KufisWorld
type: MusicGroup
popularity: 4
followers: 89
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x50fddb0b8d7fde31243f86a9457e866c5383754e83f7d003754b3a6d6beecbdb
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954020
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954020
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/37f7e10d-e6a3-4f5b-9682-7e944832ee4f.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/37f7e10d-e6a3-4f5b-9682-7e944832ee4f.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/37f7e10d-e6a3-4f5b-9682-7e944832ee4f
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T23:51:12Z
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 0x50fddb0b8d7fde31243f86a9457e866c5383754e83f7d003754b3a6d6beecbdb. Chain 2 (Bitcoin): anchored in block 954020 (2026-06-16T23:51:12Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/37f7e10d-e6a3-4f5b-9682-7e944832ee4f.json and https://artists.proofprofile.net/proofs/artist/37f7e10d-e6a3-4f5b-9682-7e944832ee4f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T23:51:12Z
album: Excellent
  type: MusicAlbum
  date published: 2023-06-15
album: Tornado Warning
  type: MusicAlbum
  date published: 2023-06-21
album: 36 Lisgar Freestyle
  type: MusicAlbum
  date published: 2023-07-13
album: Every Summer
  type: MusicAlbum
  date published: 2023-08-03
album: Oh Geed
  type: MusicAlbum
  date published: 2023-08-05
album: ILY
  type: MusicAlbum
  date published: 2023-08-08
album: Gotham's Ballad
  type: MusicAlbum
  date published: 2023-09-13
album: Sprewells
  type: MusicAlbum
  date published: 2023-12-23
album: Smile
  type: MusicAlbum
  date published: 2024-01-05
album: Infinite Love
  type: MusicAlbum
  date published: 2024-01-15
album: Stay Solid
  type: MusicAlbum
  date published: 2025-02-16
  track: Stay Solid
    type: MusicRecording
    duration: PT2M20S
    duration ms: 140951
    explicit: true
    by artist: KufisWorld
    in album: Stay Solid
      type: MusicAlbum
      date published: 2025-02-16
    isrc code: QZLBC2503331
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-02T20:38:23+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xfc6f0e7ffd14ed6bada5d4ee6e3a32db6935621d9544001bfdeecff2c8619e30
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956397
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956397
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZLBC2503331
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-02T21:02:00Z
    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 0xfc6f0e7ffd14ed6bada5d4ee6e3a32db6935621d9544001bfdeecff2c8619e30. Chain 2 (Bitcoin): anchored in block 956397 (2026-07-02T21:02:00Z), 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/QZLBC2503331.
      date published: 2026-07-02T21:02:00Z
    audio: Stay Solid
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 91.924
      additional property: Musical Key
        type: PropertyValue
        value: 1
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.816
      additional property: Energy
        type: PropertyValue
        value: 0.706
      additional property: Speechiness
        type: PropertyValue
        value: 0.139
      additional property: Acousticness
        type: PropertyValue
        value: 0.049
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.115
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.274
      additional property: Loudness (dB)
        type: PropertyValue
        value: -2.936
      additional property: Key Name
        type: PropertyValue
        value: C#
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Memos From Bordeaux
  type: MusicAlbum
  date published: 2025-05-30
  track: Got Me Started
    type: MusicRecording
    duration: PT2M15S
    duration ms: 135051
    explicit: true
    by artist: KufisWorld
    in album: Memos From Bordeaux
      type: MusicAlbum
      date published: 2025-05-30
    isrc code: QZLBC2505107
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-06T01:36:09+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x1eec49ec864287e99f0a824881bd48873b539fffa38d4af0bdd43dbd96b85f39
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956862
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956862
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZLBC2505107
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-06T02:10:22Z
    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 0x1eec49ec864287e99f0a824881bd48873b539fffa38d4af0bdd43dbd96b85f39. Chain 2 (Bitcoin): anchored in block 956862 (2026-07-06T02:10:22Z), 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/QZLBC2505107.
      date published: 2026-07-06T02:10:22Z
    audio: Got Me Started
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 128.02
      additional property: Musical Key
        type: PropertyValue
        value: 11
      additional property: Mode (Major/Minor)
      additional property: Time Signature
      additional property: Danceability
      additional property: Energy
      additional property: Speechiness
      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

Mode (Major/Minor)
type: PropertyValue
value: 0

Time Signature
type: PropertyValue
value: 4

Danceability
type: PropertyValue
value: 0.902

Energy
type: PropertyValue
value: 0.443

Speechiness
type: PropertyValue
value: 0.124

Acousticness
type: PropertyValue
value: 0.095

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.111

Valence (Positivity)
type: PropertyValue
value: 0.417

Loudness (dB)
type: PropertyValue
value: -8.44

Key Name
type: PropertyValue
value: B

Mode Name
type: PropertyValue
value: Minor