Leon Ou
type: MusicGroup
popularity: 15
followers: 324
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4f132aa98c20306470e0409469ffb4856cceb3122665e01308768b6e489e10b2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953592
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953592
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0644aaa4-21b4-4e4f-a80a-02aea2f0f854.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0644aaa4-21b4-4e4f-a80a-02aea2f0f854.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/0644aaa4-21b4-4e4f-a80a-02aea2f0f854
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T05:36:59Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4f132aa98c20306470e0409469ffb4856cceb3122665e01308768b6e489e10b2","name":"Leon Ou","registered_at":"2026-06-14T05:04:36Z","symbol":"NIM0347179","token_address":"0xa6fa859d5924571216a11d36cb36bd23738c31c0","type":"artist","uuid":"0644aaa4-21b4-4e4f-a80a-02aea2f0f854"}
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f132aa98c20306470e0409469ffb4856cceb3122665e01308768b6e489e10b2. Chain 2 (Bitcoin): anchored in block 953592 (2026-06-14T05:36:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0644aaa4-21b4-4e4f-a80a-02aea2f0f854.json and https://artists.proofprofile.net/proofs/artist/0644aaa4-21b4-4e4f-a80a-02aea2f0f854.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-14T05:36:59Z
  text: {"copyright_id":"0x4f132aa98c20306470e0409469ffb4856cceb3122665e01308768b6e489e10b2","name":"Leon Ou","registered_at":"2026-06-14T05:04:36Z","symbol":"NIM0347179","token_address":"0xa6fa859d5924571216a11d36cb36bd23738c31c0","type":"artist","uuid":"0644aaa4-21b4-4e4f-a80a-02aea2f0f854"}
album: Hisa Dydeng
  type: MusicAlbum
  date published: 2021-01-19
album: Nkingha Ya Mali
  type: MusicAlbum
  date published: 2023-09-23
album: Savannah
  type: MusicAlbum
  date published: 2023-10-06
album: Xikwembu
  type: MusicAlbum
  date published: 2023-10-08
  track: Xikwembu
    type: MusicRecording
    duration: PT3M37S
    duration ms: 217768
    explicit: false
    by artist: Leon Ou
    in album: Xikwembu
      type: MusicAlbum
      date published: 2023-10-08
    isrc code: QZTB62345190
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-17T17:14:07+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x3a2cbd35a6c2fec55d322091671dac0de9dd873df9bca5c65ba42ee9bf79041d
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958444
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958444
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTB62345190
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T19:12:23Z
    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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a2cbd35a6c2fec55d322091671dac0de9dd873df9bca5c65ba42ee9bf79041d. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTB62345190 — a six-check JSON result.
      date published: 2026-07-17T19:12:23Z
    audio: Xikwembu
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 178.052
      additional property: Musical Key
        type: PropertyValue
        value: 9
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.733
      additional property: Energy
        type: PropertyValue
        value: 0.809
      additional property: Speechiness
        type: PropertyValue
        value: 0.067
