc55-255b46cf4c47.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/3904792a-c093-4e6f-bc55-255b46cf4c47
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
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 0x742c42ebd30acba39ac6593722be6a5006d4b5764fc0a2c6c7207185c14e94db. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3904792a-c093-4e6f-bc55-255b46cf4c47.json and https://artists.proofprofile.net/proofs/artist/3904792a-c093-4e6f-bc55-255b46cf4c47.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T21:20:00Z
album: Golden Fruits
  type: MusicAlbum
  date published: 2020-08-17
album: Back And Forth
  type: MusicAlbum
  date published: 2021-02-09
album: Michi
  type: MusicAlbum
  date published: 2021-06-04
album: Sayonara
  type: MusicAlbum
  date published: 2021-07-01
album: Mellow Mood
  type: MusicAlbum
  date published: 2021-10-15
album: Trivial day
  type: MusicAlbum
  date published: 2021-12-12
album: Over and over
  type: MusicAlbum
  date published: 2022-06-24
album: LOST SOULS
  type: MusicAlbum
  date published: 2022-08-05
album: green lemonade
  type: MusicAlbum
  date published: 2022-08-31
album: Dialogue
  type: MusicAlbum
  date published: 2022-10-28
album: Mellow Mood
  type: MusicAlbum
  date published: 2022-12-09
album: TuTu
  type: MusicAlbum
  date published: 2023-01-01
album: GOLDEN FRUITS
  type: MusicAlbum
  date published: 2023-01-13
album: Her in the picture
  type: MusicAlbum
  date published: 2023-02-08
album: Niwa
  type: MusicAlbum
  date published: 2023-03-10
album: Miyako
  type: MusicAlbum
  date published: 2023-04-25
album: The Spring Knows
  type: MusicAlbum
  date published: 2023-05-15
album: Hanafubuki
  type: MusicAlbum
  date published: 2023-06-16
album: Fragile
  type: MusicAlbum
  date published: 2023-07-15
album: Tokyo Night
  type: MusicAlbum
  date published: 2023-08-18
album: Tokyo Night | Mujaki
  type: MusicAlbum
  date published: 2023-09-15
album: Park
  type: MusicAlbum
  date published: 2023-12-23
album: Kanjo Bullet Hell
  type: MusicAlbum
  date published: 2024-02-03
album: Nagisa
  type: MusicAlbum
  date published: 2024-04-19
album: Paper Plane
  type: MusicAlbum
  date published: 2024-06-23
album: The Sun's Rays (Watasino Remix)
  type: MusicAlbum
  date published: 2024-08-05
album: Pray For
  type: MusicAlbum
  date published: 2024-08-09
album: You are not alone
  type: MusicAlbum
  date published: 2024-08-17
album: Over The Horizon
  type: MusicAlbum
  date published: 2024-08-30
album: Dry & Hard
  type: MusicAlbum
  date published: 2024-09-03
album: Diamond Day
  type: MusicAlbum
  date published: 2024-10-30
album: In the Embrace of Sun and Sea
  type: MusicAlbum
  date published: 2024-11-08
album: Kazakami
  type: MusicAlbum
  date published: 2024-12-27
album: Calm Current
  type: MusicAlbum
  date published: 2025-03-26
album: Calm Current
  type: MusicAlbum
  date published: 2025-03-26
  track: Calm Current
    type: MusicRecording
    duration: PT2M57S
    duration ms: 177230
    explicit: false
    by artist: Watasino
    in album: Calm Current
      type: MusicAlbum
      date published: 2025-03-26
    isrc code: TCJPE2556593
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-15T12:57:44+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xda53056d2c3577826275f07a7bc661323770c34c701751a2fd8a24794ecb754d
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958157
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958157
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPE2556593
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-15T15:59:02Z
    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 0xda53056d2c3577826275f07a7bc661323770c34c701751a2fd8a24794ecb754d. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T15:59:02Z), 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/TCJPE2556593.
      date published: 2026-07-15T15:59:02Z
    audio: Calm Current
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 76.841
      additional property: Musical Key
        type: PropertyValue
        value: 5
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 5
      additional property: Danceability
        type: PropertyValue
        value: 0.21
      additional property: Energy
        type: PropertyValue
        value: 0.087
      additional property: Speechiness
        type: PropertyValue
        value: 0.036
      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Petals falling
album: Yūdachi, Kirisame
album: Keep The Window Open
album: The Way Of A Certain Village

Acousticness
type: PropertyValue
value: 0.933

Instrumentalness
type: PropertyValue
value: 0.931

Liveness
type: PropertyValue
value: 0.07

Valence (Positivity)
type: PropertyValue
value: 0.021

Loudness (dB)
type: PropertyValue
value: -24.804

Key Name
type: PropertyValue
value: F

Mode Name
type: PropertyValue
value: Minor

Petals falling
type: MusicAlbum
date published: 2025-04-11

Yūdachi, Kirisame
type: MusicAlbum
date published: 2025-07-18

Yūdachi, Kirisame
type: MusicAlbum
date published: 2025-07-18

Keep The Window Open
type: MusicAlbum
date published: 2025-08-08

The Way Of A Certain Village
type: MusicAlbum
date published: 2025-11-14