Acqua Toffana
type: MusicGroup
popularity: 16
followers: 8558
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x28ffbb117888d84525a240b3d1317f51530f9e9923bc994b236875a4ad0208a3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953648
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953648
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4776c162-5c43-469d-bc46-173264f62e93.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4776c162-5c43-469d-bc46-173264f62e93.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/4776c162-5c43-469d-bc46-173264f62e93
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T15:20:52Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x28ffbb117888d84525a240b3d1317f51530f9e9923bc994b236875a4ad0208a3","name":"Acqua Toffana","registered_at":"2026-06-14T11:55:35Z","symbol":"NIM0445174","token_address":"0xcc99840c7b6cb9c5a236235a2cc66c72fdd940ed","type":"artist","uuid":"4776c162-5c43-469d-bc46-173264f62e93"}
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 0x28ffbb117888d84525a240b3d1317f51530f9e9923bc994b236875a4ad0208a3. Chain 2 (Bitcoin): anchored in block 953648 (2026-06-14T15:20:52Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4776c162-5c43-469d-bc46-173264f62e93.json and https://artists.proofprofile.net/proofs/artist/4776c162-5c43-469d-bc46-173264f62e93.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T15:20:52Z
  text: {"copyright_id":"0x28ffbb117888d84525a240b3d1317f51530f9e9923bc994b236875a4ad0208a3","name":"Acqua Toffana","registered_at":"2026-06-14T11:55:35Z","symbol":"NIM0445174","token_address":"0xcc99840c7b6cb9c5a236235a2cc66c72fdd940ed","type":"artist","uuid":"4776c162-5c43-469d-bc46-173264f62e93"}
album: El Veneno
  type: MusicAlbum
  date published: 2009-11-24
  track: Nuestra Vida
    type: MusicRecording
    duration: PT3M51S
    duration ms: 231306
    explicit: false
    by artist: Acqua Toffana
    in album: El Veneno
      type: MusicAlbum
      date published: 2009-11-24
    isrc code: ES6920900813
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T04:53:54+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x3358b5f3d70d351367035a06e2f575aeb1b536694485f8b5b78154aa6647cf77
    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/ES6920900813
    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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3358b5f3d70d351367035a06e2f575aeb1b536694485f8b5b78154aa6647cf77. 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/ES6920900813.
      date published: 2026-07-05T10:01:46Z
    audio: Nuestra Vida
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 87.051
      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: 0.562
      additional property: Energy
        type: PropertyValue
        value: 0.858
      additional property: Speechiness
        type: PropertyValue
        value: 0.532
      additional property: Acousticness
        type: PropertyValue
        value: 0.356
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.769
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.521
      additional property: Loudness (dB)
        type: PropertyValue
        value: -3.801
      additional property: Key Name
        type: PropertyValue
        value: F#
      additional property: Mode Name
        type: PropertyValue
        value: Minor
  track: Orgullosos
    type: MusicRecording
    duration: PT5M24S
    duration ms: 324640
    explicit: false
    by artist: Acqua Toffana
    in album: El Veneno
      type: MusicAlbum
      date published: 2009-11-24
    isrc code: ES6920900823
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-20T17:22:41+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xc644de8543229321f105eb4b3e597c522dcb56969ac6cb0628a675e7dc711a3b
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958918
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958918
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES6920900823
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T20:24:52Z
    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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc644de8543229321f105eb4b3e597c522dcb56969ac6cb0628a675e7dc711a3b. Chain 2 (Bitcoin): anchored in block 958918 (2026-07-20T20:24:52Z), 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/ES6920900823.
      date published: 2026-07-20T20:24:52Z
    audio: Orgullosos
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 93.323
      additional property: Musical Key
        type: PropertyValue
        value: 7
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.473
      additional property: Energy
        type: PropertyValue
        value: 0.873
      additional property: Speechiness
        type: PropertyValue
        value: 0.488
      additional property: Acousticness
        type: PropertyValue
        value: 0.352
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.251
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.381
      additional property: Loudness (dB)
        type: PropertyValue
        value: -3.886
      additional property: Key Name
      additional property: Mode Name
album: El veneno
album: El Veneno (10th Anniversary Deluxe Edition)
album: Trofeos

