Quinteto Ángel
type: MusicGroup
genre: tango
popularity: 20
followers: 943
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x204c81a63115db7688b38b7cecc4159dd78d963f90c86a885330d1e9b83ff4f9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953817
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953817
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/fa7a209f-f179-4227-90d2-6b9cc3ee46ef.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/fa7a209f-f179-4227-90d2-6b9cc3ee46ef.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/fa7a209f-f179-4227-90d2-6b9cc3ee46ef
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T18:10:31Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x204c81a63115db7688b38b7cecc4159dd78d963f90c86a885330d1e9b83ff4f9","name":"Quinteto Ángel","registered_at":"2026-06-15T06:45:35Z","symbol":"NIM0714842","token_address":"0xc10906548e090a1551e7b18f08134f40450e6094","type":"artist","uuid":"fa7a209f-f179-4227-90d2-6b9cc3ee46ef"}
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 0x204c81a63115db7688b38b7cecc4159dd78d963f90c86a885330d1e9b83ff4f9. Chain 2 (Bitcoin): anchored in block 953817 (2026-06-15T18:10:31Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/fa7a209f-f179-4227-90d2-6b9cc3ee46ef.json and https://artists.proofprofile.net/proofs/artist/fa7a209f-f179-4227-90d2-6b9cc3ee46ef.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T18:10:31Z
  text: {"copyright_id":"0x204c81a63115db7688b38b7cecc4159dd78d963f90c86a885330d1e9b83ff4f9","name":"Quinteto Ángel","registered_at":"2026-06-15T06:45:35Z","symbol":"NIM0714842","token_address":"0xc10906548e090a1551e7b18f08134f40450e6094","type":"artist","uuid":"fa7a209f-f179-4227-90d2-6b9cc3ee46ef"}
album: Danzarin
  type: MusicAlbum
  date published: 2005-01-01
  track: 9 de julio
    type: MusicRecording
    duration: PT2M58S
    duration ms: 178000
    explicit: false
    by artist: Quinteto Ángel
    in album: Danzarin
      type: MusicAlbum
      date published: 2005-01-01
    genre: tango
    isrc code: USHM20783789
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T11:13:28+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xa7ab789f033569df9d05bf8d1f94bb6c7fa416c4114b82b9b2abda332f0f4ed5
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956822
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956822
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM20783789
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T18:48:28Z
    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 0xa7ab789f033569df9d05bf8d1f94bb6c7fa416c4114b82b9b2abda332f0f4ed5. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/USHM20783789.
      date published: 2026-07-05T18:48:28Z
    audio: 9 de julio
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 112.087
      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: 0.753
      additional property: Energy
        type: PropertyValue
        value: 0.322
      additional property: Speechiness
        type: PropertyValue
        value: 0.038
      additional property: Acousticness
        type: PropertyValue
        value: 0.945
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.595
      additional property: Liveness
        type: PropertyValue
        value: 0.084
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.728
      additional property: Loudness (dB)
        type: PropertyValue
        value: -8.675
      additional property: Key Name
        type: PropertyValue
        value: G
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Sábado Inglés
  type: MusicAlbum
  date published: 2006-01-01
  track: Sentimiento Gaucho
    type: MusicRecording
    duration: PT3M8S
    duration ms: 188040
    explicit: false
    by artist: Quinteto Ángel
    in album: Sábado Inglés
      type: MusicAlbum
      date published: 2006-01-01
    genre: tango
    isrc code: USHM80733234
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T03:29:09+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x0158a332236307655f4644bdc42d919c9375b55bd06b2125cae1cee35194379e
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956484
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956484
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM80733234
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-03T10:47:44Z
    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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0158a332236307655f4644bdc42d919c9375b55bd06b2125cae1cee35194379e. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/USHM80733234.
      date published: 2026-07-03T10:47:44Z
    audio: Sentimiento Gaucho
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 120.788
      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: 0.677
      additional property: Energy
        type: PropertyValue
        value: 0.186
      additional property: Speechiness
        type: PropertyValue
        value: 0.034
      additional property: Acousticness
        type: PropertyValue
        value: 0.909
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.85
      additional property: Liveness
        type: PropertyValue
        value: 0.075
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Final de fiesta
album: 5 Al Tango
album: Alma, Corazón Y Vida

Valence (Positivity)
type: PropertyValue
value: 0.578

Loudness (dB)
type: PropertyValue
value: -13.663

Key Name
type: PropertyValue
value: G

Mode Name
type: PropertyValue
value: Major

Final de fiesta
type: MusicAlbum
date published: 2009-01-12
track: Ensueños
  type: MusicRecording
  duration: PT3M13S
  duration ms: 193040
  explicit: false
  by artist: Quinteto Ángel
  in album: Final de fiesta
    type: MusicAlbum
    date published: 2009-01-12
  genre: tango
  isrc code: USCGH1001773
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T03:07:18+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6b750712a3a1228fa03ae122b73a46f8e5a213b599a0c7153e19a0f6633fa2e0
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958357
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958357
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCGH1001773
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T03:33:42Z
  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 0x6b750712a3a1228fa03ae122b73a46f8e5a213b599a0c7153e19a0f6633fa2e0. Chain 2 (Bitcoin): anchored in block 958357 (2026-07-17T03:33:42Z), 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/USCGH1001773.
    date published: 2026-07-17T03:33:42Z
  audio: Ensueños
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 103.376
    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: 0.636
    additional property: Energy
      type: PropertyValue
      value: 0.299
    additional property: Speechiness
      type: PropertyValue
      value: 0.034
    additional property: Acousticness
      type: PropertyValue
      value: 0.876
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.756
    additional property: Liveness
      type: PropertyValue
      value: 0.148
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.646
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.092
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Minor

5 Al Tango
type: MusicAlbum
date published: 2014-03-01

Alma, Corazón Y Vida
type: MusicAlbum
date published: 2021-02-15