El Reloj
type: MusicGroup
genre: argentine rock
genre: progressive rock
description: "El reloj" () is a song of the bolero genre, with music and lyrics by Mexican composer and singer Roberto Cantoral, then a member of the Los Tres Caballeros trio. History Cantoral composed the song
popularity: 21
followers: 17402
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x66ad0e8c967e933f893de50e723cd0fb0dcbb9393f0edaf6d5f94686c070d90d
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/cfe6e145-aa87-4a85-bc1f-92ee5f508f5f.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/cfe6e145-aa87-4a85-bc1f-92ee5f508f5f.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/cfe6e145-aa87-4a85-bc1f-92ee5f508f5f
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x66ad0e8c967e933f893de50e723cd0fb0dcbb9393f0edaf6d5f94686c070d90d","name":"El Reloj","registered_at":"2026-06-12T10:19:36Z","symbol":"NIM0268028","token_address":"0xb3862eac885832ca25ef4e8c5a9acebcd6271bbb","type":"artist","uuid":"cfe6e145-aa87-4a85-bc1f-92ee5f508f5f"}
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 0x66ad0e8c967e933f893de50e723cd0fb0dcbb9393f0edaf6d5f94686c070d90d. 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/cfe6e145-aa87-4a85-bc1f-92ee5f508f5f.json and https://artists.proofprofile.net/proofs/artist/cfe6e145-aa87-4a85-bc1f-92ee5f508f5f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
  text: {"copyright_id":"0x66ad0e8c967e933f893de50e723cd0fb0dcbb9393f0edaf6d5f94686c070d90d","name":"El Reloj","registered_at":"2026-06-12T10:19:36Z","symbol":"NIM0268028","token_address":"0xb3862eac885832ca25ef4e8c5a9acebcd6271bbb","type":"artist","uuid":"cfe6e145-aa87-4a85-bc1f-92ee5f508f5f"}
album: El Reloj
  type: MusicAlbum
  date published: 1975
  track: Obertura (El Reloj)/El Viejo Serafín
    type: MusicRecording
    duration: PT8M22S
    duration ms: 502120
    explicit: false
    by artist: El Reloj
    in album: El Reloj
      type: MusicAlbum
      date published: 1975
    genre: argentine rock
    genre: progressive rock
    isrc code: ARF037500064
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-17T08:53:04+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xdc286378ad516a842a5cf6752dd685efe944ad7a73156ec3a3a0eab23b91416e
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958388
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958388
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARF037500064
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T09:14:21Z
    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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc286378ad516a842a5cf6752dd685efe944ad7a73156ec3a3a0eab23b91416e. Chain 2 (Bitcoin): anchored in block 958388 (2026-07-17T09:14:21Z), 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/ARF037500064.
      date published: 2026-07-17T09:14:21Z
    audio: Obertura (El Reloj)/El Viejo Serafín
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 145.841
      additional property: Musical Key
        type: PropertyValue
        value: 9
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.327
      additional property: Energy
        type: PropertyValue
        value: 0.686
      additional property: Speechiness
        type: PropertyValue
        value: 0.097
      additional property: Acousticness
        type: PropertyValue
        value: 0.12
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.008
      additional property: Liveness
        type: PropertyValue
        value: 0.167
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.233
      additional property: Loudness (dB)
        type: PropertyValue
        value: -9.314
      additional property: Key Name
        type: PropertyValue
        value: A
      additional property: Mode Name
        type: PropertyValue
        value: Minor
  track: Hijo Del Sol Y La Tierra
    type: MusicRecording
    duration: PT5M56S
    duration ms: 356533
    explicit: false
    by artist: El Reloj
    in album: El Reloj
      type: MusicAlbum
      date published: 1975
    genre: argentine rock
    genre: progressive rock
    isrc code: ARF037500066
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-20T22:08:36+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xdbe245b7a8ac8a105efe10440253e096315b83ff86310165c8b60339bad4fbad
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958942
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958942
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARF037500066
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-21T00:24:07Z
    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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbe245b7a8ac8a105efe10440253e096315b83ff86310165c8b60339bad4fbad. Chain 2 (Bitcoin): anchored in block 958942 (2026-07-21T00:24:07Z), 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/ARF037500066.
      date published: 2026-07-21T00:24:07Z
    audio: Hijo Del Sol Y La Tierra
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 77.61
      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: 0.47
      additional property: Energy
        type: PropertyValue
        value: 0.815
      additional property: Speechiness
        type: PropertyValue
        value: 0.153
      additional property: Acousticness
        type: PropertyValue
        value: 0.161
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.115
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
  track: Alguien Más en Quien Confiar
  track: Haciendo Blues Y Jazz
  track: El Mandato - Single Version
  track: Vuelve El Día A Reinar - Single Version
  track: Blues Del Atardecer - Single Version
  track: El Hombre y el Perro
album: Hombre de Hoy
album: Mercado de Almas
album: En Concierto
album: Colección De Rock Nacional - El Reloj
album: En Concierto (Part 2)
album: En Concierto (Part 1)
album: En Vivo
album: 50 años: En vivo en el auditorio Belgrano
track: Alguien Más en Quien Confiar - '74 Single Version

