Los Nandez
type: MusicGroup
genre: latin hip hop
popularity: 37
followers: 46426
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x83a1f09b348733bdddb404c2bce1ef324ba13d02c9894a0747a287039f5f2abf
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8f8f23de-060d-410d-803e-b5c9dcd2ce8a.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8f8f23de-060d-410d-803e-b5c9dcd2ce8a.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/8f8f23de-060d-410d-803e-b5c9dcd2ce8a
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x83a1f09b348733bdddb404c2bce1ef324ba13d02c9894a0747a287039f5f2abf","name":"Los Nandez","registered_at":"2026-06-12T04:25:11Z","symbol":"NIM0186154","token_address":"0xb22d527b2106f170a9d5cff7bacfc689866d2f52","type":"artist","uuid":"8f8f23de-060d-410d-803e-b5c9dcd2ce8a"}
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 0x83a1f09b348733bdddb404c2bce1ef324ba13d02c9894a0747a287039f5f2abf. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8f8f23de-060d-410d-803e-b5c9dcd2ce8a.json and https://artists.proofprofile.net/proofs/artist/8f8f23de-060d-410d-803e-b5c9dcd2ce8a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
  text: {"copyright_id":"0x83a1f09b348733bdddb404c2bce1ef324ba13d02c9894a0747a287039f5f2abf","name":"Los Nandez","registered_at":"2026-06-12T04:25:11Z","symbol":"NIM0186154","token_address":"0xb22d527b2106f170a9d5cff7bacfc689866d2f52","type":"artist","uuid":"8f8f23de-060d-410d-803e-b5c9dcd2ce8a"}
album: Back In The Streets
  type: MusicAlbum
  date published: 2020-01-01
album: Back In The Streets
  type: MusicAlbum
  date published: 2020-01-01
album: Los Malandrines
  type: MusicAlbum
  date published: 2020-05-28
  track: Los Malandrines
    type: MusicRecording
    duration: PT4M10S
    duration ms: 250266
    explicit: true
    by artist: Los Nandez
    in album: Los Malandrines
      type: MusicAlbum
      date published: 2020-05-28
    genre: latin hip hop
    isrc code: QZHN42011802
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-16T19:46:57+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xac6d287a5819c55bba545ad8fe891bf23d7972947b7ae8c5d552a8a42f5fcb00
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958319
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958319
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN42011802
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-16T20:12:32Z
    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 0xac6d287a5819c55bba545ad8fe891bf23d7972947b7ae8c5d552a8a42f5fcb00. Chain 2 (Bitcoin): anchored in block 958319 (2026-07-16T20:12:32Z), 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/QZHN42011802.
      date published: 2026-07-16T20:12:32Z
    audio: Los Malandrines
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 92.032
      additional property: Musical Key
        type: PropertyValue
        value: 11
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.907
      additional property: Energy
        type: PropertyValue
        value: 0.837
      additional property: Speechiness
        type: PropertyValue
        value: 0.142
      additional property: Acousticness
        type: PropertyValue
        value: 0.31
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.128
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.569
      additional property: Loudness (dB)
        type: PropertyValue
        value: -4.912
      additional property: Key Name
        type: PropertyValue
        value: B
      additional property: Mode Name
        type: PropertyValue
        value: Minor
  track: El Mundo Es Una Ruleta
    type: MusicRecording
    duration: PT4M6S
    duration ms: 246773
    explicit: true
    by artist: Los Nandez
    in album: Los Malandrines
      type: MusicAlbum
      date published: 2020-05-28
    genre: latin hip hop
    isrc code: QZHN42011803
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-29T19:14:45+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x9e6acc0a2ac0a626dc26794bf231e41991c56ad1c9112fead1cc15a54551f09a
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956375
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956375
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN42011803
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-02T16:51:38Z
    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 0x9e6acc0a2ac0a626dc26794bf231e41991c56ad1c9112fead1cc15a54551f09a. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN42011803.
      date published: 2026-07-02T16:51:38Z
    audio: El Mundo Es Una Ruleta
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 95.848
      additional property: Musical Key
        type: PropertyValue
        value: 5
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.703
      additional property: Energy
        type: PropertyValue
        value: 0.846
      additional property: Speechiness
        type: PropertyValue
        value: 0.175
      additional property: Acousticness
        type: PropertyValue
        value: 0.058
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
  track: La Historia Del Rap (Calle Cardona)
album: Sangre X Sangre
album: Covid 19 Cortometraje Musical
album: Calles de Sangre
album: Respect
album: Los Vikingos
album: Juzguenmen, Vol. Dos
album: Cali Es Cali
album: La Voz Del Pueblo
album: El Gorila Del Kongo
album: El Revolu
album: El Revolu (" REMIX ")
album: El Mandrill
album: Si Creo Lo Creo
album: EL Susurro Del Demonio
album: Un Dejavu
album: Dejavu (Audio Directo)
album: El Juicio (Audio Directo)
album: Raices
album: Corazon De Mc
album: Los Nandez (Instrumentales)
album: De Barrio En Barrio
album: Los Colombos
album: Colombia
album: Los Colombos (Instrumentales)
album: La Calle
album: Cali
album: Los Nandez (Colaboraciones)
track: Barras
track: Rapman

