Combinatie XVI
type: MusicGroup
popularity: 15
followers: 1974
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xff9e576e08e7a0355d9ba404df914f4ae01383c16a0ba6edfbafa13f20c97877
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953750
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953750
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a9d067ab-7e7a-4699-8edc-8fade9d15e65.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a9d067ab-7e7a-4699-8edc-8fade9d15e65.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/a9d067ab-7e7a-4699-8edc-8fade9d15e65
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T06:12:23Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xff9e576e08e7a0355d9ba404df914f4ae01383c16a0ba6edfbafa13f20c97877","name":"Combinatie XVI","registered_at":"2026-06-14T22:16:28Z","symbol":"NIM0593266","token_address":"0x876788d15dd1dce6ebf0add1fc5313a1c5e87023","type":"artist","uuid":"a9d067ab-7e7a-4699-8edc-8fade9d15e65"}
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 0xff9e576e08e7a0355d9ba404df914f4ae01383c16a0ba6edfbafa13f20c97877. Chain 2 (Bitcoin): anchored in block 953750 (2026-06-15T06:12:23Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a9d067ab-7e7a-4699-8edc-8fade9d15e65.json and https://artists.proofprofile.net/proofs/artist/a9d067ab-7e7a-4699-8edc-8fade9d15e65.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T06:12:23Z
  text: {"copyright_id":"0xff9e576e08e7a0355d9ba404df914f4ae01383c16a0ba6edfbafa13f20c97877","name":"Combinatie XVI","registered_at":"2026-06-14T22:16:28Z","symbol":"NIM0593266","token_address":"0x876788d15dd1dce6ebf0add1fc5313a1c5e87023","type":"artist","uuid":"a9d067ab-7e7a-4699-8edc-8fade9d15e65"}
album: Sang Dweng
  type: MusicAlbum
  date published: 1995-01-01
album: Sang Dweng
  type: MusicAlbum
  date published: 1995-04-20
album: Sang Dweng
  type: MusicAlbum
  date published: 1995-04-20
album: Faya
  type: MusicAlbum
  date published: 1997-01-01
album: Faya
  type: MusicAlbum
  date published: 1997-04-10
album: Flamingo
  type: MusicAlbum
  date published: 2000-01-01
  track: Tantana
    type: MusicRecording
    duration: PT7M11S
    duration ms: 431093
    explicit: false
    by artist: Combinatie XVI
    in album: Flamingo
      type: MusicAlbum
      date published: 2000-01-01
    isrc code: NLG271603848
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T03:16:50+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x4a341cb88c57070242f9dc10decd1802a69153248862d9d839b7c1ebdc90f763
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956656
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956656
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLG271603848
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-04T14:03:39Z
    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 0x4a341cb88c57070242f9dc10decd1802a69153248862d9d839b7c1ebdc90f763. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/NLG271603848.
      date published: 2026-07-04T14:03:39Z
    audio: Tantana
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 92.706
      additional property: Musical Key
        type: PropertyValue
        value: 10
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.591
      additional property: Energy
        type: PropertyValue
        value: 0.659
      additional property: Speechiness
        type: PropertyValue
        value: 0.179
      additional property: Acousticness
        type: PropertyValue
        value: 0.298
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.108
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.647
      additional property: Loudness (dB)
        type: PropertyValue
        value: -8.152
      additional property: Key Name
        type: PropertyValue
        value: Bb
      additional property: Mode Name
        type: PropertyValue
        value: Major
  track: Aisa Fodu
    type: MusicRecording
    duration: PT4M58S
    duration ms: 298600
    explicit: false
    by artist: Combinatie XVI
    in album: Flamingo
      type: MusicAlbum
      date published: 2000-01-01
    isrc code: NLG271603851
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T17:55:07+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x767a7f626121dcd366919cc4a80c9e7d565f862760af6a4dfd984777bb8e9efb
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956551
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956551
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLG271603851
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-03T21:18:05Z
    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 0x767a7f626121dcd366919cc4a80c9e7d565f862760af6a4dfd984777bb8e9efb. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/NLG271603851.
      date published: 2026-07-03T21:18:05Z
    audio: Aisa Fodu
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 168.77
      additional property: Musical Key
        type: PropertyValue
        value: 10
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 5
      additional property: Danceability
        type: PropertyValue
        value: 0.511
      additional property: Energy
        type: PropertyValue
        value: 0.79
      additional property: Speechiness
        type: PropertyValue
        value: 0.165
      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
album: Combinatie XVI
album: Losso
album: Ten Na Ten
album: Ten Na Ten (Ya Nu Wan Bigi Uma)
album: Vodoe Pré (Live In Sun Club)
album: Live Tori Oso (Aai Poeroe Smoko)
album: Live Tori Oso