      additional property: Acousticness
        type: PropertyValue
        value: 0.661
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.28
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.958
      additional property: Loudness (dB)
        type: PropertyValue
        value: -5.109
      additional property: Key Name
        type: PropertyValue
        value: A
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Lord's Prayer
  type: MusicAlbum
  date published: 2023-10-09
album: La Bamba
  type: MusicAlbum
  date published: 2023-10-12
album: Rirhandzu Ra Tolo
  type: MusicAlbum
  date published: 2023-10-15
album: Revelation
  type: MusicAlbum
  date published: 2023-10-16
album: Mamboni
  type: MusicAlbum
  date published: 2023-10-20
album: Mincino Ya December
  type: MusicAlbum
  date published: 2023-10-25
album: Ti Pondo
  type: MusicAlbum
  date published: 2023-11-13
album: My Life
  type: MusicAlbum
  date published: 2023-12-03
album: Divine Drum
  type: MusicAlbum
  date published: 2023-12-03
album: Going Casablanca (Ep.1)
  type: MusicAlbum
  date published: 2023-12-13
album: Dali Wam
  type: MusicAlbum
  date published: 2023-12-17
album: Ri Rhandzu Ra Hina
  type: MusicAlbum
  date published: 2023-12-20
album: Mahlomuleni (Instru)
  type: MusicAlbum
  date published: 2023-12-24
album: Mahlomuleni
  type: MusicAlbum
  date published: 2023-12-24
album: Ngilele Hotel Instrumental
  type: MusicAlbum
  date published: 2024-04-25
album: Team Loyal
  type: MusicAlbum
  date published: 2024-05-02
album: Rilo Pam Pam
  type: MusicAlbum
  date published: 2024-05-29
album: Ndhaneta
  type: MusicAlbum
  date published: 2024-08-15
album: Vanavela
  type: MusicAlbum
  date published: 2024-08-17
album: Brazilian Boy Drill
  type: MusicAlbum
  date published: 2024-09-16
album: Brazilian Boy Drill Beats
  type: MusicAlbum
  date published: 2024-09-20
  track: Brazilian Boy Drill Beats
    type: MusicRecording
    duration: PT2M49S
    duration ms: 169738
    explicit: true
    by artist: Leon Ou
    in album: Brazilian Boy Drill Beats
    isrc code: QZWFG2466080
    additional property: CopyrightID
    additional property: CopyrightStatus
    additional property: CopyrightRegisteredAt
    additional property: CopyrightChainExplorerURL
    additional property: OTSHash
    additional property: OTSBitcoinBlock
    additional property: OTSBitcoinBlockVerifyURL
    additional property: OTSVerificationAPI
    additional property: OTSTimestamp
    additional property: OTSVerifyInstructions
    subject of: OpenTimestamps Proof of Existence
    audio: Brazilian Boy Drill Beats
album: Sturuturu Sam
album: Viviane
album: Vivianne English
album: Jerusalem Amapiano
album: Brazillian Boy_ Amanheceu
album: Vivienne Song
album: Hala Madrid
album: Balthazar
album: All of me
album: Beautiful Onyinye
album: Chinese Song Amapiano
album: KASONGO
album: U Sasekile Baby
album: Christmas Yoo Christmas Mama
album: SISTER BETHINA
album: Mask Off (Amapiano)
album: Strings of the night
album: Elvina (Amapiano)
album: Ka Lifu Laka
album: Ultra Instinct Drill Beat
album: Uthando Lwethu
album: Leeto
album: Nhliyizo
album: Motho Wanga
album: Marry Me
album: Baby Shark Amapiano
album: Sweet Melody
album: Di Chopper Instru
album: Shake it to the mix
album: Spirit Lead Me