Liveness
type: PropertyValue
value: 0.129

Valence (Positivity)
type: PropertyValue
value: 0.63

Loudness (dB)
type: PropertyValue
value: -3.96

Key Name
type: PropertyValue
value: F

Mode Name
type: PropertyValue
value: Major

La Historia Del Rap (Calle Cardona)
type: MusicRecording
duration: PT5M54S
duration ms: 354186
explicit: true
by artist: Los Nandez
in album: Los Malandrines
  type: MusicAlbum
  date published: 2020-05-28
genre: latin hip hop
isrc code: QZHN42011811
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-21T07:35:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x293a616ff11d974443bcfa48ce86eae54a3e51499ef8d5a6ad60b4870b3fd0aa
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958985
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958985
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN42011811
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-21T08:39:15Z
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 0x293a616ff11d974443bcfa48ce86eae54a3e51499ef8d5a6ad60b4870b3fd0aa. Chain 2 (Bitcoin): anchored in block 958985 (2026-07-21T08:39:15Z), 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/QZHN42011811.
  date published: 2026-07-21T08:39:15Z
audio: La Historia Del Rap (Calle Cardona)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 94.208
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.743
  additional property: Energy
    type: PropertyValue
    value: 0.784
  additional property: Speechiness
    type: PropertyValue
    value: 0.276
  additional property: Acousticness
    type: PropertyValue
    value: 0.295
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.24
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.904
  additional property: Loudness (dB)
    type: PropertyValue
    value: -6.992
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Sangre X Sangre
type: MusicAlbum
date published: 2020-06-20
track: Asi Es Que Es (El Vizko)
  type: MusicRecording
  duration: PT2M55S
  duration ms: 175173
  explicit: true
  by artist: Los Nandez
  in album: Sangre X Sangre
    type: MusicAlbum
    date published: 2020-06-20
  genre: latin hip hop
  isrc code: QZHN32085116
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T07:47:50+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xef3d293c54b68761e6c550c7a439383386fea1ee4564dc3bfedca78f6d95eb90
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956772
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956772
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN32085116
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T10:01:46Z
  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
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef3d293c54b68761e6c550c7a439383386fea1ee4564dc3bfedca78f6d95eb90. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/QZHN32085116.
    date published: 2026-07-05T10:01:46Z
  audio: Asi Es Que Es (El Vizko)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 168.566
    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: 0.842
    additional property: Energy
      type: PropertyValue
      value: 0.832
    additional property: Speechiness
      type: PropertyValue
      value: 0.287
    additional property: Acousticness
      type: PropertyValue
      value: 0.052
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.06
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.636
    additional property: Loudness (dB)
      type: PropertyValue
      value: -2.406
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Magia Negra
  type: MusicRecording
  duration: PT4M16S
  duration ms: 256000
  explicit: true
  by artist: Los Nandez
  in album: Sangre X Sangre
    type: MusicAlbum
    date published: 2020-06-20
  genre: latin hip hop
  isrc code: QZHN32085117
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T14:08:25+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x95775bb28c4704f67fa4ea01610ce3b4cbb79b88d3838b00616d472efcc0256a
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956545
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956545
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN32085117
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T19:59:51Z
  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 0x95775bb28c4704f67fa4ea01610ce3b4cbb79b88d3838b00616d472efcc0256a. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/QZHN32085117.
    date published: 2026-07-03T19:59:51Z
  audio: Magia Negra
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 84.341
    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: 0.828
    additional property: Energy
      type: PropertyValue
      value: 0.854
    additional property: Speechiness
      type: PropertyValue
      value: 0.559
    additional property: Acousticness
      type: PropertyValue
      value: 0.366
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.09
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.561
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.588
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: La Vieja Era
  type: MusicRecording
  duration: PT5M6S
  duration ms: 306613
  explicit: true
  by artist: Los Nandez
  in album: Sangre X Sangre
    type: MusicAlbum
    date published: 2020-06-20
  genre: latin hip hop
  isrc code: QZHN32085119
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T05:39:02+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xde2f8ea75cf1826d90c8fc73ec28cdfc3ee7f55aa6ddcc1c4ce2c9b82e2c769b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958373
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958373
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: La Vieja Era
track: Tres Guerreros (Sinigual)
track: Los Nandez
track: Buscandote (El Vizko)
track: Los Super Heroes
track: Los Parces (Calle Cardona, Casino, Ceromundo)
track: Un Disco Mas (M 16)

