Not Xmprewell
type: MusicGroup
genre: batak
genre: indorock
genre: pop punk
popularity: 8
followers: 829
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0e21ca6937aeb34116bd9eabd774a8bdeb749454c216ef7f3a6cc27f09d8a8fa
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954784
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954784
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f66f991c-6675-4373-85f9-d0aedcd6b6b6.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f66f991c-6675-4373-85f9-d0aedcd6b6b6.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/f66f991c-6675-4373-85f9-d0aedcd6b6b6
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-22T02:53:59Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0e21ca6937aeb34116bd9eabd774a8bdeb749454c216ef7f3a6cc27f09d8a8fa","name":"Not Xmprewell","registered_at":"2026-06-21T15:44:11Z","symbol":"NIM1963991","token_address":"0x37db5b9048d1db8d9e6842e7e21a5087034c520f","type":"artist","uuid":"f66f991c-6675-4373-85f9-d0aedcd6b6b6"}
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 0x0e21ca6937aeb34116bd9eabd774a8bdeb749454c216ef7f3a6cc27f09d8a8fa. Chain 2 (Bitcoin): anchored in block 954784 (2026-06-22T02:53:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f66f991c-6675-4373-85f9-d0aedcd6b6b6.json and https://artists.proofprofile.net/proofs/artist/f66f991c-6675-4373-85f9-d0aedcd6b6b6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-22T02:53:59Z
  text: {"copyright_id":"0x0e21ca6937aeb34116bd9eabd774a8bdeb749454c216ef7f3a6cc27f09d8a8fa","name":"Not Xmprewell","registered_at":"2026-06-21T15:44:11Z","symbol":"NIM1963991","token_address":"0x37db5b9048d1db8d9e6842e7e21a5087034c520f","type":"artist","uuid":"f66f991c-6675-4373-85f9-d0aedcd6b6b6"}
album: Semangat Muda
  type: MusicAlbum
  date published: 2019-01-15
  track: Nada Tertindas
    type: MusicRecording
    duration: PT3M39S
    duration ms: 219245
    explicit: false
    by artist: Not Xmprewell
    in album: Semangat Muda
      type: MusicAlbum
      date published: 2019-01-15
    genre: batak
    genre: indorock
    genre: pop punk
    isrc code: FR10S1905734
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-22T07:13:50+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x1fd78831f8fe2c21d1a37ccb332890d775538c30f8170462ef7f29bebe2b62bf
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 959109
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/959109
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR10S1905734
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-22T10:14:54Z
    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 0x1fd78831f8fe2c21d1a37ccb332890d775538c30f8170462ef7f29bebe2b62bf. Chain 2 (Bitcoin): anchored in block 959109 (2026-07-22T10:14:54Z), 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/FR10S1905734.
      date published: 2026-07-22T10:14:54Z
    audio: Nada Tertindas
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 150.027
      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: 0.397
      additional property: Energy
        type: PropertyValue
        value: 0.998
      additional property: Speechiness
        type: PropertyValue
        value: 0.117
      additional property: Acousticness
        type: PropertyValue
        value: 0.001
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.001
      additional property: Liveness
        type: PropertyValue
        value: 0.351
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.176
      additional property: Loudness (dB)
        type: PropertyValue
        value: -1.853
      additional property: Key Name
        type: PropertyValue
        value: C#
      additional property: Mode Name
        type: PropertyValue
        value: Major
  track: Kekasih vs. Sahabat
    type: MusicRecording
    duration: PT5M5S
    duration ms: 305815
    explicit: false
    by artist: Not Xmprewell
    in album: Semangat Muda
      type: MusicAlbum
      date published: 2019-01-15
    genre: batak
    genre: indorock
    genre: pop punk
    isrc code: FR10S1905735
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-14T23:23:05+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x6d113d81cb26153fe0fea7a98e78862b28d4aaa9b9bf94f5df0c15608f7deda2
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958079
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958079
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR10S1905735
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-15T00:21:05Z
    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 0x6d113d81cb26153fe0fea7a98e78862b28d4aaa9b9bf94f5df0c15608f7deda2. Chain 2 (Bitcoin): anchored in block 958079 (2026-07-15T00:21:05Z), 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/FR10S1905735.
      date published: 2026-07-15T00:21:05Z
    audio: Kekasih vs. Sahabat
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 135.024
      additional property: Musical Key
        type: PropertyValue
        value: 7
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.626
      additional property: Energy
        type: PropertyValue
        value: 0.975
      additional property: Speechiness
        type: PropertyValue
        value: 0.057
      additional property: Acousticness
        type: PropertyValue
        value: 0.003
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.01
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
  track: Marsitogol
album: Bubar
album: Kinantanku
album: Pahlawan Dan Bidadari (Piano Version)

Liveness
type: PropertyValue
value: 0.198

Valence (Positivity)
type: PropertyValue
value: 0.58

Loudness (dB)
type: PropertyValue
value: -3.189

Key Name
type: PropertyValue
value: G

Mode Name
type: PropertyValue
value: Major

Marsitogol
type: MusicRecording
duration: PT3M28S
duration ms: 208195
explicit: false
by artist: Not Xmprewell
in album: Semangat Muda
  type: MusicAlbum
  date published: 2019-01-15
genre: batak
genre: indorock
genre: pop punk
isrc code: FR10S1905743
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T12:08:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6437c755ef5f13286a69e38184d8ab3c4adf8952f0e24da0f0cc6ea7688a4231
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956826
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956826
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR10S1905743
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T19:27:56Z
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 0x6437c755ef5f13286a69e38184d8ab3c4adf8952f0e24da0f0cc6ea7688a4231. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/FR10S1905743.
  date published: 2026-07-05T19:27:56Z
audio: Marsitogol
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 144.934
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.459
  additional property: Energy
    type: PropertyValue
    value: 0.987
  additional property: Speechiness
    type: PropertyValue
    value: 0.057
  additional property: Acousticness
    type: PropertyValue
    value: 0.001
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.187
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.6
  additional property: Loudness (dB)
    type: PropertyValue
    value: -2.578
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bubar
type: MusicAlbum
date published: 2023-10-14

Kinantanku
type: MusicAlbum
date published: 2024-03-15

Pahlawan Dan Bidadari (Piano Version)
type: MusicAlbum
date published: 2024-06-24