QRCLAN
type: MusicGroup
popularity: 7
followers: 676
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3e0fe40dfb94c79b73e51679a22c74495f8e407d62198426c69980b488ad9ab8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953997
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953997
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1f2ed3b6-5f73-4e2d-9f7b-3950c84a5fab.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1f2ed3b6-5f73-4e2d-9f7b-3950c84a5fab.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/1f2ed3b6-5f73-4e2d-9f7b-3950c84a5fab
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T20:07:57Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e0fe40dfb94c79b73e51679a22c74495f8e407d62198426c69980b488ad9ab8. Chain 2 (Bitcoin): anchored in block 953997 (2026-06-16T20:07:57Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1f2ed3b6-5f73-4e2d-9f7b-3950c84a5fab.json and https://artists.proofprofile.net/proofs/artist/1f2ed3b6-5f73-4e2d-9f7b-3950c84a5fab.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T20:07:57Z
album: EN FRENESÍ
  type: MusicAlbum
  date published: 2024-04-18
  track: EN FRENESÍ
    type: MusicRecording
    duration: PT3M21S
    duration ms: 201553
    explicit: false
    by artist: QRCLAN
    in album: EN FRENESÍ
      type: MusicAlbum
      date published: 2024-04-18
    isrc code: QZHNC2418567
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-19T06:07:14+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xe96bf3873ac1e7e18e49d58bfe9b319804f35e348d1d97a6f2056187f1e25fb1
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958682
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958682
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHNC2418567
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-19T06:17:12Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe96bf3873ac1e7e18e49d58bfe9b319804f35e348d1d97a6f2056187f1e25fb1. Chain 2 (Bitcoin): anchored in block 958682 (2026-07-19T06:17:12Z), 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/QZHNC2418567.
      date published: 2026-07-19T06:17:12Z
    audio: EN FRENESÍ
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 103.198
      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: 0.594
      additional property: Energy
        type: PropertyValue
        value: 0.899
      additional property: Speechiness
        type: PropertyValue
        value: 0.314
      additional property: Acousticness
        type: PropertyValue
        value: 0.471
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.422
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.63
      additional property: Loudness (dB)
        type: PropertyValue
        value: -4.514
      additional property: Key Name
        type: PropertyValue
        value: C#
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: EN FRENESÍ
  type: MusicAlbum
  date published: 2024-04-18
  track: EN FRENESÍ
    type: MusicRecording
    duration: PT3M21S
    duration ms: 201553
    explicit: false
    by artist: QRCLAN
    in album: EN FRENESÍ
      type: MusicAlbum
      date published: 2024-04-18
    isrc code: QZHNC2418567
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xe96bf3873ac1e7e18e49d58bfe9b319804f35e348d1d97a6f2056187f1e25fb1
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958857
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958857
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHNC2418567
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T12:03:40Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe96bf3873ac1e7e18e49d58bfe9b319804f35e348d1d97a6f2056187f1e25fb1. Chain 2 (Bitcoin): anchored in block 958857 (2026-07-20T12:03:40Z), 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/QZHNC2418567.
      date published: 2026-07-20T12:03:40Z
    audio: EN FRENESÍ
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 103.198
      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: 0.594
      additional property: Energy
        type: PropertyValue
        value: 0.899
      additional property: Speechiness
        type: PropertyValue
        value: 0.314
      additional property: Acousticness
        type: PropertyValue
        value: 0.471
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.422
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.63
      additional property: Loudness (dB)
        type: PropertyValue
        value: -4.514
      additional property: Key Name
      additional property: Mode Name
album: PERDER LA CHISPA
album: PECERA
album: COSTUMBRES
album: CASETE
album: FAMAS
album: EL ARTE DE ESTAR BIEN
album: VOY A DESPERTAR
album: GIRO DE GUION
album: DESPERTAR ÁUREO