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN32085119

OTSTimestamp
type: PropertyValue
value: 2026-07-17T08:44:48Z

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 0xde2f8ea75cf1826d90c8fc73ec28cdfc3ee7f55aa6ddcc1c4ce2c9b82e2c769b. Chain 2 (Bitcoin): anchored in block 958373 (2026-07-17T08:44:48Z), 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/QZHN32085119.
date published: 2026-07-17T08:44:48Z

La Vieja Era
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 85.397
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: 0.873
additional property: Energy
  type: PropertyValue
  value: 0.91
additional property: Speechiness
  type: PropertyValue
  value: 0.347
additional property: Acousticness
  type: PropertyValue
  value: 0.504
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.268
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.704
additional property: Loudness (dB)
  type: PropertyValue
  value: -3.311
additional property: Key Name
  type: PropertyValue
  value: G
additional property: Mode Name
  type: PropertyValue
  value: Major

Tres Guerreros (Sinigual)
type: MusicRecording
duration: PT2M6S
duration ms: 126480
explicit: true
by artist: Los Nandez
in album: Sangre X Sangre
  type: MusicAlbum
  date published: 2020-06-20
genre: latin hip hop
isrc code: QZHN32085120
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T19:39:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd98d2fab5988c7bda25ef512a2ee41eccc43c9340db8c53ccf8a77a68d616f1a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956856
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956856
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN32085120
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-27T13:31:18Z
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 0xd98d2fab5988c7bda25ef512a2ee41eccc43c9340db8c53ccf8a77a68d616f1a. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-27T13:31:18Z), 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/QZHN32085120.
  date published: 2026-07-27T13:31:18Z
audio: Tres Guerreros (Sinigual)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 93.743
  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: 0.813
  additional property: Energy
    type: PropertyValue
    value: 0.819
  additional property: Speechiness
    type: PropertyValue
    value: 0.392
  additional property: Acousticness
    type: PropertyValue
    value: 0.161
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.251
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.672
  additional property: Loudness (dB)
    type: PropertyValue
    value: -4.112
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Los Nandez
type: MusicRecording
duration: PT2M30S
duration ms: 150453
explicit: true
by artist: Los Nandez
in album: Sangre X Sangre
  type: MusicAlbum
  date published: 2020-06-20
genre: latin hip hop
isrc code: QZHN32085121
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-17T05:05:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5aec1d2954b4e46882a285eaa46e7b3e71a42ce27e7ba18c60c0b6b19d52a0d6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958371
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958371
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN32085121
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T05:45:43Z
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 0x5aec1d2954b4e46882a285eaa46e7b3e71a42ce27e7ba18c60c0b6b19d52a0d6. Chain 2 (Bitcoin): anchored in block 958371 (2026-07-17T05:45:43Z), 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/QZHN32085121.
  date published: 2026-07-17T05:45:43Z
audio: Los Nandez
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 92.423
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.863
  additional property: Energy
    type: PropertyValue
    value: 0.732
  additional property: Speechiness
    type: PropertyValue
    value: 0.301
  additional property: Acousticness
    type: PropertyValue
    value: 0.071
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.016
  additional property: Liveness
    type: PropertyValue
    value: 0.126
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.432
  additional property: Loudness (dB)
    type: PropertyValue
    value: -6.297
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Buscandote (El Vizko)
type: MusicRecording
duration: PT2M59S
duration ms: 179586
explicit: true
by artist: Los Nandez
in album: Sangre X Sangre
  type: MusicAlbum
  date published: 2020-06-20
genre: latin hip hop
isrc code: QZHN32085124
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-20T05:47:59+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x516de0b7f0b02f13dc37f42635c957f5f1b127f253a839111c405c7347a027ac
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958838
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958838
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN32085124
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-20T07:01:21Z
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 0x516de0b7f0b02f13dc37f42635c957f5f1b127f253a839111c405c7347a027ac. Chain 2 (Bitcoin): anchored in block 958838 (2026-07-20T07:01:21Z), 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/QZHN32085124.
  date published: 2026-07-20T07:01:21Z
audio: Buscandote (El Vizko)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 98.013
