Kairos
type: MusicGroup
description: thumb|Kairos relief, copy of Lysippos, in Trogir (Croatia) thumb|Kairos as portrayed in a 16th-century fresco by Francesco Salviati Kairos () is an ancient Greek word meaning 'the exact or critical t
popularity: 16
followers: 4412
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7b12565bfc608fa51836b30ce11684507207397b1e05641d2658b7d10fd8bdb8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953660
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953660
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/559bf1ec-fdf8-43cc-b9de-403af5c84d38.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/559bf1ec-fdf8-43cc-b9de-403af5c84d38.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/559bf1ec-fdf8-43cc-b9de-403af5c84d38
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T17:20:01Z
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 0x7b12565bfc608fa51836b30ce11684507207397b1e05641d2658b7d10fd8bdb8. Chain 2 (Bitcoin): anchored in block 953699 (2026-06-14T22:00:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/559bf1ec-fdf8-43cc-b9de-403af5c84d38.json and https://artists.proofprofile.net/proofs/artist/559bf1ec-fdf8-43cc-b9de-403af5c84d38.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T22:00:24Z
album: Corro A Ti
  type: MusicAlbum
  date published: 2011-05-20
  track: Tomame
    type: MusicRecording
    duration: PT3M59S
    duration ms: 239573
    explicit: false
    by artist: Kairos
    in album: Corro A Ti
      type: MusicAlbum
      date published: 2011-05-20
    isrc code: USHM21108357
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T22:53:44+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x18163f55dad8dee8355980c5b914f138cf50f4337eb6c163b386b4fc6d4f03e0
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956856
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956856
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM21108357
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-06T01:25:57Z
    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 0x18163f55dad8dee8355980c5b914f138cf50f4337eb6c163b386b4fc6d4f03e0. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/USHM21108357.
      date published: 2026-07-06T01:25:57Z
    audio: Tomame
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 179.992
      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: 0.444
      additional property: Energy
        type: PropertyValue
        value: 0.833
      additional property: Speechiness
        type: PropertyValue
        value: 0.045
      additional property: Acousticness
        type: PropertyValue
        value: 0.011
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.157
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.556
      additional property: Loudness (dB)
        type: PropertyValue
        value: -6.406
      additional property: Key Name
        type: PropertyValue
        value: E
      additional property: Mode Name
        type: PropertyValue
        value: Minor
  track: Cuanto Nos Ama
    type: MusicRecording
    duration: PT5M43S
    duration ms: 343706
    explicit: false
    by artist: Kairos
    in album: Corro A Ti
      type: MusicAlbum
      date published: 2011-05-20
    isrc code: USHM21108361
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-17T10:33:13+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xadf19460da6e216c948df0cddd9326017b6845baf9fc475fd14b4f5115b040ff
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958404
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958404
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM21108361
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T11:34:58Z
    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 0xadf19460da6e216c948df0cddd9326017b6845baf9fc475fd14b4f5115b040ff. Chain 2 (Bitcoin): anchored in block 958404 (2026-07-17T11:34:58Z), 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/USHM21108361.
      date published: 2026-07-17T11:34:58Z
    audio: Cuanto Nos Ama
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 154.047
      additional property: Musical Key
        type: PropertyValue
        value: 6
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 3
      additional property: Danceability
        type: PropertyValue
        value: 0.439
      additional property: Energy
        type: PropertyValue
        value: 0.432
      additional property: Speechiness
        type: PropertyValue
        value: 0.027
      additional property: Acousticness
        type: PropertyValue
        value: 0.266
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.102
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.26
      additional property: Loudness (dB)
        type: PropertyValue
        value: -6.384
      additional property: Key Name
      additional property: Mode Name
  track: Mi Dios
album: Sin Limites
album: Buen Padre
album: Llegas (Alfa y Omega)
album: Atmósfera

Key Name
type: PropertyValue
value: F#

Mode Name
type: PropertyValue
value: Major

Mi Dios
type: MusicRecording
duration: PT4M19S
duration ms: 259093
explicit: false
by artist: Kairos
in album: Corro A Ti
  type: MusicAlbum
  date published: 2011-05-20
isrc code: USHM21108363
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-15T23:02:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1e8f8c25442356d5552c865f043fd056cd572ebdad99d3e353c1c7feb4db6d69
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/USHM21108363
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-16T02:06:35Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e8f8c25442356d5552c865f043fd056cd572ebdad99d3e353c1c7feb4db6d69. Chain 2 (Bitcoin): anchored in block 958212 (2026-07-16T02:06:35Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM21108363.
  date published: 2026-07-16T02:06:35Z
audio: Mi Dios
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.002
  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: 0.606
  additional property: Energy
    type: PropertyValue
    value: 0.804
  additional property: Speechiness
    type: PropertyValue
    value: 0.03
  additional property: Acousticness
    type: PropertyValue
    value: 0.12
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.128
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.519
  additional property: Loudness (dB)
    type: PropertyValue
    value: -5.682
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

