123 Mixtape
type: MusicGroup
popularity: 4
followers: 1252
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x89fa1ec46ce8b41b4316ce65d6da914dce2c3caae5f7f9cc61924da22c5b7c9b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954342
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954342
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8f7a8911-1efa-47d1-b2b6-386541dd3916.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8f7a8911-1efa-47d1-b2b6-386541dd3916.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/8f7a8911-1efa-47d1-b2b6-386541dd3916
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-19T03:22:39Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x89fa1ec46ce8b41b4316ce65d6da914dce2c3caae5f7f9cc61924da22c5b7c9b","name":"123 Mixtape","registered_at":"2026-06-17T15:40:15Z","symbol":"NIM1441281","token_address":"0x575d3ce2217a37b41fd46d4941200714c9ed60dc","type":"artist","uuid":"8f7a8911-1efa-47d1-b2b6-386541dd3916"}
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 0x89fa1ec46ce8b41b4316ce65d6da914dce2c3caae5f7f9cc61924da22c5b7c9b. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8f7a8911-1efa-47d1-b2b6-386541dd3916.json and https://artists.proofprofile.net/proofs/artist/8f7a8911-1efa-47d1-b2b6-386541dd3916.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:22:39Z
  text: {"copyright_id":"0x89fa1ec46ce8b41b4316ce65d6da914dce2c3caae5f7f9cc61924da22c5b7c9b","name":"123 Mixtape","registered_at":"2026-06-17T15:40:15Z","symbol":"NIM1441281","token_address":"0x575d3ce2217a37b41fd46d4941200714c9ed60dc","type":"artist","uuid":"8f7a8911-1efa-47d1-b2b6-386541dd3916"}
album: Cloud into River
  type: MusicAlbum
  date published: 2020-06-23
album: Cloud into River
  type: MusicAlbum
  date published: 2020-06-23
album: For a Friend
  type: MusicAlbum
  date published: 2020-07-24
album: For a Friend
  type: MusicAlbum
  date published: 2020-07-24
album: Saline
  type: MusicAlbum
  date published: 2021-04-23
album: Jokes
  type: MusicAlbum
  date published: 2021-10-08
album: Hymn and Her (123mix)
  type: MusicAlbum
  date published: 2022-01-14
album: Goddess
  type: MusicAlbum
  date published: 2022-03-18
album: Cloud Into River
  type: MusicAlbum
  date published: 2022-12-12
  track: Cloud Into River
    type: MusicRecording
    duration: PT3M23S
    duration ms: 203345
    explicit: false
    by artist: 123 Mixtape
    in album: Cloud Into River
      type: MusicAlbum
      date published: 2022-12-12
    isrc code: NL1AP2054149
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-15T16:10:08+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xfbe2da4c27a9f4ca4e220b10b1c7e8878494749aba0938dad008a5e6ff8eb1ae
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958176
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958176
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NL1AP2054149
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-15T19:12:49Z
    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 0xfbe2da4c27a9f4ca4e220b10b1c7e8878494749aba0938dad008a5e6ff8eb1ae. Chain 2 (Bitcoin): anchored in block 958176 (2026-07-15T19:12:49Z), 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/NL1AP2054149.
      date published: 2026-07-15T19:12:49Z
    audio: Cloud Into River
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 164.018
      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: 0.64
      additional property: Energy
        type: PropertyValue
        value: 0.551
      additional property: Speechiness
        type: PropertyValue
        value: 0.063
      additional property: Acousticness
        type: PropertyValue
        value: 0.005
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.751
      additional property: Liveness
        type: PropertyValue
        value: 0.196
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.954
      additional property: Loudness (dB)
        type: PropertyValue
        value: -10.087
      additional property: Key Name
        type: PropertyValue
        value: Eb
      additional property: Mode Name
        type: PropertyValue
        value: Minor