Key Name
type: PropertyValue
value: C#

Mode Name
type: PropertyValue
value: Major

PERDER LA CHISPA
type: MusicAlbum
date published: 2024-05-23

PERDER LA CHISPA
type: MusicAlbum
date published: 2024-05-23

PECERA
type: MusicAlbum
date published: 2024-12-19

PECERA
type: MusicAlbum
date published: 2024-12-19
track: PECERA
  type: MusicRecording
  duration: PT2M48S
  duration ms: 168750
  explicit: false
  by artist: QRCLAN
  in album: PECERA
    type: MusicAlbum
    date published: 2024-12-19
  isrc code: QZZ7P2438241
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T20:52:23+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4f717341e7e902d959dba2f1316e41b215e636bd37986db667710e03c0554a46
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958779
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958779
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ7P2438241
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T23:53:59Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f717341e7e902d959dba2f1316e41b215e636bd37986db667710e03c0554a46. Chain 2 (Bitcoin): anchored in block 958779 (2026-07-19T23:53:59Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ7P2438241.
    date published: 2026-07-19T23:53:59Z
  audio: PECERA
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 80.587
    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: 0.633
    additional property: Energy
      type: PropertyValue
      value: 0.735
    additional property: Speechiness
      type: PropertyValue
      value: 0.245
    additional property: Acousticness
      type: PropertyValue
      value: 0.171
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.291
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.592
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.773
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major

COSTUMBRES
type: MusicAlbum
date published: 2025-02-14
track: COSTUMBRES
  type: MusicRecording
  duration: PT2M24S
  duration ms: 144023
  explicit: true
  by artist: QRCLAN
  in album: COSTUMBRES
    type: MusicAlbum
    date published: 2025-02-14
  isrc code: QZDA72583717
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T13:13:20+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xbe4a3dc7faf358f4b3a5d14eb4c97e4af0c800b04d17ff515387a6629fab2685
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956725
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956725
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZDA72583717
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T01:12:41Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe4a3dc7faf358f4b3a5d14eb4c97e4af0c800b04d17ff515387a6629fab2685. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/QZDA72583717.
    date published: 2026-07-05T01:12:41Z
  audio: COSTUMBRES
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 80.619
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.574
    additional property: Energy
      type: PropertyValue
      value: 0.785
    additional property: Speechiness
      type: PropertyValue
      value: 0.209
    additional property: Acousticness
      type: PropertyValue
      value: 0.367
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.471
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.746
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.716
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Minor

CASETE
type: MusicAlbum
date published: 2025-03-29

CASETE
type: MusicAlbum
date published: 2025-03-29
track: CASETE
  type: MusicRecording
  duration: PT2M35S
  duration ms: 155520
  explicit: false
  by artist: QRCLAN
  in album: CASETE
    type: MusicAlbum
    date published: 2025-03-29
  isrc code: QZK6Q2509945
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T22:43:28+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6bc2a724b2f026d838f31f4d91ce997ce8586daeb8661b4e7bbb517267fdcdfd
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958461
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958461
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6Q2509945
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T23:18:11Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6bc2a724b2f026d838f31f4d91ce997ce8586daeb8661b4e7bbb517267fdcdfd. Chain 2 (Bitcoin): anchored in block 958461 (2026-07-17T23:18:11Z), 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/QZK6Q2509945.
    date published: 2026-07-17T23:18:11Z
  audio: CASETE
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 124.998
    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.769
    additional property: Energy
      type: PropertyValue
      value: 0.945
    additional property: Speechiness
      type: PropertyValue
      value: 0.18
    additional property: Acousticness
      type: PropertyValue
      value: 0.097
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.342
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.862
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.17
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Major

