Matias Niemi
type: MusicGroup
genre: finnish hip hop
genre: finnish pop
popularity: 25
followers: 2217
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc71b51422f1ae8b2a9b84594245a70b1102abc57e5a790ae3185de0eb455aef6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ab2d264b-0c6e-45c3-aa7c-8e8898840b17.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ab2d264b-0c6e-45c3-aa7c-8e8898840b17.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/ab2d264b-0c6e-45c3-aa7c-8e8898840b17
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc71b51422f1ae8b2a9b84594245a70b1102abc57e5a790ae3185de0eb455aef6","name":"Matias Niemi","registered_at":"2026-06-12T06:55:21Z","symbol":"NIM0220642","token_address":"0x7a7fd25e20e742e24e767fb78ae376d7209f17cd","type":"artist","uuid":"ab2d264b-0c6e-45c3-aa7c-8e8898840b17"}
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 0xc71b51422f1ae8b2a9b84594245a70b1102abc57e5a790ae3185de0eb455aef6. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ab2d264b-0c6e-45c3-aa7c-8e8898840b17.json and https://artists.proofprofile.net/proofs/artist/ab2d264b-0c6e-45c3-aa7c-8e8898840b17.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T21:20:00Z
  text: {"copyright_id":"0xc71b51422f1ae8b2a9b84594245a70b1102abc57e5a790ae3185de0eb455aef6","name":"Matias Niemi","registered_at":"2026-06-12T06:55:21Z","symbol":"NIM0220642","token_address":"0x7a7fd25e20e742e24e767fb78ae376d7209f17cd","type":"artist","uuid":"ab2d264b-0c6e-45c3-aa7c-8e8898840b17"}
album: KATO MUA
  type: MusicAlbum
  date published: 2022-08-05
album: SÄRKYNEET
  type: MusicAlbum
  date published: 2022-11-11
album: KOKO JENGI
  type: MusicAlbum
  date published: 2022-12-28
  track: KOKO JENGI
    type: MusicRecording
    duration: PT3M4S
    duration ms: 184888
    explicit: false
    by artist: Matias Niemi
    in album: KOKO JENGI
      type: MusicAlbum
      date published: 2022-12-28
    genre: finnish hip hop
    genre: finnish pop
    isrc code: FIH7V2200009
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-17T10:12:57+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x48b240026f8c9ce7556bb2c90c4859cd9a0fd923c8e1651d39ef6aa3d786160b
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958397
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958397
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FIH7V2200009
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T10:29:45Z
    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 0x48b240026f8c9ce7556bb2c90c4859cd9a0fd923c8e1651d39ef6aa3d786160b. Chain 2 (Bitcoin): anchored in block 958397 (2026-07-17T10:29:45Z), 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/FIH7V2200009.
      date published: 2026-07-17T10:29:45Z
    audio: KOKO JENGI
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 134.954
      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: 0.612
      additional property: Energy
        type: PropertyValue
        value: 0.705
      additional property: Speechiness
        type: PropertyValue
        value: 0.058
      additional property: Acousticness
        type: PropertyValue
        value: 0.443
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.094
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.599
      additional property: Loudness (dB)
        type: PropertyValue
        value: -6.178
      additional property: Key Name
        type: PropertyValue
        value: Eb
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: ANNAN KAIKEN
  type: MusicAlbum
  date published: 2023-01-20
  track: ANNAN KAIKEN
    type: MusicRecording
    duration: PT2M36S
    duration ms: 156862
    explicit: false
    by artist: Matias Niemi
    in album: ANNAN KAIKEN
      type: MusicAlbum
      date published: 2023-01-20
    genre: finnish hip hop
    genre: finnish pop
    isrc code: FIH7V2300002
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-14T19:02:55+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xb65d0fd32c2443ccc70b46e5e19bf1c8c3112eb57d8cc893c70264906a9a3d52
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958051
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958051
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FIH7V2300002
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-14T19:14:42Z
    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 0xb65d0fd32c2443ccc70b46e5e19bf1c8c3112eb57d8cc893c70264906a9a3d52. Chain 2 (Bitcoin): anchored in block 958051 (2026-07-14T19:14:42Z), 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/FIH7V2300002.
      date published: 2026-07-14T19:14:42Z
    audio: ANNAN KAIKEN
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 153.284
      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: 0.547
      additional property: Energy
        type: PropertyValue
        value: 0.811
      additional property: Speechiness
        type: PropertyValue
        value: 0.134
      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: Mä en halua rakastaa sua enää (Remix)
album: EI NE YMMÄRRÄ
album: ILMAN PAITAA
album: Painajainen joka kulkee koroilla
album: LEVIÄÄ
album: TILIT TASATAAN
album: SUU KII
album: BODYMAFIA

