Rolin Nababan
type: MusicGroup
genre: batak
genre: lagu timur
popularity: 17
followers: 537
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xa84bbe7fecc31af3f1e35f9035434af144ad5574e17d89faddddb0f99efaa26c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953710
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953710
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7fb0a18a-7455-4aad-86ad-4b4db41776dd.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7fb0a18a-7455-4aad-86ad-4b4db41776dd.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/7fb0a18a-7455-4aad-86ad-4b4db41776dd
additional property: OTSTimestamp
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  value: 2026-06-14T23:32:42Z
additional property: OTSCanonicalRecord
  type: PropertyValue
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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 0xa84bbe7fecc31af3f1e35f9035434af144ad5574e17d89faddddb0f99efaa26c. Chain 2 (Bitcoin): anchored in block 953710 (2026-06-14T23:32:42Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7fb0a18a-7455-4aad-86ad-4b4db41776dd.json and https://artists.proofprofile.net/proofs/artist/7fb0a18a-7455-4aad-86ad-4b4db41776dd.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T23:32:42Z
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album: Hingga Tua Bersama
  type: MusicAlbum
  date published: 2022-10-24
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
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album: Goodbye (Acoustic Version)
  type: MusicAlbum
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  type: MusicAlbum
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album: The Shade (Acoustic Version)
  type: MusicAlbum
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album: Easy On Me (Acoustic Version)
  type: MusicAlbum
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album: When We Were Young (Acoustic Version)
  type: MusicAlbum
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album: Can't Help Falling in Love (Acoustic Version)
  type: MusicAlbum
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album: Nothing's Gonna Change My Love for You (Acoustic Version)
  type: MusicAlbum
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album: Jar of Heart (Acoustic Version)
  type: MusicAlbum
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album: If I Ain't Got You (Acoustic Version)
  type: MusicAlbum
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album: Your Man (Acoustic Version)
  type: MusicAlbum
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album: Perfect (Acoustic Version)
  type: MusicAlbum
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album: Leaving on a Jet Plane (Acoustic Version)
  type: MusicAlbum
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  type: MusicAlbum
  date published: 2024-09-06
album: Yesterday (Acoustic Version)
  type: MusicAlbum
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  type: MusicAlbum
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album: Cancer (Acoustic Version)
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album: Mekkel Nama Au
  type: MusicAlbum
  date published: 2024-09-24
  track: Mekkel Nama Au
    type: MusicRecording
    duration: PT4M10S
    duration ms: 250365
    explicit: false
    by artist: Rolin Nababan
    in album: Mekkel Nama Au
      type: MusicAlbum
      date published: 2024-09-24
    genre: batak
    genre: lagu timur
    isrc code: QZWDW2458316
    additional property: CopyrightID
    additional property: CopyrightStatus
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    additional property: CopyrightRegisteredAt
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    additional property: OTSBitcoinBlock
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    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWDW2458316
    additional property: OTSTimestamp
      type: PropertyValue
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    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 0x9e64212decb64e5750e00c6f45e46df505cc820d3f3b7f47dd958c669b5a0457. 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/QZWDW2458316.
      date published: 2026-07-20T21:15:01Z
    audio: Mekkel Nama Au
      type: AudioObject
      additional property: Tempo (BPM)
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        value: 126.708
      additional property: Musical Key
        type: PropertyValue
        value: 7
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
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      additional property: Danceability
        type: PropertyValue
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      additional property: Energy
        type: PropertyValue
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      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
album: Dang Na Ujui Be Ho
album: You And I

Speechiness
type: PropertyValue
value: 0.038

Acousticness
type: PropertyValue
value: 0.932

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.117

Valence (Positivity)
type: PropertyValue
value: 0.255

Loudness (dB)
type: PropertyValue
value: -10.322

Key Name
type: PropertyValue
value: G

Mode Name
type: PropertyValue
value: Major

Dang Na Ujui Be Ho
type: MusicAlbum
date published: 2024-11-21
track: Dang Na Ujui Be Ho
  type: MusicRecording
  duration: PT5M29S
  duration ms: 329000
  explicit: false
  by artist: Rolin Nababan
  in album: Dang Na Ujui Be Ho
    type: MusicAlbum
    date published: 2024-11-21
  genre: batak
  genre: lagu timur
  isrc code: QZN882408577
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-20T06:16:16+00:00
  additional property: CopyrightChainExplorerURL
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958839
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958839
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZN882408577
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-20T07:01:59Z
  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 0x85f2bb05a8f88115422b9f5d00dd92b4f2c4735a304fa811369e3ca57ecf7258. Chain 2 (Bitcoin): anchored in block 958839 (2026-07-20T07:01:59Z), 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/QZN882408577.
    date published: 2026-07-20T07:01:59Z
  audio: Dang Na Ujui Be Ho
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 134.464
    additional property: Musical Key
      type: PropertyValue
      value: 8
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.508
    additional property: Energy
      type: PropertyValue
      value: 0.193
    additional property: Speechiness
      type: PropertyValue
      value: 0.029
    additional property: Acousticness
      type: PropertyValue
      value: 0.939
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.108
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.252
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.834
    additional property: Key Name
      type: PropertyValue
      value: Ab
    additional property: Mode Name
      type: PropertyValue
      value: Major

You And I
type: MusicAlbum
date published: 2025-02-15