Mellow and Sleazy
type: MusicGroup
popularity: 10
followers: 300
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3c93f334d9ce7007fe35980d34dfdc603aedd88fe2589a084a3113a87167055a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954615
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954615
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c6dece5e-8c8f-44a5-ba6b-5430de206e8a.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c6dece5e-8c8f-44a5-ba6b-5430de206e8a.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c6dece5e-8c8f-44a5-ba6b-5430de206e8a
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T22:44:50Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x3c93f334d9ce7007fe35980d34dfdc603aedd88fe2589a084a3113a87167055a","name":"Mellow and Sleazy","registered_at":"2026-06-20T21:25:12Z","symbol":"NIM1718894","token_address":"0x9658685524f432104a2fe90ab87142b2a6e41c52","type":"artist","uuid":"c6dece5e-8c8f-44a5-ba6b-5430de206e8a"}
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c93f334d9ce7007fe35980d34dfdc603aedd88fe2589a084a3113a87167055a. Chain 2 (Bitcoin): anchored in block 954615 (2026-06-20T22:44:50Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c6dece5e-8c8f-44a5-ba6b-5430de206e8a.json and https://artists.proofprofile.net/proofs/artist/c6dece5e-8c8f-44a5-ba6b-5430de206e8a.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-20T22:44:50Z
  text: {"copyright_id":"0x3c93f334d9ce7007fe35980d34dfdc603aedd88fe2589a084a3113a87167055a","name":"Mellow and Sleazy","registered_at":"2026-06-20T21:25:12Z","symbol":"NIM1718894","token_address":"0x9658685524f432104a2fe90ab87142b2a6e41c52","type":"artist","uuid":"c6dece5e-8c8f-44a5-ba6b-5430de206e8a"}
track: No Mystery
  type: MusicRecording
  duration: PT5M33S
  duration ms: 333923
  explicit: false
  by artist: Kukzer wadi piano_012
  by artist: Mellow and Sleazy
  in album: No Mystery
    type: MusicAlbum
    date published: 2022-11-02
  popularity: 25
  isrc code: QZTAW2299118
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T23:11:02+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa1f1f791561d7b2ed7a01f0e60e4b664b56d3d448a09b118afaa7ec8937833b2
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953520
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/953520
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTAW2299118
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1f1f791561d7b2ed7a01f0e60e4b664b56d3d448a09b118afaa7ec8937833b2. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTAW2299118 — a six-check JSON result.
    date published: 2026-06-13T13:32:09Z
  audio: No Mystery
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 126.179
    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: 0.839
    additional property: Energy
      type: PropertyValue
      value: 0.543
    additional property: Speechiness
      type: PropertyValue
      value: 0.06
    additional property: Acousticness
      type: PropertyValue
      value: 0.008
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.832
    additional property: Liveness
      type: PropertyValue
      value: 0.211
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.362
    additional property: Loudness (dB)
      type: PropertyValue
      value: -11.228
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Minor