  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: 0.659
  additional property: Energy
    type: PropertyValue
    value: 0.735
  additional property: Speechiness
    type: PropertyValue
    value: 0.389
  additional property: Acousticness
    type: PropertyValue
    value: 0.067
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.146
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.307
  additional property: Loudness (dB)
    type: PropertyValue
    value: -2.604
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Los Super Heroes
type: MusicRecording
duration: PT2M51S
duration ms: 171306
explicit: true
by artist: Los Nandez
in album: Sangre X Sangre
  type: MusicAlbum
  date published: 2020-06-20
genre: latin hip hop
isrc code: QZHN32085125
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-21T11:16:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4dfa6eecd2db8db9759e45ec3d5b3261410fad7609bb90b64e6d320fd725f03d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 959002
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/959002
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN32085125
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-21T11:47:29Z
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 0x4dfa6eecd2db8db9759e45ec3d5b3261410fad7609bb90b64e6d320fd725f03d. Chain 2 (Bitcoin): anchored in block 959002 (2026-07-21T11:47:29Z), 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/QZHN32085125.
  date published: 2026-07-21T11:47:29Z
audio: Los Super Heroes
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 91.443
  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: 0.877
  additional property: Energy
    type: PropertyValue
    value: 0.856
  additional property: Speechiness
    type: PropertyValue
    value: 0.265
  additional property: Acousticness
    type: PropertyValue
    value: 0.489
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.087
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.922
  additional property: Loudness (dB)
    type: PropertyValue
    value: -3.628
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Los Parces (Calle Cardona, Casino, Ceromundo)
type: MusicRecording
duration: PT3M32S
duration ms: 212266
explicit: true
by artist: Los Nandez
in album: Sangre X Sangre
  type: MusicAlbum
  date published: 2020-06-20
genre: latin hip hop
isrc code: QZHN32085126
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-19T12:26:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5e660fd611c36802f3ef5f5ada311628fb5467335fb712de0294b140250f5f6d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958733
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958733
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN32085126
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-19T12:51:21Z
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 0x5e660fd611c36802f3ef5f5ada311628fb5467335fb712de0294b140250f5f6d. Chain 2 (Bitcoin): anchored in block 958733 (2026-07-19T12:51:21Z), 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/QZHN32085126.
  date published: 2026-07-19T12:51:21Z
audio: Los Parces (Calle Cardona, Casino, Ceromundo)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 93.395
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.877
  additional property: Energy
    type: PropertyValue
    value: 0.902
  additional property: Speechiness
    type: PropertyValue
    value: 0.341
  additional property: Acousticness
    type: PropertyValue
    value: 0.271
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.717
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.821
  additional property: Loudness (dB)
    type: PropertyValue
    value: -4.955
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Un Disco Mas (M 16)
type: MusicRecording
duration: PT3M55S
duration ms: 235133
explicit: true
by artist: Los Nandez
in album: Sangre X Sangre
  type: MusicAlbum
  date published: 2020-06-20
genre: latin hip hop
isrc code: QZHN32085127
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T06:29:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x437076ec76e00e110bfaf460d012f9c96aeb712eff1f02faeda81be127509eeb
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956772
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956772
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN32085127
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T10:01:46Z
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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x437076ec76e00e110bfaf460d012f9c96aeb712eff1f02faeda81be127509eeb. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/QZHN32085127.
  date published: 2026-07-05T10:01:46Z
audio: Un Disco Mas (M 16)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 186.2
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.608
  additional property: Energy
    type: PropertyValue
    value: 0.843
  additional property: Speechiness
    type: PropertyValue
    value: 0.344
  additional property: Acousticness
    type: PropertyValue
    value: 0.107
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.121
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.865
  additional property: Loudness (dB)
    type: PropertyValue
    value: -4.225
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Covid 19 Cortometraje Musical
type: MusicAlbum
date published: 2020-06-29

