Master MC
type: MusicGroup
genre: underground hip hop
popularity: 15
followers: 4682
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xffa32226367cd0ed397968c5ca7ffeb308611d217ee8de0a1dc955a6ce9cf61e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953778
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953778
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d01d86fc-f7ca-4f5e-ab90-635e15245159.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d01d86fc-f7ca-4f5e-ab90-635e15245159.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/d01d86fc-f7ca-4f5e-ab90-635e15245159
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T11:57:35Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xffa32226367cd0ed397968c5ca7ffeb308611d217ee8de0a1dc955a6ce9cf61e","name":"Master MC","registered_at":"2026-06-15T02:19:44Z","symbol":"NIM0651390","token_address":"0xa88d31ab7672e73f824acaa03cf5351045ba26f2","type":"artist","uuid":"d01d86fc-f7ca-4f5e-ab90-635e15245159"}
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 0xffa32226367cd0ed397968c5ca7ffeb308611d217ee8de0a1dc955a6ce9cf61e. Chain 2 (Bitcoin): anchored in block 953778 (2026-06-15T11:57:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d01d86fc-f7ca-4f5e-ab90-635e15245159.json and https://artists.proofprofile.net/proofs/artist/d01d86fc-f7ca-4f5e-ab90-635e15245159.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T11:57:35Z
  text: {"copyright_id":"0xffa32226367cd0ed397968c5ca7ffeb308611d217ee8de0a1dc955a6ce9cf61e","name":"Master MC","registered_at":"2026-06-15T02:19:44Z","symbol":"NIM0651390","token_address":"0xa88d31ab7672e73f824acaa03cf5351045ba26f2","type":"artist","uuid":"d01d86fc-f7ca-4f5e-ab90-635e15245159"}
album: Este Es Mi Tiempo
  type: MusicAlbum
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  type: MusicAlbum
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album: Mezclando Estilos
  type: MusicAlbum
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  type: MusicAlbum
  date published: 2013-03-18
album: Man of Fire
  type: MusicAlbum
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  type: MusicAlbum
  date published: 2014-04-25
album: Evolution
  type: MusicAlbum
  date published: 2014-07-22
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  type: MusicAlbum
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  type: MusicAlbum
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album: Don't Get It Twisted - Single
  type: MusicAlbum
  date published: 2016-03-31
album: Hot Like Fire
  type: MusicAlbum
  date published: 2016-12-30
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  type: MusicAlbum
  date published: 2017-02-24
album: The Secret Box
  type: MusicAlbum
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album: Yo Soy de la Calle (feat. Golo & Jay Dog 45)
  type: MusicAlbum
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album: Fallen
  type: MusicAlbum
  date published: 2018-11-09
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  type: MusicAlbum
  date published: 2019-02-01
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  type: MusicAlbum
  date published: 2019-08-02
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  type: MusicAlbum
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  type: MusicAlbum
  date published: 2019-11-08
album: Bienvenidos A Mi Selva
  type: MusicAlbum
  date published: 2019-12-27
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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: No Me Importa
  type: MusicAlbum
  date published: 2020-07-03
album: Fisher
  type: MusicAlbum
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album: Mi Tesoro
  type: MusicAlbum
  date published: 2020-08-07
album: Re Up
  type: MusicAlbum
  date published: 2020-09-11
album: Vamos a Darle
  type: MusicAlbum
  date published: 2020-10-02
album: La Vida Es Una Rutina
  type: MusicAlbum
  date published: 2020-12-04
album: Flow Fino (feat. Fno Joe)
  type: MusicAlbum
  date published: 2021-01-29
album: Vitamina
  type: MusicAlbum
  date published: 2021-05-28
album: Vivo En Soledad
  type: MusicAlbum
  date published: 2021-06-04
album: No Pares Never Stop
  type: MusicAlbum
  date published: 2021-07-16
album: No Le Voy A Bajar
  type: MusicAlbum
  date published: 2021-10-29
album: She Likes Me (Yo Le Gusto)
  type: MusicAlbum
  date published: 2022-06-17
album: Kurame
  type: MusicAlbum
  date published: 2023-04-07
album: Pata Bajo
  type: MusicAlbum
  date published: 2023-05-05
album: All For You
  type: MusicAlbum
  date published: 2023-10-27
album: Home Alone
  type: MusicAlbum
  date published: 2024-06-28
  track: Home Alone
    type: MusicRecording
    duration: PT2M30S
    duration ms: 150775
    explicit: true
    by artist: Master MC
    in album: Home Alone
      type: MusicAlbum
      date published: 2024-06-28
    genre: underground hip hop
    isrc code: USUYG1557122
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-20T14:32:09+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x56edef7d8a48230a8b08743104d03e782a91ee1b32b15763b6889564025fe9c8
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958897
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958897
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUYG1557122
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T14:57:46Z
    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
    audio: Home Alone
album: Kupido
album: Losing My Ways
album: Lokura