Acousticness
type: PropertyValue
value: 0.199

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.099

Valence (Positivity)
type: PropertyValue
value: 0.661

Loudness (dB)
type: PropertyValue
value: -4.222

Key Name
type: PropertyValue
value: C#

Mode Name
type: PropertyValue
value: Major

Mä en halua rakastaa sua enää (Remix)
type: MusicAlbum
date published: 2023-03-31
track: Mä en halua rakastaa sua enää - Remix
  type: MusicRecording
  duration: PT2M35S
  duration ms: 155520
  explicit: false
  by artist: Matias Niemi
  in album: Mä en halua rakastaa sua enää (Remix)
    type: MusicAlbum
    date published: 2023-03-31
  genre: finnish hip hop
  genre: finnish pop
  isrc code: QZHN32309075
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-14T19:40:54+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa2a02303e3fa78e30b3ce6be89b24740ca7d07d6aab53eca106ffa1ee6505ed3
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958060
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958060
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN32309075
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-14T20:39:42Z
  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 0xa2a02303e3fa78e30b3ce6be89b24740ca7d07d6aab53eca106ffa1ee6505ed3. Chain 2 (Bitcoin): anchored in block 958060 (2026-07-14T20:39:42Z), 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/QZHN32309075.
    date published: 2026-07-14T20:39:42Z
  audio: Mä en halua rakastaa sua enää - Remix
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 124.923
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.667
    additional property: Energy
      type: PropertyValue
      value: 0.663
    additional property: Speechiness
      type: PropertyValue
      value: 0.052
    additional property: Acousticness
      type: PropertyValue
      value: 0.19
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.34
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.212
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.563
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Major

EI NE YMMÄRRÄ
type: MusicAlbum
date published: 2023-04-28

ILMAN PAITAA
type: MusicAlbum
date published: 2023-05-19
track: ILMAN PAITAA
  type: MusicRecording
  duration: PT2M56S
  duration ms: 176935
  explicit: true
  by artist: Matias Niemi
  in album: ILMAN PAITAA
    type: MusicAlbum
    date published: 2023-05-19
  genre: finnish hip hop
  genre: finnish pop
  isrc code: QZHNC2359998
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-18T10:31:54+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf7c7072fc499a6650c62f2e4cb7c4d38185641e6974762ea5cf23421eeb6a7bc
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958543
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958543
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHNC2359998
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T11:58:44Z
  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 0xf7c7072fc499a6650c62f2e4cb7c4d38185641e6974762ea5cf23421eeb6a7bc. Chain 2 (Bitcoin): anchored in block 958543 (2026-07-18T11:58:44Z), 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/QZHNC2359998.
    date published: 2026-07-18T11:58:44Z
  audio: ILMAN PAITAA
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 92.129
    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: 0.625
    additional property: Energy
      type: PropertyValue
      value: 0.895
    additional property: Speechiness
      type: PropertyValue
      value: 0.078
    additional property: Acousticness
      type: PropertyValue
      value: 0.079
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.495
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.704
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.939
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Major

Painajainen joka kulkee koroilla
type: MusicAlbum
date published: 2023-06-02

LEVIÄÄ
type: MusicAlbum
date published: 2023-11-17

TILIT TASATAAN
type: MusicAlbum
date published: 2024-03-22

SUU KII
type: MusicAlbum
date published: 2024-05-10

BODYMAFIA
type: MusicAlbum
date published: 2024-08-30