Calles de Sangre
type: MusicAlbum
date published: 2020-07-19
track: Tu Destino
  type: MusicRecording
  duration: PT2M12S
  duration ms: 132173
  explicit: true
  by artist: Los Nandez
  in album: Calles de Sangre
    type: MusicAlbum
    date published: 2020-07-19
  genre: latin hip hop
  isrc code: QZHNB2005437
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T10:31:46+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x2b2279746b88d28e3f01790294f03fc86be8a59009abb1bf7c7e8c257b430699
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956711
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956711
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHNB2005437
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-04T22:48:52Z
  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 0x2b2279746b88d28e3f01790294f03fc86be8a59009abb1bf7c7e8c257b430699. Chain 2 (Bitcoin): anchored in block 956711 (2026-07-04T22:48:52Z), 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/QZHNB2005437.
    date published: 2026-07-04T22:48:52Z
  audio: Tu Destino
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 99.767
    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: 0.878
    additional property: Energy
      type: PropertyValue
      value: 0.619
    additional property: Speechiness
      type: PropertyValue
      value: 0.197
    additional property: Acousticness
      type: PropertyValue
      value: 0.112
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.344
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.921
    additional property: Loudness (dB)
      type: PropertyValue
      value: -3.25
    additional property: Key Name
      type: PropertyValue
      value: Eb
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Lecciones de la Vida
  type: MusicRecording
  duration: PT4M1S
  duration ms: 241653
  explicit: true
  by artist: Los Nandez
  in album: Calles de Sangre
    type: MusicAlbum
    date published: 2020-07-19
  genre: latin hip hop
  isrc code: QZHNB2005438
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-15T08:55:28+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xcbff80d1ffc8dbefda95bc517c3bb3e24680603f08a2be51f0bdca3d44924813
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958137
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958137
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHNB2005438
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-15T11:58:07Z
  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 0xcbff80d1ffc8dbefda95bc517c3bb3e24680603f08a2be51f0bdca3d44924813. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T11:58:07Z), 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/QZHNB2005438.
    date published: 2026-07-15T11:58:07Z
  audio: Lecciones de la Vida
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 86.251
    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: 0.888
    additional property: Energy
      type: PropertyValue
      value: 0.762
    additional property: Speechiness
      type: PropertyValue
      value: 0.402
    additional property: Acousticness
      type: PropertyValue
      value: 0.49
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.074
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.963
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.002
    additional property: Key Name
      type: PropertyValue
      value: F#
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Nadie
  type: MusicRecording
  duration: PT5M0S
  duration ms: 300186
  explicit: true
  by artist: Los Nandez
  in album: Calles de Sangre
    type: MusicAlbum
    date published: 2020-07-19
  genre: latin hip hop
  isrc code: QZHNB2005439
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T02:07:36+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf46fe44f8e8e98e902eca0bc4b1e00e00c5f1caba20bfea9df6c33f84ecbf3fb
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956772
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956772
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Nadie
track: Cantando Alrevez

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHNB2005439

OTSTimestamp
type: PropertyValue
value: 2026-07-05T10:01:46Z

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 0xf46fe44f8e8e98e902eca0bc4b1e00e00c5f1caba20bfea9df6c33f84ecbf3fb. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/QZHNB2005439.
date published: 2026-07-05T10:01:46Z

Nadie
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 83.259
additional property: Musical Key
  type: PropertyValue
  value: 4
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.681
additional property: Energy
  type: PropertyValue
  value: 0.572
additional property: Speechiness
  type: PropertyValue
  value: 0.328
additional property: Acousticness
  type: PropertyValue
  value: 0.033
additional property: Instrumentalness
  type: PropertyValue
  value: 0.002
additional property: Liveness
  type: PropertyValue
  value: 0.124
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.379
additional property: Loudness (dB)
  type: PropertyValue
  value: -4.748
additional property: Key Name
  type: PropertyValue
  value: E
additional property: Mode Name
  type: PropertyValue
  value: Minor