Liveness
type: PropertyValue
value: 0.105

Valence (Positivity)
type: PropertyValue
value: 0.474

Loudness (dB)
type: PropertyValue
value: -9.216

Key Name
type: PropertyValue
value: B

Mode Name
type: PropertyValue
value: Minor

Alguien Más en Quien Confiar
type: MusicRecording
duration: PT5M25S
duration ms: 325773
explicit: false
by artist: El Reloj
in album: El Reloj
  type: MusicAlbum
  date published: 1975
genre: argentine rock
genre: progressive rock
isrc code: ARF037500067
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-16T13:42:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdbaeb4649f39c63bce1dfb4237831bfca3db37d27af0337b4f222d0af84708ed
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958303
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958303
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARF037500067
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-16T16:39:24Z
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 0xdbaeb4649f39c63bce1dfb4237831bfca3db37d27af0337b4f222d0af84708ed. Chain 2 (Bitcoin): anchored in block 958303 (2026-07-16T16:39:24Z), 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/ARF037500067.
  date published: 2026-07-16T16:39:24Z
audio: Alguien Más en Quien Confiar
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 98.984
  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: 0.306
  additional property: Energy
    type: PropertyValue
    value: 0.815
  additional property: Speechiness
    type: PropertyValue
    value: 0.073
  additional property: Acousticness
    type: PropertyValue
    value: 0.058
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.516
  additional property: Liveness
    type: PropertyValue
    value: 0.089
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.055
  additional property: Loudness (dB)
    type: PropertyValue
    value: -6.909
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Haciendo Blues Y Jazz
type: MusicRecording
duration: PT4M11S
duration ms: 251680
explicit: false
by artist: El Reloj
in album: El Reloj
  type: MusicAlbum
  date published: 1975
genre: argentine rock
genre: progressive rock
isrc code: ARF037500069
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-16T09:16:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x36f56ebbcd4abab767f032e1860973f802ca3f9a2dd89b8433364878cf4238dd
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958276
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958276
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARF037500069
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-16T10:20:17Z
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 0x36f56ebbcd4abab767f032e1860973f802ca3f9a2dd89b8433364878cf4238dd. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T10:20:17Z), 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/ARF037500069.
  date published: 2026-07-16T10:20:17Z
audio: Haciendo Blues Y Jazz
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 114.024
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.427
  additional property: Energy
    type: PropertyValue
    value: 0.808
  additional property: Speechiness
    type: PropertyValue
    value: 0.082
  additional property: Acousticness
    type: PropertyValue
    value: 0.01
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.229
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.68
  additional property: Loudness (dB)
    type: PropertyValue
    value: -5.962
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