Sin Limites
type: MusicAlbum
date published: 2013-06-24

Buen Padre
type: MusicAlbum
date published: 2016-04-21
track: Buen Padre
  type: MusicRecording
  duration: PT5M48S
  duration ms: 348923
  explicit: false
  by artist: Kairos
  in album: Buen Padre
    type: MusicAlbum
    date published: 2016-04-21
  isrc code: USCGJ1674751
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T00:52:37+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9c80dbd5cb64cbe02685a422d04591225bca0129986691d6245a41446cf294e0
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956422
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956422
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCGJ1674751
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T01:01:38Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c80dbd5cb64cbe02685a422d04591225bca0129986691d6245a41446cf294e0. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCGJ1674751.
    date published: 2026-07-03T01:01:38Z
  audio: Buen Padre
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 143.987
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.552
    additional property: Energy
      type: PropertyValue
      value: 0.617
    additional property: Speechiness
      type: PropertyValue
      value: 0.027
    additional property: Acousticness
      type: PropertyValue
      value: 0.022
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.108
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.333
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.422
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major

Llegas (Alfa y Omega)
type: MusicAlbum
date published: 2016-08-18

Atmósfera
type: MusicAlbum
date published: 2016-09-07
track: Me Haces Cantar
  type: MusicRecording
  duration: PT4M40S
  duration ms: 280973
  explicit: false
  by artist: Kairos
  in album: Atmósfera
    type: MusicAlbum
    date published: 2016-09-07
  isrc code: USHM21675550
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T10:31:45+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb6b9b83d2ce9476b8d97384c3b7ba576cba5a14f22f9512288fa829951a8399b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958404
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958404
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM21675550
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T11:34:58Z
  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 0xb6b9b83d2ce9476b8d97384c3b7ba576cba5a14f22f9512288fa829951a8399b. Chain 2 (Bitcoin): anchored in block 958404 (2026-07-17T11:34:58Z), 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/USHM21675550.
    date published: 2026-07-17T11:34:58Z
  audio: Me Haces Cantar
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 121.988
    additional property: Musical Key
      type: PropertyValue
      value: 1
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.647
    additional property: Energy
      type: PropertyValue
      value: 0.851
    additional property: Speechiness
      type: PropertyValue
      value: 0.055
    additional property: Acousticness
      type: PropertyValue
      value: 0.008
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.002
    additional property: Liveness
      type: PropertyValue
      value: 0.413
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.425
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.337
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Tú Me Rescataste
  type: MusicRecording
  duration: PT4M9S
  duration ms: 249893
  explicit: false
  by artist: Kairos
  in album: Atmósfera
    type: MusicAlbum
    date published: 2016-09-07
  isrc code: USHM21675551
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T21:49:07+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa362ad745f5c320de3242fc5c49dcd104d4c5cf76876c899694320dfa97c70b4
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956728
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956728
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM21675551
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T01:43:49Z
  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 0xa362ad745f5c320de3242fc5c49dcd104d4c5cf76876c899694320dfa97c70b4. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/USHM21675551.
    date published: 2026-07-05T01:43:49Z
  audio: Tú Me Rescataste
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 132.945
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.696
    additional property: Energy
      type: PropertyValue
      value: 0.849
    additional property: Speechiness
      type: PropertyValue
      value: 0.037
    additional property: Acousticness
      type: PropertyValue
      value: 0.022
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.245
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.597
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.272
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Buen Padre
  type: MusicRecording
  duration: PT5M51S
  duration ms: 351760
  explicit: false
  by artist: Kairos
  in album: Atmósfera
    type: MusicAlbum
    date published: 2016-09-07
  isrc code: USHM21675552
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T16:51:05+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x262328c351a38248089ccffb02a2d46f372ad023d5fefbc84a804887e480ea97
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956728
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956728
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM21675552
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Buen Padre
track: Alfa y Omega
track: Océanos (Intro)
track: Vivo Estas
track: Aleluya

OTSTimestamp
type: PropertyValue
value: 2026-07-05T01:43:49Z

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 0x262328c351a38248089ccffb02a2d46f372ad023d5fefbc84a804887e480ea97. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/USHM21675552.
date published: 2026-07-05T01:43:49Z