Cantando Alrevez
type: MusicRecording
duration: PT2M56S
duration ms: 176573
explicit: true
by artist: Los Nandez
in album: Calles de Sangre
  type: MusicAlbum
  date published: 2020-07-19
genre: latin hip hop
isrc code: QZHNB2005446
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-17T13:34:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdf97cc8846464759a8bfb57948562fde6a05242d3bf80c20489361bb65fb4849
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958428
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958428
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHNB2005446
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T15:15:14Z
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 0xdf97cc8846464759a8bfb57948562fde6a05242d3bf80c20489361bb65fb4849. Chain 2 (Bitcoin): anchored in block 958428 (2026-07-17T15:15:14Z), 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/QZHNB2005446.
  date published: 2026-07-17T15:15:14Z
audio: Cantando Alrevez
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 92.179
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.767
  additional property: Energy
    type: PropertyValue
    value: 0.806
  additional property: Speechiness
    type: PropertyValue
    value: 0.444
  additional property: Acousticness
    type: PropertyValue
    value: 0.07
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.127
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.702
  additional property: Loudness (dB)
    type: PropertyValue
    value: -3.663
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Respect
type: MusicAlbum
date published: 2020-07-31
track: Mi Sol y Mi Luna
  type: MusicRecording
  duration: PT2M7S
  duration ms: 127106
  explicit: true
  by artist: Los Nandez
  in album: Respect
    type: MusicAlbum
    date published: 2020-07-31
  genre: latin hip hop
  isrc code: QZHNC2068320
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-21T07:16:34+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x76d578165a58581da1560b377bf9864f19d31377e54db59d00244bc8a3624a01
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958985
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958985
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHNC2068320
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-21T08:39:15Z
  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 0x76d578165a58581da1560b377bf9864f19d31377e54db59d00244bc8a3624a01. Chain 2 (Bitcoin): anchored in block 958985 (2026-07-21T08:39:15Z), 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/QZHNC2068320.
    date published: 2026-07-21T08:39:15Z
  audio: Mi Sol y Mi Luna
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 84.184
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.751
    additional property: Energy
      type: PropertyValue
      value: 0.577
    additional property: Speechiness
      type: PropertyValue
      value: 0.317
    additional property: Acousticness
      type: PropertyValue
      value: 0.517
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.109
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.763
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.303
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Los Vikingos
type: MusicAlbum
date published: 2020-08-21

Juzguenmen, Vol. Dos
type: MusicAlbum
date published: 2020-08-21
track: Mcs
  type: MusicRecording
  duration: PT5M0S
  duration ms: 300653
  explicit: false
  by artist: Los Nandez
  in album: Juzguenmen, Vol. Dos
    type: MusicAlbum
    date published: 2020-08-21
  genre: latin hip hop
  isrc code: QZK6N2068412
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-21T11:18:29+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xab05595a134804eebe77b94991a4bb716ac38fe9d37282b5b732d290e5ea7d7d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 959010
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/959010
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6N2068412
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-21T13:22:35Z
  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 0xab05595a134804eebe77b94991a4bb716ac38fe9d37282b5b732d290e5ea7d7d. Chain 2 (Bitcoin): anchored in block 959010 (2026-07-21T13:22:35Z), 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/QZK6N2068412.
    date published: 2026-07-21T13:22:35Z
  audio: Mcs
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 87.136
    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: 0.684
    additional property: Energy
      type: PropertyValue
      value: 0.568
    additional property: Speechiness
      type: PropertyValue
      value: 0.108
    additional property: Acousticness
      type: PropertyValue
      value: 0.46
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.272
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.156
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.167
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Major