Key Name
type: PropertyValue
value: G

Mode Name
type: PropertyValue
value: Minor

El veneno
type: MusicAlbum
date published: 2009-12-04

El Veneno
type: MusicAlbum
date published: 2009-12-11

El Veneno (10th Anniversary Deluxe Edition)
type: MusicAlbum
date published: 2020-02-06
track: Nuestra Vida
  type: MusicRecording
  duration: PT3M51S
  duration ms: 231306
  explicit: true
  by artist: Acqua Toffana
  in album: El Veneno (10th Anniversary Deluxe Edition)
    type: MusicAlbum
    date published: 2020-02-06
  isrc code: QM4TW2043582
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-16T12:40:48+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x637dca9195e65e6b4f51781713285f3d7cb826cebd2d7d2cf9ff2f1f2192d878
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958300
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958300
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW2043582
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-16T16:14:30Z
  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 0x637dca9195e65e6b4f51781713285f3d7cb826cebd2d7d2cf9ff2f1f2192d878. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/QM4TW2043582.
    date published: 2026-07-16T16:14:30Z
  audio: Nuestra Vida
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 86.525
    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: 0.534
    additional property: Energy
      type: PropertyValue
      value: 0.758
    additional property: Speechiness
      type: PropertyValue
      value: 0.557
    additional property: Acousticness
      type: PropertyValue
      value: 0.223
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.703
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.539
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.026
    additional property: Key Name
      type: PropertyValue
      value: F#
    additional property: Mode Name
      type: PropertyValue
      value: Major

Trofeos
type: MusicAlbum
date published: 2020-02-07
track: Amantes Pasajeros
  type: MusicRecording
  duration: PT3M6S
  duration ms: 186003
  explicit: true
  by artist: Acqua Toffana
  in album: Trofeos
    type: MusicAlbum
    date published: 2020-02-07
  isrc code: QM4TW2046462
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-15T23:00:11+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe00eefa5e359ac6050bc95d94cdae149d5fa77ff34c94ad3b3bf52690a0b81e2
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958212
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958212
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW2046462
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-16T02:02:53Z
  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 0xe00eefa5e359ac6050bc95d94cdae149d5fa77ff34c94ad3b3bf52690a0b81e2. Chain 2 (Bitcoin): anchored in block 958212 (2026-07-16T02:02:53Z), 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/QM4TW2046462.
    date published: 2026-07-16T02:02:53Z
  audio: Amantes Pasajeros
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 92.208
    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: 0.731
    additional property: Energy
      type: PropertyValue
      value: 0.847
    additional property: Speechiness
      type: PropertyValue
      value: 0.217
    additional property: Acousticness
      type: PropertyValue
      value: 0.085
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.332
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.616
    additional property: Loudness (dB)
      type: PropertyValue
      value: -3.103
    additional property: Key Name
      type: PropertyValue
      value: Bb
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: En las Nubes (Cinema Verité)
  type: MusicRecording
  duration: PT2M54S
  duration ms: 174324
  explicit: true
  by artist: Acqua Toffana
  in album: Trofeos
    type: MusicAlbum
    date published: 2020-02-07
  isrc code: QM4TW2046464
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T11:23:52+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe26169c30191d778ca4310f63d7f8903e20d11c782abd2eb5c66d6ea6e52fbb7
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958444
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958444
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW2046464
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T19:12:23Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe26169c30191d778ca4310f63d7f8903e20d11c782abd2eb5c66d6ea6e52fbb7. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW2046464.
    date published: 2026-07-17T19:12:23Z
  audio: En las Nubes (Cinema Verité)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 84.513
    additional property: Musical Key
      type: PropertyValue
      value: 8
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.507
    additional property: Energy
      type: PropertyValue
      value: 0.577
    additional property: Speechiness
      type: PropertyValue
      value: 0.346
    additional property: Acousticness
      type: PropertyValue
      value: 0.11
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.305
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.615
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.714
    additional property: Key Name
      type: PropertyValue
      value: Ab
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: El Círculo
  type: MusicRecording
  duration: PT4M17S
  duration ms: 257061
  explicit: true
  by artist: Acqua Toffana
  in album: Trofeos
    type: MusicAlbum
    date published: 2020-02-07
  isrc code: QM4TW2046465
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-18T20:49:45+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x2e2e635d4f375eadbc4d34c35531f07f647232275e5ce36d6bfc98a6eead370d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958607
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958607
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW2046465
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: El Círculo

OTSTimestamp
type: PropertyValue
value: 2026-07-18T21:01:11Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e2e635d4f375eadbc4d34c35531f07f647232275e5ce36d6bfc98a6eead370d. Chain 2 (Bitcoin): anchored in block 958607 (2026-07-18T21:01:11Z), 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/QM4TW2046465.
date published: 2026-07-18T21:01:11Z

El Círculo
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 79.627
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: 0.566
additional property: Energy
  type: PropertyValue
  value: 0.703
additional property: Speechiness
  type: PropertyValue
  value: 0.156
additional property: Acousticness
  type: PropertyValue
  value: 0.376
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.204
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.386
additional property: Loudness (dB)
  type: PropertyValue
  value: -4.965
additional property: Key Name
  type: PropertyValue
  value: C#
additional property: Mode Name
  type: PropertyValue
  value: Major