El Mandato - Single Version
type: MusicRecording
duration: PT3M0S
duration ms: 180213
explicit: false
by artist: El Reloj
in album: El Reloj
  type: MusicAlbum
  date published: 1975
genre: argentine rock
genre: progressive rock
isrc code: ARF037300078
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T03:47:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xeb341ebe0c7f7ea36460c0b888e9bcbee94a5d45255d2a530448591d5a1d5892
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/ARF037300078
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 0xeb341ebe0c7f7ea36460c0b888e9bcbee94a5d45255d2a530448591d5a1d5892. 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/ARF037300078.
  date published: 2026-07-03T10:47:44Z
audio: El Mandato - Single Version
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 91.663
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.504
  additional property: Energy
    type: PropertyValue
    value: 0.772
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.076
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.467
  additional property: Liveness
    type: PropertyValue
    value: 0.634
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.803
  additional property: Loudness (dB)
    type: PropertyValue
    value: -7.365
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Vuelve El Día A Reinar - Single Version
type: MusicRecording
duration: PT3M59S
duration ms: 239960
explicit: false
by artist: El Reloj
in album: El Reloj
  type: MusicAlbum
  date published: 1975
genre: argentine rock
genre: progressive rock
isrc code: ARF037300142
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-19T04:46:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x85435ae339a97db2e6b1012d6689b66af08284981411dc5f38ac0b53fb23a953
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958667
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958667
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARF037300142
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-19T05:04:54Z
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 0x85435ae339a97db2e6b1012d6689b66af08284981411dc5f38ac0b53fb23a953. Chain 2 (Bitcoin): anchored in block 958667 (2026-07-19T05:04:54Z), 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/ARF037300142.
  date published: 2026-07-19T05:04:54Z
audio: Vuelve El Día A Reinar - Single Version
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 93.07
  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: 0.325
  additional property: Energy
    type: PropertyValue
    value: 0.824
  additional property: Speechiness
    type: PropertyValue
    value: 0.168
  additional property: Acousticness
    type: PropertyValue
    value: 0
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.256
  additional property: Liveness
    type: PropertyValue
    value: 0.287
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.714
  additional property: Loudness (dB)
    type: PropertyValue
    value: -7.578
  additional property: Key Name
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Blues Del Atardecer - Single Version
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duration: PT5M33S
duration ms: 333706
explicit: false
by artist: El Reloj
in album: El Reloj
  type: MusicAlbum
  date published: 1975
genre: argentine rock
genre: progressive rock
isrc code: ARF037400080
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARF037400080
additional property: OTSTimestamp
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  value: 2026-07-21T04:41:44Z
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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2bf4e582974eb0694729aa98db0a953595cc61efc4e79278fd72e731bc2f9fae. Chain 2 (Bitcoin): anchored in block 958951 (2026-07-21T04:41:44Z), 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/ARF037400080.
  date published: 2026-07-21T04:41:44Z
audio: Blues Del Atardecer - Single Version
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  additional property: Speechiness
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  additional property: Acousticness
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El Hombre y el Perro
type: MusicRecording
duration: PT3M19S
duration ms: 199773
explicit: false
by artist: El Reloj
in album: El Reloj
  type: MusicAlbum
  date published: 1975
genre: argentine rock
genre: progressive rock
isrc code: ARF037500070
additional property: CopyrightID
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARF037500070
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-20T21:15:01Z
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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0748c77860c07b3fd9d3d351a1ad363a45d018fe32c5dda92170558a995c02a7. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), 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/ARF037500070.
  date published: 2026-07-20T21:15:01Z
audio: El Hombre y el Perro
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El Reloj
type: MusicAlbum
date published: 1976-03-05
track: Al Borde del Abismo
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    date published: 1976-03-05
  genre: argentine rock
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARF037600112
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabfe81f84d3b304c5a44770cb4fc6eb1075b32101aef07a027c128c8287293b7. 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/ARF037600112.
    date published: 2026-07-03T19:59:51Z
  audio: Al Borde del Abismo
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    additional property: Acousticness
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track: Tema de Todas las Épocas
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    type: MusicAlbum
    date published: 1976-03-05
  genre: argentine rock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957898
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARF037600117
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-13T19:28:48Z
  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
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    date published: 2026-07-13T19:28:48Z
  audio: Tema de Todas las Épocas
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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Hombre de Hoy
type: MusicAlbum
date published: 1999-06-02

Mercado de Almas
type: MusicAlbum
date published: 2002-06-05

En Concierto
type: MusicAlbum
date published: 2003

Colección De Rock Nacional - El Reloj
type: MusicAlbum
date published: 2004-10-19

En Concierto (Part 2)
type: MusicAlbum
date published: 2011-09-15

En Concierto (Part 1)
type: MusicAlbum
date published: 2011-09-22

En Vivo
type: MusicAlbum
date published: 2018-05-21

En Vivo
type: MusicAlbum
date published: 2018-09-30
track: Alguien más en quien confiar - En vivo
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  duration: PT4M17S
  duration ms: 257436
  explicit: false
  by artist: El Reloj
  in album: En Vivo
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    date published: 2018-09-30
  genre: argentine rock
  genre: progressive rock
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
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    date published: 2026-07-08T03:20:19Z
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    additional property: Danceability
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50 años: En vivo en el auditorio Belgrano
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date published: 2022-04-09

Alguien Más en Quien Confiar - '74 Single Version
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duration: PT4M2S
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by artist: El Reloj
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popularity: 4
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additional property: CopyrightStatus
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a96e1d19b7dd2bd47df1cf826c5c2ab51289087ea84dff1e15860a3eb6b85c0. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/ARF037400116.
  date published: 2026-07-08T03:22:41Z
audio: Alguien Más en Quien Confiar - '74 Single Version
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Alguien Más en Quien Confiar - '74 Single Version
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Alguien Más en Quien Confiar - '74 Single Version
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    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor