Ace Cats
type: MusicGroup
genre: boogie-woogie
genre: neue deutsche welle
genre: rockabilly
genre: schlager
popularity: 14
followers: 898
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa003e1e0a9572c1479d2daf5baf7e0693762a51ad3f8edbee0f98d423f2a940a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953754
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953754
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ae000e8c-de40-46f5-8fe2-5c944788bc97.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ae000e8c-de40-46f5-8fe2-5c944788bc97.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/ae000e8c-de40-46f5-8fe2-5c944788bc97
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T06:45:19Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa003e1e0a9572c1479d2daf5baf7e0693762a51ad3f8edbee0f98d423f2a940a","name":"Ace Cats","registered_at":"2026-06-14T22:49:22Z","symbol":"NIM0601122","token_address":"0xca20d1fe3002e16081b81361f8ceb131a97fa416","type":"artist","uuid":"ae000e8c-de40-46f5-8fe2-5c944788bc97"}
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 0xa003e1e0a9572c1479d2daf5baf7e0693762a51ad3f8edbee0f98d423f2a940a. Chain 2 (Bitcoin): anchored in block 953754 (2026-06-15T06:45:19Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ae000e8c-de40-46f5-8fe2-5c944788bc97.json and https://artists.proofprofile.net/proofs/artist/ae000e8c-de40-46f5-8fe2-5c944788bc97.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T06:45:19Z
  text: {"copyright_id":"0xa003e1e0a9572c1479d2daf5baf7e0693762a51ad3f8edbee0f98d423f2a940a","name":"Ace Cats","registered_at":"2026-06-14T22:49:22Z","symbol":"NIM0601122","token_address":"0xca20d1fe3002e16081b81361f8ceb131a97fa416","type":"artist","uuid":"ae000e8c-de40-46f5-8fe2-5c944788bc97"}
album: Cat Talk
  type: MusicAlbum
  date published: 1982
album: Stundenlang im Fieber
  type: MusicAlbum
  date published: 1982
album: Stundenlang im Fieber
  type: MusicAlbum
  date published: 1982
album: Katzen tanzen durch die Nacht
  type: MusicAlbum
  date published: 1982
album: Cat Talk
  type: MusicAlbum
  date published: 1982-01-01
album: Katzen tanzen durch die Nacht
  type: MusicAlbum
  date published: 1983-12-01
  track: Rockebella
    type: MusicRecording
    duration: PT3M29S
    duration ms: 209066
    explicit: false
    by artist: Ace Cats
    in album: Katzen tanzen durch die Nacht
      type: MusicAlbum
      date published: 1983-12-01
    genre: boogie-woogie
    genre: neue deutsche welle
    genre: rockabilly
    genre: schlager
    isrc code: DEAD88300001
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-20T22:52:24+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x8534057be6fac04627e0fbcf2d7c1d7a63cb7a2d30d99f269383318a33b01aa4
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958943
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958943
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEAD88300001
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-21T01:54:52Z
    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 0x8534057be6fac04627e0fbcf2d7c1d7a63cb7a2d30d99f269383318a33b01aa4. Chain 2 (Bitcoin): anchored in block 958943 (2026-07-21T01:54:52Z), 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/DEAD88300001.
      date published: 2026-07-21T01:54:52Z
    audio: Rockebella
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 105.216
      additional property: Musical Key
        type: PropertyValue
        value: 4
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.561
      additional property: Energy
        type: PropertyValue
        value: 0.867
      additional property: Speechiness
        type: PropertyValue
        value: 0.056
      additional property: Acousticness
        type: PropertyValue
        value: 0.207
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.307
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.726
      additional property: Loudness (dB)
        type: PropertyValue
        value: -7.978
      additional property: Key Name
        type: PropertyValue
        value: E
      additional property: Mode Name
        type: PropertyValue
        value: Major
  track: Heut Nacht
    type: MusicRecording
    duration: PT3M32S
    duration ms: 212893
    explicit: false
    by artist: Ace Cats
    in album: Katzen tanzen durch die Nacht
      type: MusicAlbum
      date published: 1983-12-01
    genre: boogie-woogie
    genre: neue deutsche welle
    genre: rockabilly
    genre: schlager
    isrc code: DEAD88300002
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-19T11:22:12+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x88296a5793212b19f125c8610ed370e2e8c0e305871a187f857e4940717ed9f8
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958728
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958728
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEAD88300002
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-19T12:24:55Z
    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 0x88296a5793212b19f125c8610ed370e2e8c0e305871a187f857e4940717ed9f8. Chain 2 (Bitcoin): anchored in block 958728 (2026-07-19T12:24:55Z), 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/DEAD88300002.
      date published: 2026-07-19T12:24:55Z
    audio: Heut Nacht
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 95.055
      additional property: Musical Key
        type: PropertyValue
        value: 2
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      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

Time Signature
type: PropertyValue
value: 4

Danceability
type: PropertyValue
value: 0.524

Energy
type: PropertyValue
value: 0.833

Speechiness
type: PropertyValue
value: 0.038

Acousticness
type: PropertyValue
value: 0.143

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.267

Valence (Positivity)
type: PropertyValue
value: 0.848

Loudness (dB)
type: PropertyValue
value: -9.354

Key Name
type: PropertyValue
value: D

Mode Name
type: PropertyValue
value: Major