ひめもすオーケストラ
type: MusicGroup
popularity: 5
followers: 513
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x95e3bf07b46c9caa056b6531b54c52053603f74ffb20eb472b035b7c7b099dcb
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954667
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954667
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c4491fd7-2bae-4889-b5bf-0a84a40708b1.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c4491fd7-2bae-4889-b5bf-0a84a40708b1.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c4491fd7-2bae-4889-b5bf-0a84a40708b1
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T07:29:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x95e3bf07b46c9caa056b6531b54c52053603f74ffb20eb472b035b7c7b099dcb","name":"ひめもすオーケストラ","registered_at":"2026-06-20T20:35:16Z","symbol":"NIM1705642","token_address":"0x7ddb4c241778c6828f20755c73d412c022e46510","type":"artist","uuid":"c4491fd7-2bae-4889-b5bf-0a84a40708b1"}
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 0x95e3bf07b46c9caa056b6531b54c52053603f74ffb20eb472b035b7c7b099dcb. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c4491fd7-2bae-4889-b5bf-0a84a40708b1.json and https://artists.proofprofile.net/proofs/artist/c4491fd7-2bae-4889-b5bf-0a84a40708b1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T07:29:20Z
  text: {"copyright_id":"0x95e3bf07b46c9caa056b6531b54c52053603f74ffb20eb472b035b7c7b099dcb","name":"ひめもすオーケストラ","registered_at":"2026-06-20T20:35:16Z","symbol":"NIM1705642","token_address":"0x7ddb4c241778c6828f20755c73d412c022e46510","type":"artist","uuid":"c4491fd7-2bae-4889-b5bf-0a84a40708b1"}
album: ひめもすオーケストラ
  type: MusicAlbum
  date published: 2020-04-18
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  type: MusicAlbum
  date published: 2021-04-17
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  type: MusicAlbum
  date published: 2021-06-20
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  type: MusicAlbum
  date published: 2021-10-24
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  type: MusicAlbum
  date published: 2023-03-14
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  type: MusicAlbum
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  type: MusicAlbum
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album: 僕らはいま交差点に立って
  type: MusicAlbum
  date published: 2023-10-17
  track: 僕らはいま交差点に立って - Instrumental
    type: MusicRecording
    duration: PT3M48S
    duration ms: 228467
    explicit: false
    by artist: ひめもすオーケストラ
    in album: 僕らはいま交差点に立って
      type: MusicAlbum
      date published: 2023-10-17
    isrc code: JPN752310178
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-20T08:24:00+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xfa43d157be4495c77ff36b6effeb3b3c65ddfd99e04af67b3f91cff7ea166023
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958853
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958853
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPN752310178
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T11:26:55Z
    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 0xfa43d157be4495c77ff36b6effeb3b3c65ddfd99e04af67b3f91cff7ea166023. Chain 2 (Bitcoin): anchored in block 958853 (2026-07-20T11:26:55Z), 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/JPN752310178.
      date published: 2026-07-20T11:26:55Z
    audio: 僕らはいま交差点に立って - Instrumental
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 180.086
      additional property: Musical Key
        type: PropertyValue
        value: 3
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.367
      additional property: Energy
        type: PropertyValue
        value: 0.947
      additional property: Speechiness
        type: PropertyValue
        value: 0.059
      additional property: Acousticness
        type: PropertyValue
        value: 0
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.866
      additional property: Liveness
        type: PropertyValue
        value: 0.391
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.71
      additional property: Loudness (dB)
        type: PropertyValue
        value: -4.485
      additional property: Key Name
        type: PropertyValue
        value: Eb
      additional property: Mode Name
        type: PropertyValue
        value: Minor
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
  date published: 2025-04-07