FAMAS
type: MusicAlbum
date published: 2025-05-18

FAMAS
type: MusicAlbum
date published: 2025-05-18
track: FAMAS
  type: MusicRecording
  duration: PT2M11S
  duration ms: 131489
  explicit: false
  by artist: QRCLAN
  in album: FAMAS
    type: MusicAlbum
    date published: 2025-05-18
  isrc code: QZNWV2553897
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-13T01:25:29+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6ba40ca034f3d163efe277889b099ed3385c73c4fd0fd5d810fa800149f2bca5
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957785
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957785
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNWV2553897
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-13T01:55:31Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ba40ca034f3d163efe277889b099ed3385c73c4fd0fd5d810fa800149f2bca5. Chain 2 (Bitcoin): anchored in block 957785 (2026-07-13T01:55:31Z), 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/QZNWV2553897.
    date published: 2026-07-13T01:55:31Z
  audio: FAMAS
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 93.806
    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: 0.761
    additional property: Energy
      type: PropertyValue
      value: 0.828
    additional property: Speechiness
      type: PropertyValue
      value: 0.267
    additional property: Acousticness
      type: PropertyValue
      value: 0.329
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.03
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.92
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.594
    additional property: Key Name
      type: PropertyValue
      value: Bb
    additional property: Mode Name
      type: PropertyValue
      value: Minor

EL ARTE DE ESTAR BIEN
type: MusicAlbum
date published: 2025-07-03
track: EL ARTE DE ESTAR BIEN
  type: MusicRecording
  duration: PT3M14S
  duration ms: 194400
  explicit: false
  by artist: QRCLAN
  in album: EL ARTE DE ESTAR BIEN
    type: MusicAlbum
    date published: 2025-07-03
  isrc code: QZWV32518919
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T02:21:14+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x1fbcfe122c75526e79081a6f4b48a87f87814d431e71bd84cf6a4bd7a8cc77a1
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956656
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956656
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWV32518919
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-04T14:03:39Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1fbcfe122c75526e79081a6f4b48a87f87814d431e71bd84cf6a4bd7a8cc77a1. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/QZWV32518919.
    date published: 2026-07-04T14:03:39Z
  audio: EL ARTE DE ESTAR BIEN
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 100.085
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.783
    additional property: Energy
      type: PropertyValue
      value: 0.64
    additional property: Speechiness
      type: PropertyValue
      value: 0.351
    additional property: Acousticness
      type: PropertyValue
      value: 0.274
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.188
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.695
    additional property: Loudness (dB)
      type: PropertyValue
      value: -14.15
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major

VOY A DESPERTAR
type: MusicAlbum
date published: 2025-08-02

GIRO DE GUION
type: MusicAlbum
date published: 2025-08-31
track: GIRO DE GUION
  type: MusicRecording
  duration: PT3M13S
  duration ms: 193521
  explicit: true
  by artist: QRCLAN
  in album: GIRO DE GUION
    type: MusicAlbum
    date published: 2025-08-31
  isrc code: QZZ8A2517798
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T18:43:52+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xfea9c9c8b4d6577945a85eaebc298746bd77dfb9099238e41ae374fc8f5674e5
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958771
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958771
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ8A2517798
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T21:44:46Z
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfea9c9c8b4d6577945a85eaebc298746bd77dfb9099238e41ae374fc8f5674e5. Chain 2 (Bitcoin): anchored in block 958771 (2026-07-19T21:44:46Z), 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/QZZ8A2517798.
    date published: 2026-07-19T21:44:46Z
  audio: GIRO DE GUION
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 176.845
    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: 0.54
    additional property: Energy
      type: PropertyValue
      value: 0.59
    additional property: Speechiness
      type: PropertyValue
      value: 0.363
    additional property: Acousticness
      type: PropertyValue
      value: 0.125
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.092
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.787
    additional property: Loudness (dB)
      type: PropertyValue
      value: -11.335
    additional property: Key Name
      type: PropertyValue
      value: F#
    additional property: Mode Name
      type: PropertyValue
      value: Minor

DESPERTAR ÁUREO
type: MusicAlbum
date published: 2025-09-30