Leon Ou
type: MusicGroup

Brazilian Boy Drill Beats
type: MusicAlbum
date published: 2024-09-20

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-07-03T17:33:06+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x41a51dacd1606c7b731075a26fabcdea35f84339571264a2f486c497a96a1b48

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 956551

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/956551

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWFG2466080

OTSTimestamp
type: PropertyValue
value: 2026-07-03T21:18:05Z

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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41a51dacd1606c7b731075a26fabcdea35f84339571264a2f486c497a96a1b48. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWFG2466080 — a six-check JSON result.
date published: 2026-07-03T21:18:05Z

Brazilian Boy Drill Beats
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 140.01
additional property: Musical Key
  type: PropertyValue
  value: 2
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.748
additional property: Energy
  type: PropertyValue
  value: 0.389
additional property: Speechiness
  type: PropertyValue
  value: 0.04
additional property: Acousticness
  type: PropertyValue
  value: 0.089
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.245
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.635
additional property: Loudness (dB)
  type: PropertyValue
  value: -8.853
additional property: Key Name
  type: PropertyValue
  value: D
additional property: Mode Name
  type: PropertyValue
  value: Minor

Sturuturu Sam
type: MusicAlbum
date published: 2024-09-25

Viviane
type: MusicAlbum
date published: 2024-10-01

Vivianne English
type: MusicAlbum
date published: 2024-10-12

Jerusalem Amapiano
type: MusicAlbum
date published: 2024-10-13

Brazillian Boy_ Amanheceu
type: MusicAlbum
date published: 2024-10-27

Vivienne Song
type: MusicAlbum
date published: 2024-10-29
track: Vivienne Song
  type: MusicRecording
  duration: PT3M0S
  duration ms: 180015
  explicit: false
  by artist: Leon Ou
  in album: Vivienne Song
    type: MusicAlbum
    date published: 2024-10-29
  isrc code: QZWFL2424021
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-18T17:58:14+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x3761c43782c4349bf2a23b63671e54b2109635f9e04eeec11f91bd7d1fe4f59f
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958596
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958596
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWFL2424021
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T18:42:38Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3761c43782c4349bf2a23b63671e54b2109635f9e04eeec11f91bd7d1fe4f59f. Chain 2 (Bitcoin): anchored in block 958596 (2026-07-18T18:42:38Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWFL2424021 — a six-check JSON result.
    date published: 2026-07-18T18:42:38Z
  audio: Vivienne Song
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 124.995
    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.729
    additional property: Energy
      type: PropertyValue
      value: 0.929
    additional property: Speechiness
      type: PropertyValue
      value: 0.045
    additional property: Acousticness
      type: PropertyValue
      value: 0.012
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.004
    additional property: Liveness
      type: PropertyValue
      value: 0.049
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.828
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.501
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Major

Hala Madrid
type: MusicAlbum
date published: 2024-10-31

Balthazar
type: MusicAlbum
date published: 2024-11-11

All of me
type: MusicAlbum
date published: 2024-11-19

Beautiful Onyinye
type: MusicAlbum
date published: 2024-11-24

Chinese Song Amapiano
type: MusicAlbum
date published: 2024-12-06

KASONGO
type: MusicAlbum
date published: 2024-12-10

U Sasekile Baby
type: MusicAlbum
date published: 2024-12-14

Christmas Yoo Christmas Mama
type: MusicAlbum
date published: 2024-12-20

SISTER BETHINA
type: MusicAlbum
date published: 2025-01-15
track: SISTER BETHINA
  type: MusicRecording
  duration: PT3M2S
  duration ms: 182676
  explicit: false
  by artist: Leon Ou
  in album: SISTER BETHINA
    type: MusicAlbum
    date published: 2025-01-15
  isrc code: QZFZ62529149
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-18T10:11:01+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4d005c1fa5d0499d8721fabed450874227b39f5de7b7eb3c27cdfe4266f62c05
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958544
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958544
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ62529149
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T12:14:37Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d005c1fa5d0499d8721fabed450874227b39f5de7b7eb3c27cdfe4266f62c05. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ62529149 — a six-check JSON result.
    date published: 2026-07-18T12:14:37Z
  audio: SISTER BETHINA
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 112.972
    additional property: Musical Key
      type: PropertyValue
      value: 1
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.849
    additional property: Energy
      type: PropertyValue
      value: 0.927
    additional property: Speechiness
      type: PropertyValue
      value: 0.054
    additional property: Acousticness
      type: PropertyValue
      value: 0.014
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.813
    additional property: Liveness
      type: PropertyValue
      value: 0.024
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.741
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.367
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Mask Off (Amapiano)
type: MusicAlbum
date published: 2025-01-16

Strings of the night
type: MusicAlbum
date published: 2025-01-22

Elvina (Amapiano)
type: MusicAlbum
date published: 2025-02-06

Ka Lifu Laka
type: MusicAlbum
date published: 2025-02-10

Ultra Instinct Drill Beat
type: MusicAlbum
date published: 2025-02-10

Uthando Lwethu
type: MusicAlbum
date published: 2025-02-14

Leeto
type: MusicAlbum
date published: 2025-02-18

Nhliyizo
type: MusicAlbum
date published: 2025-02-19

Motho Wanga
type: MusicAlbum
date published: 2025-02-21

Marry Me
type: MusicAlbum
date published: 2025-02-21

Baby Shark Amapiano
type: MusicAlbum
date published: 2025-04-15

Sweet Melody
type: MusicAlbum
date published: 2025-05-04

Di Chopper Instru
type: MusicAlbum
date published: 2025-05-15

Shake it to the mix
type: MusicAlbum
date published: 2025-06-07

Spirit Lead Me
type: MusicAlbum
date published: 2025-09-03