Cali Es Cali
type: MusicAlbum
date published: 2020-09-18

La Voz Del Pueblo
type: MusicAlbum
date published: 2020-09-25

La Voz Del Pueblo
type: MusicAlbum
date published: 2021-05-28

El Gorila Del Kongo
type: MusicAlbum
date published: 2021-12-01

El Revolu
type: MusicAlbum
date published: 2022-02-28

El Revolu (" REMIX ")
type: MusicAlbum
date published: 2022-06-01

El Mandrill
type: MusicAlbum
date published: 2022-10-21

Si Creo Lo Creo
type: MusicAlbum
date published: 2023-05-11

EL Susurro Del Demonio
type: MusicAlbum
date published: 2023-07-01
track: EL Susurro Del Demonio
  type: MusicRecording
  duration: PT3M26S
  duration ms: 206704
  explicit: false
  by artist: Los Nandez
  in album: EL Susurro Del Demonio
    type: MusicAlbum
    date published: 2023-07-01
  genre: latin hip hop
  isrc code: QZMER2369576
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-20T17:32:13+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x59e3e6206aeee863f638a005e72871dbc154b0d6430c6b4503a09804027336af
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958917
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958917
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZMER2369576
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-20T17:53:56Z
  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 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 0x59e3e6206aeee863f638a005e72871dbc154b0d6430c6b4503a09804027336af. Chain 2 (Bitcoin): anchored in block 958917 (2026-07-20T17:53:56Z), 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/QZMER2369576.
    date published: 2026-07-20T17:53:56Z
  audio: EL Susurro Del Demonio
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 94.949
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.786
    additional property: Energy
      type: PropertyValue
      value: 0.788
    additional property: Speechiness
      type: PropertyValue
      value: 0.231
    additional property: Acousticness
      type: PropertyValue
      value: 0.064
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.21
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.052
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.996
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Un Dejavu
type: MusicAlbum
date published: 2023-07-28

Dejavu (Audio Directo)
type: MusicAlbum
date published: 2023-08-04

El Juicio (Audio Directo)
type: MusicAlbum
date published: 2023-09-15

Raices
type: MusicAlbum
date published: 2023-11-04
track: Raices
  type: MusicRecording
  duration: PT5M21S
  duration ms: 321120
  explicit: true
  by artist: Los Nandez
  in album: Raices
    type: MusicAlbum
    date published: 2023-11-04
  genre: latin hip hop
  isrc code: QZTBC2319398
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-20T12:23:18+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x1ab28081ef48a92dcacf32765b37137ce51dcb952f247192c52cbcf635fd25e4
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958880
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958880
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTBC2319398
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-20T15:25:14Z
  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 0x1ab28081ef48a92dcacf32765b37137ce51dcb952f247192c52cbcf635fd25e4. Chain 2 (Bitcoin): anchored in block 958880 (2026-07-20T15:25:14Z), 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/QZTBC2319398.
    date published: 2026-07-20T15:25:14Z
  audio: Raices
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 90.819
    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: 0.707
    additional property: Energy
      type: PropertyValue
      value: 0.87
    additional property: Speechiness
      type: PropertyValue
      value: 0.325
    additional property: Acousticness
      type: PropertyValue
      value: 0.185
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.132
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.731
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.5
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Major

Corazon De Mc
type: MusicAlbum
date published: 2023-11-06
track: Por Siempre
  type: MusicRecording
  duration: PT3M28S
  duration ms: 208097
  explicit: true
  by artist: Los Nandez
  in album: Corazon De Mc
    type: MusicAlbum
    date published: 2023-11-06
  genre: latin hip hop
  isrc code: QZTBC2334300
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T03:05:28+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x25c1b7bea19a65b2384e99a984caab6f02dd80b9c894a282a020530304ec933c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956476
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956476
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTBC2334300
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T09:04:44Z
  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 0x25c1b7bea19a65b2384e99a984caab6f02dd80b9c894a282a020530304ec933c. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/QZTBC2334300.
    date published: 2026-07-03T09:04:44Z
  audio: Por Siempre
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 90.009
    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: 0.803
    additional property: Energy
      type: PropertyValue
      value: 0.601
    additional property: Speechiness
      type: PropertyValue
      value: 0.373
    additional property: Acousticness
      type: PropertyValue
      value: 0.235
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.154
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.729
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.519
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Los Nandez (Instrumentales)
type: MusicAlbum
date published: 2023-11-16
track: Eres
  type: MusicRecording
  duration: PT3M36S
  duration ms: 216502
  explicit: false
  by artist: Los Nandez
  in album: Los Nandez (Instrumentales)
    type: MusicAlbum
    date published: 2023-11-16
  genre: latin hip hop
  isrc code: QZTBF2333285
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-15T09:05:09+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5f937756b4159bf7cd8479131a6b7013c574a95cc0a2ab7942f9e7f73e3a96e0
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958137
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958137
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTBF2333285
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-15T12:05:18Z
  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 0x5f937756b4159bf7cd8479131a6b7013c574a95cc0a2ab7942f9e7f73e3a96e0. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T12:05:18Z), 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/QZTBF2333285.
    date published: 2026-07-15T12:05:18Z
  audio: Eres
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 159.966
    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: 0.824
    additional property: Energy
      type: PropertyValue
      value: 0.275
    additional property: Speechiness
      type: PropertyValue
      value: 0.095
    additional property: Acousticness
      type: PropertyValue
      value: 0.003
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.051
    additional property: Liveness
      type: PropertyValue
      value: 0.283
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.823
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.951
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major