Acousticness
type: PropertyValue
value: 0.168

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.217

Valence (Positivity)
type: PropertyValue
value: 0.61

Loudness (dB)
type: PropertyValue
value: -8.151

Key Name
type: PropertyValue
value: Bb

Mode Name
type: PropertyValue
value: Major

Flamingo
type: MusicAlbum
date published: 2000-02-02

Flamingo
type: MusicAlbum
date published: 2000-02-02

Combinatie XVI
type: MusicAlbum
date published: 2002

Combinatie XVI
type: MusicAlbum
date published: 2002

Combinatie XVI
type: MusicAlbum
date published: 2002-01-01
track: Aisa
  type: MusicRecording
  duration: PT6M4S
  duration ms: 364853
  explicit: false
  by artist: Combinatie XVI
  in album: Combinatie XVI
    type: MusicAlbum
    date published: 2002-01-01
  isrc code: NLG271202287
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-11T16:58:26+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x27fc1b1bdb948a6daf587b05f96a9505f3a68e1700ecd88de94db9e6fe1cc537
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957591
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957591
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLG271202287
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-11T17:21:30Z
  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 0x27fc1b1bdb948a6daf587b05f96a9505f3a68e1700ecd88de94db9e6fe1cc537. Chain 2 (Bitcoin): anchored in block 957591 (2026-07-11T17:21:30Z), 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/NLG271202287.
    date published: 2026-07-11T17:21:30Z
  audio: Aisa
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 169.295
    additional property: Musical Key
      type: PropertyValue
      value: 8
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.45
    additional property: Energy
      type: PropertyValue
      value: 0.692
    additional property: Speechiness
      type: PropertyValue
      value: 0.107
    additional property: Acousticness
      type: PropertyValue
      value: 0.476
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.144
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.744
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.781
    additional property: Key Name
      type: PropertyValue
      value: Ab
    additional property: Mode Name
      type: PropertyValue
      value: Major

Losso
type: MusicAlbum
date published: 2006

Losso
type: MusicAlbum
date published: 2006

Losso
type: MusicAlbum
date published: 2006

Losso
type: MusicAlbum
date published: 2006-01-01

Ten Na Ten
type: MusicAlbum
date published: 2010

Ten Na Ten
type: MusicAlbum
date published: 2010

Ten Na Ten
type: MusicAlbum
date published: 2010

Ten Na Ten (Ya Nu Wan Bigi Uma)
type: MusicAlbum
date published: 2010-01-01

Vodoe Pré (Live In Sun Club)
type: MusicAlbum
date published: 2010-01-01

Live Tori Oso (Aai Poeroe Smoko)
type: MusicAlbum
date published: 2014-01-01
track: A Leysi E Fadon - Live
  type: MusicRecording
  duration: PT28M52S
  duration ms: 1732120
  explicit: false
  by artist: Combinatie XVI
  in album: Live Tori Oso (Aai Poeroe Smoko)
    type: MusicAlbum
    date published: 2014-01-01
  isrc code: NLG271202310
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-20T19:06:31+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xce79b5d16ec27b932ca11222422d5d1d4e732bc7192c1142ef665a97148f43af
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958931
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958931
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLG271202310
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-20T21:15:01Z
  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 0xce79b5d16ec27b932ca11222422d5d1d4e732bc7192c1142ef665a97148f43af. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), 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/NLG271202310.
    date published: 2026-07-20T21:15:01Z
  audio: A Leysi E Fadon - Live
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 111.941
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.657
    additional property: Energy
      type: PropertyValue
      value: 0.646
    additional property: Speechiness
      type: PropertyValue
      value: 0.193
    additional property: Acousticness
      type: PropertyValue
      value: 0.725
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.111
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.422
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.8
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Live Tori Oso
type: MusicAlbum
date published: 2014-07-31

Live Tori Oso
type: MusicAlbum
date published: 2014-07-31

Live Tori Oso
type: MusicAlbum
date published: 2014-08-01