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56edef7d8a48230a8b08743104d03e782a91ee1b32b15763b6889564025fe9c8. Chain 2 (Bitcoin): anchored in block 958897 (2026-07-20T14:57:46Z), 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/USUYG1557122.
date published: 2026-07-20T14:57:46Z

Home Alone
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 232.024
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: 0.615
additional property: Energy
  type: PropertyValue
  value: 0.804
additional property: Speechiness
  type: PropertyValue
  value: 0.279
additional property: Acousticness
  type: PropertyValue
  value: 0.427
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.07
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.73
additional property: Loudness (dB)
  type: PropertyValue
  value: -1.789
additional property: Key Name
  type: PropertyValue
  value: Ab
additional property: Mode Name
  type: PropertyValue
  value: Major

Kupido
type: MusicAlbum
date published: 2025-02-14
track: Kupido
  type: MusicRecording
  duration: PT3M16S
  duration ms: 196593
  explicit: true
  by artist: Master MC
  in album: Kupido
    type: MusicAlbum
    date published: 2025-02-14
  genre: underground hip hop
  isrc code: USUYG1709139
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T02:01:59+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5d7942222af7dbe9fbdd68615c508625b04651aea24edf2bfa63c9abe0b7a59e
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956634
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956634
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUYG1709139
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-04T10:04:33Z
  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 0x5d7942222af7dbe9fbdd68615c508625b04651aea24edf2bfa63c9abe0b7a59e. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/USUYG1709139.
    date published: 2026-07-04T10:04:33Z
  audio: Kupido
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 165.164
    additional property: Musical Key
      type: PropertyValue
      value: 3
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.481
    additional property: Energy
      type: PropertyValue
      value: 0.685
    additional property: Speechiness
      type: PropertyValue
      value: 0.173
    additional property: Acousticness
      type: PropertyValue
      value: 0.19
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.12
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.173
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.94
    additional property: Key Name
      type: PropertyValue
      value: Eb
    additional property: Mode Name
      type: PropertyValue
      value: Major

Losing My Ways
type: MusicAlbum
date published: 2025-06-27
track: Losing My Ways
  type: MusicRecording
  duration: PT3M9S
  duration ms: 189149
  explicit: true
  by artist: Master MC
  in album: Losing My Ways
    type: MusicAlbum
    date published: 2025-06-27
  genre: underground hip hop
  isrc code: USUYG1732333
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-16T22:05:39+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x184be9e17959f270555eb710c94faac10ebc65f6d0f3621a95484899c622f4f8
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958335
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958335
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUYG1732333
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-16T22:37:47Z
  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 0x184be9e17959f270555eb710c94faac10ebc65f6d0f3621a95484899c622f4f8. Chain 2 (Bitcoin): anchored in block 958335 (2026-07-16T22:37:47Z), 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/USUYG1732333.
    date published: 2026-07-16T22:37:47Z
  audio: Losing My Ways
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 147.011
    additional property: Musical Key
      type: PropertyValue
      value: 3
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.619
    additional property: Energy
      type: PropertyValue
      value: 0.65
    additional property: Speechiness
      type: PropertyValue
      value: 0.042
    additional property: Acousticness
      type: PropertyValue
      value: 0.067
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.438
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.216
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.634
    additional property: Key Name
      type: PropertyValue
      value: Eb
    additional property: Mode Name
      type: PropertyValue
      value: Major

Lokura
type: MusicAlbum
date published: 2025-09-26
track: Lokura
  type: MusicRecording
  duration: PT3M15S
  duration ms: 195271
  explicit: true
  by artist: Master MC
  in album: Lokura
    type: MusicAlbum
    date published: 2025-09-26
  genre: underground hip hop
  isrc code: USUYG1759065
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T04:46:41+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4dd2e03fd722536f9b7ac7984aa5a43f90739916738640ff1ab89ba11f8becd4
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956474
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956474
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUYG1759065
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T08:56:35Z
  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 0x4dd2e03fd722536f9b7ac7984aa5a43f90739916738640ff1ab89ba11f8becd4. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/USUYG1759065.
    date published: 2026-07-03T08:56:35Z
  audio: Lokura
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 160.074
    additional property: Musical Key
      type: PropertyValue
      value: 8
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.806
    additional property: Energy
      type: PropertyValue
      value: 0.755
    additional property: Speechiness
      type: PropertyValue
      value: 0.177
    additional property: Acousticness
      type: PropertyValue
      value: 0.201
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.107
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.848
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.414
    additional property: Key Name
      type: PropertyValue
      value: Ab
    additional property: Mode Name
      type: PropertyValue
      value: Minor