Keller Jr.
type: MusicGroup
popularity: 13
followers: 370
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x675eeddc923b252661606c47db670d16f533eddac287e25f541c3d4840148df1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953625
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953625
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2bce56dc-7daf-4b1d-862b-3f598cc0d335.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2bce56dc-7daf-4b1d-862b-3f598cc0d335.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/2bce56dc-7daf-4b1d-862b-3f598cc0d335
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T11:37:06Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x675eeddc923b252661606c47db670d16f533eddac287e25f541c3d4840148df1","name":"Keller Jr.","registered_at":"2026-06-14T08:59:29Z","symbol":"NIM0403166","token_address":"0xfb4377f01b28da3ff95c2067e84e584a03cfbadb","type":"artist","uuid":"2bce56dc-7daf-4b1d-862b-3f598cc0d335"}
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 0x675eeddc923b252661606c47db670d16f533eddac287e25f541c3d4840148df1. Chain 2 (Bitcoin): anchored in block 953626 (2026-06-14T11:41:45Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2bce56dc-7daf-4b1d-862b-3f598cc0d335.json and https://artists.proofprofile.net/proofs/artist/2bce56dc-7daf-4b1d-862b-3f598cc0d335.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T11:41:45Z
  text: {"copyright_id":"0x675eeddc923b252661606c47db670d16f533eddac287e25f541c3d4840148df1","name":"Keller Jr.","registered_at":"2026-06-14T08:59:29Z","symbol":"NIM0403166","token_address":"0xfb4377f01b28da3ff95c2067e84e584a03cfbadb","type":"artist","uuid":"2bce56dc-7daf-4b1d-862b-3f598cc0d335"}
album: Acoustic Greatest Hits
  type: MusicAlbum
  date published: 2020-08-18
album: Hey Brother (Avicii Tribute)
  type: MusicAlbum
  date published: 2020-12-15
album: Ed Sheeran Tribute
  type: MusicAlbum
  date published: 2020-12-15
album: Hello (Adele)
  type: MusicAlbum
  date published: 2021-01-11
album: Amy Winehouse Tribute - Back to Black / Rehab
  type: MusicAlbum
  date published: 2021-02-01
album: Io Sì (Seen) [From "The Life Ahead"]
  type: MusicAlbum
  date published: 2021-03-31
album: Ultimate Hits
  type: MusicAlbum
  date published: 2021-04-22
  track: Catch & Release
    type: MusicRecording
    duration: PT3M13S
    duration ms: 193985
    explicit: false
    by artist: Keller Jr.
    in album: Ultimate Hits
      type: MusicAlbum
      date published: 2021-04-22
    isrc code: BRTRB2080512
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-20T10:58:18+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x95601207c2296def3fbed5c0473b064a52a42ca7b66f13187d2ec6a0f59b9f99
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958870
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958870
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRTRB2080512
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T14:00:24Z
    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 0x95601207c2296def3fbed5c0473b064a52a42ca7b66f13187d2ec6a0f59b9f99. Chain 2 (Bitcoin): anchored in block 958870 (2026-07-20T14:00:24Z), 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/BRTRB2080512.
      date published: 2026-07-20T14:00:24Z
    audio: Catch & Release
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 104.944
      additional property: Musical Key
        type: PropertyValue
        value: 6
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.651
      additional property: Energy
        type: PropertyValue
        value: 0.555
      additional property: Speechiness
        type: PropertyValue
        value: 0.062
      additional property: Acousticness
        type: PropertyValue
        value: 0.698
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.159
      additional property: Liveness
        type: PropertyValue
        value: 0.112
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.368
      additional property: Loudness (dB)
        type: PropertyValue
        value: -9.762
      additional property: Key Name
        type: PropertyValue
        value: F#
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Interpreta Roberto Carlos
  type: MusicAlbum
  date published: 2021-05-21
album: Every Breath You Take
  type: MusicAlbum
  date published: 2021-09-30
album: Somebody That I Used to Know
  type: MusicAlbum
  date published: 2021-09-30
album: Sax Love
  type: MusicAlbum
  date published: 2023-02-14
album: Sax Love II
  type: MusicAlbum
  date published: 2024-01-11
  track: As It Was
    type: MusicRecording
    duration: PT3M43S
    duration ms: 223840
    explicit: false
    by artist: Keller Jr.
    in album: Sax Love II
      type: MusicAlbum
      date published: 2024-01-11
    isrc code: BRTRB2400259
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T06:41:20+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xd07f1b0b6a397462c5a76d5bfe1ff85ea9905059a50a421bc6bee6a251e5dd9d
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956790
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956790
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRTRB2400259
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T12:31:54Z
    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 0xd07f1b0b6a397462c5a76d5bfe1ff85ea9905059a50a421bc6bee6a251e5dd9d. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), 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/BRTRB2400259.
      date published: 2026-07-05T12:31:54Z
    audio: As It Was
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 86.97
      additional property: Musical Key
      additional property: Mode (Major/Minor)
      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
album: Sax & Flauta Love - Cover
album: La Diabla - Sax Cover
album: Greatest Hits Vol 2
album: We Can't be Friends (Wait For Your Love) Cover
album: CRAZY
album: Sax Sessions
album: Sax Sessions Vol. 2
album: Sax Cover - Instrumental

Musical Key
type: PropertyValue
value: 6

Mode (Major/Minor)
type: PropertyValue
value: 0

Time Signature
type: PropertyValue
value: 4

Danceability
type: PropertyValue
value: 0.78

Energy
type: PropertyValue
value: 0.668

Speechiness
type: PropertyValue
value: 0.088

Acousticness
type: PropertyValue
value: 0.641

Instrumentalness
type: PropertyValue
value: 0.208

Liveness
type: PropertyValue
value: 0.139

Valence (Positivity)
type: PropertyValue
value: 0.932

Loudness (dB)
type: PropertyValue
value: -6.504

Key Name
type: PropertyValue
value: F#

Mode Name
type: PropertyValue
value: Minor

Sax & Flauta Love - Cover
type: MusicAlbum
date published: 2024-02-15

La Diabla - Sax Cover
type: MusicAlbum
date published: 2024-02-15

Greatest Hits Vol 2
type: MusicAlbum
date published: 2024-03-14

We Can't be Friends (Wait For Your Love) Cover
type: MusicAlbum
date published: 2024-03-14

CRAZY
type: MusicAlbum
date published: 2025-01-20

Sax Sessions
type: MusicAlbum
date published: 2025-05-13

Sax Sessions Vol. 2
type: MusicAlbum
date published: 2025-08-12

Sax Cover - Instrumental
type: MusicAlbum
date published: 2025-10-30