Buen Padre
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 144.003
additional property: Musical Key
  type: PropertyValue
  value: 0
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 3
additional property: Danceability
  type: PropertyValue
  value: 0.486
additional property: Energy
  type: PropertyValue
  value: 0.661
additional property: Speechiness
  type: PropertyValue
  value: 0.029
additional property: Acousticness
  type: PropertyValue
  value: 0.043
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.08
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.255
additional property: Loudness (dB)
  type: PropertyValue
  value: -5.43
additional property: Key Name
  type: PropertyValue
  value: C
additional property: Mode Name
  type: PropertyValue
  value: Major

Alfa y Omega
type: MusicRecording
duration: PT4M0S
duration ms: 240266
explicit: false
by artist: Kairos
in album: Atmósfera
  type: MusicAlbum
  date published: 2016-09-07
isrc code: USHM21675554
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-18T12:13:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf3d5a522ea71e5e355d77552dd7fe3644145c2b85b0749c5aee4de4f39b9518f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958547
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958547
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM21675554
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-18T12:44:05Z
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 0xf3d5a522ea71e5e355d77552dd7fe3644145c2b85b0749c5aee4de4f39b9518f. Chain 2 (Bitcoin): anchored in block 958547 (2026-07-18T12:44:05Z), 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/USHM21675554.
  date published: 2026-07-18T12:44:05Z
audio: Alfa y Omega
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 71.933
  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: 0.385
  additional property: Energy
    type: PropertyValue
    value: 0.321
  additional property: Speechiness
    type: PropertyValue
    value: 0.027
  additional property: Acousticness
    type: PropertyValue
    value: 0.718
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.097
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.139
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.09
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Océanos (Intro)
type: MusicRecording
duration: PT2M54S
duration ms: 174440
explicit: false
by artist: Kairos
in album: Atmósfera
  type: MusicAlbum
  date published: 2016-09-07
isrc code: USHM21675555
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T10:34:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xefe08cde25684f8f4253a9890998d5c88c3f8c6b68b7dba42cc28003c6f8bb51
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956551
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956551
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM21675555
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-03T21:18:05Z
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 0xefe08cde25684f8f4253a9890998d5c88c3f8c6b68b7dba42cc28003c6f8bb51. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/USHM21675555.
  date published: 2026-07-03T21:18:05Z
audio: Océanos (Intro)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 131.739
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.421
  additional property: Energy
    type: PropertyValue
    value: 0.761
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.014
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.295
  additional property: Liveness
    type: PropertyValue
    value: 0.641
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.154
  additional property: Loudness (dB)
    type: PropertyValue
    value: -5.246
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Vivo Estas
type: MusicRecording
duration: PT4M1S
duration ms: 241346
explicit: false
by artist: Kairos
in album: Atmósfera
  type: MusicAlbum
  date published: 2016-09-07
isrc code: USHM21675556
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-14T20:58:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb231c296c25b21d57d560828d3a426be0dd69625453f56cd413c09dd43273dc1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958063
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958063
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM21675556
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-14T21:07:34Z
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 0xb231c296c25b21d57d560828d3a426be0dd69625453f56cd413c09dd43273dc1. Chain 2 (Bitcoin): anchored in block 958063 (2026-07-14T21:07:34Z), 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/USHM21675556.
  date published: 2026-07-14T21:07:34Z
audio: Vivo Estas
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 131.984
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.694
  additional property: Energy
    type: PropertyValue
    value: 0.874
  additional property: Speechiness
    type: PropertyValue
    value: 0.051
  additional property: Acousticness
    type: PropertyValue
    value: 0.007
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.069
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.633
  additional property: Loudness (dB)
    type: PropertyValue
    value: -4.015
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Aleluya
type: MusicRecording
duration: PT5M52S
duration ms: 352640
explicit: false
by artist: Kairos
in album: Atmósfera
  type: MusicAlbum
  date published: 2016-09-07
isrc code: USHM21675559
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T05:43:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf556c8cc2c9691fd8b24440ca82963f21cb17b20c9a886850cc1d2dd2bbdc489
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/USHM21675559
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 0xf556c8cc2c9691fd8b24440ca82963f21cb17b20c9a886850cc1d2dd2bbdc489. 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/USHM21675559.
  date published: 2026-07-04T14:03:39Z
audio: Aleluya
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 124.046
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.526
  additional property: Energy
    type: PropertyValue
    value: 0.594
  additional property: Speechiness
    type: PropertyValue
    value: 0.03
  additional property: Acousticness
    type: PropertyValue
    value: 0.164
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.081
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.177
  additional property: Loudness (dB)
    type: PropertyValue
    value: -5.097
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major