De Barrio En Barrio
type: MusicAlbum
date published: 2023-12-27

Los Colombos
type: MusicAlbum
date published: 2024-03-07

Colombia
type: MusicAlbum
date published: 2024-08-20

Los Colombos (Instrumentales)
type: MusicAlbum
date published: 2024-09-05

La Calle
type: MusicAlbum
date published: 2024-12-31

Cali
type: MusicAlbum
date published: 2025-07-25
track: Cali
  type: MusicRecording
  duration: PT5M33S
  duration ms: 333013
  explicit: false
  by artist: Los Nandez
  in album: Cali
    type: MusicAlbum
    date published: 2025-07-25
  genre: latin hip hop
  isrc code: QZTBD2572555
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T01:54:25+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4cfad2003c0653172f31832730483292b889e04aac3e9cff9bcd7532d300f177
  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/QZTBD2572555
  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 0x4cfad2003c0653172f31832730483292b889e04aac3e9cff9bcd7532d300f177. 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/QZTBD2572555.
    date published: 2026-07-03T08:56:35Z
  audio: Cali
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 174.141
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.624
    additional property: Energy
      type: PropertyValue
      value: 0.893
    additional property: Speechiness
      type: PropertyValue
      value: 0.318
    additional property: Acousticness
      type: PropertyValue
      value: 0.24
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.352
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.698
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.567
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Los Nandez (Colaboraciones)
type: MusicAlbum
date published: 2025-11-14

Barras
type: MusicRecording
duration: PT3M39S
duration ms: 219833
explicit: false
by artist: Az Endedu
by artist: Engendros Del Pantano
by artist: Los Nandez
in album: Barras
  type: MusicAlbum
  date published: 2022-10-28
isrc code: QZW9K2237691
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T22:09:09+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7ebbab1d8ec1191d77d3d048237bff58180cb28c827633344d2ccbca43156bb3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZW9K2237691
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
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 0x7ebbab1d8ec1191d77d3d048237bff58180cb28c827633344d2ccbca43156bb3. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/QZW9K2237691.
  date published: 2026-06-13T13:32:09Z
audio: Barras
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 168.312
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.735
  additional property: Energy
    type: PropertyValue
    value: 0.871
  additional property: Speechiness
    type: PropertyValue
    value: 0.33
  additional property: Acousticness
    type: PropertyValue
    value: 0.135
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.366
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.841
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.527
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Rapman
type: MusicRecording
duration: PT3M57S
duration ms: 237954
explicit: false
by artist: Big Stan
by artist: Los Nandez
in album: LA CALLE SABE MI NOMBRE
  type: MusicAlbum
  date published: 2021-04-02
genre: latin-hip-hop
isrc code: QZGLM2161014
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T19:03:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdc0b2369d41ae96e21c373db3c08b93c67444843491b130a7ed72607c0ce3aa4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGLM2161014
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
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 0xdc0b2369d41ae96e21c373db3c08b93c67444843491b130a7ed72607c0ce3aa4. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/QZGLM2161014.
  date published: 2026-07-02T03:55:08Z
audio: Rapman
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 165.685
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.792
  additional property: Energy
    type: PropertyValue
    value: 0.729
  additional property: Speechiness
    type: PropertyValue
    value: 0.43
  additional property: Acousticness
    type: PropertyValue
    value: 0.099
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.153
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.9
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.167
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Rapman
type: MusicRecording
duration: PT3M57S
duration ms: 237954
explicit: false
by artist: Big Stan
by artist: Los Nandez
in album: LA CALLE SABE MI NOMBRE
  type: MusicAlbum
  date published: 2021-04-02
genre: latin-hip-hop
isrc code: QZGLM2161014
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T19:03:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdc0b2369d41ae96e21c373db3c08b93c67444843491b130a7ed72607c0ce3aa4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGLM2161014
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
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 0xdc0b2369d41ae96e21c373db3c08b93c67444843491b130a7ed72607c0ce3aa4. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/QZGLM2161014.
  date published: 2026-06-13T13:32:09Z
audio: Rapman
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 165.685
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.792
  additional property: Energy
    type: PropertyValue
    value: 0.729
  additional property: Speechiness
    type: PropertyValue
    value: 0.43
  additional property: Acousticness
    type: PropertyValue
    value: 0.099
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.153
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.9
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.167
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Minor