Naca
type: MusicGroup
popularity: 15
followers: 2871
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xffa53ee358548aa6d85be6a69a251b59cd2c2a8526d911aa0473e7e9b390e9f7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953827
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953827
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/fece6fe8-01c0-4c26-b5d8-a03199902460.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/fece6fe8-01c0-4c26-b5d8-a03199902460.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/fece6fe8-01c0-4c26-b5d8-a03199902460
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T19:59:56Z
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 0xffa53ee358548aa6d85be6a69a251b59cd2c2a8526d911aa0473e7e9b390e9f7. Chain 2 (Bitcoin): anchored in block 953842 (2026-06-15T22:22:30Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/fece6fe8-01c0-4c26-b5d8-a03199902460.json and https://artists.proofprofile.net/proofs/artist/fece6fe8-01c0-4c26-b5d8-a03199902460.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T22:22:30Z
album: Ciego
  type: MusicAlbum
  date published: 2021-10-01
  track: Ciego
    type: MusicRecording
    duration: PT2M17S
    duration ms: 137454
    explicit: false
    by artist: Naca
    in album: Ciego
      type: MusicAlbum
      date published: 2021-10-01
    isrc code: USHM92193021
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T03:06:39+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x148784b460a51cc66d18c142b4a79ef6066be0023327f11dd3c6101250736169
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956639
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956639
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM92193021
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-04T11:19:20Z
    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 0x148784b460a51cc66d18c142b4a79ef6066be0023327f11dd3c6101250736169. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/USHM92193021.
      date published: 2026-07-04T11:19:20Z
    audio: Ciego
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 110.017
      additional property: Musical Key
        type: PropertyValue
        value: 5
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.764
      additional property: Energy
        type: PropertyValue
        value: 0.369
      additional property: Speechiness
        type: PropertyValue
        value: 0.048
      additional property: Acousticness
        type: PropertyValue
        value: 0.479
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.143
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.115
      additional property: Loudness (dB)
        type: PropertyValue
        value: -15.958
      additional property: Key Name
        type: PropertyValue
        value: F
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Mundos Paralelos
  type: MusicAlbum
  date published: 2021-12-10
  track: Mundos Paralelos
    type: MusicRecording
    duration: PT2M50S
    duration ms: 170000
    explicit: false
    by artist: Naca
    in album: Mundos Paralelos
      type: MusicAlbum
      date published: 2021-12-10
    isrc code: USL4R2121773
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-21T17:15:31+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xfdab0b8ff88cd0e94d0cb0d6741f4826108ae92767157c16032b1d725fc05b37
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 959043
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/959043
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USL4R2121773
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-21T20:06:29Z
    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 0xfdab0b8ff88cd0e94d0cb0d6741f4826108ae92767157c16032b1d725fc05b37. Chain 2 (Bitcoin): anchored in block 959043 (2026-07-21T20:06:29Z), 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/USL4R2121773.
      date published: 2026-07-21T20:06:29Z
    audio: Mundos Paralelos
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 144.041
      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: 0.638
      additional property: Energy
        type: PropertyValue
        value: 0.237
      additional property: Speechiness
        type: PropertyValue
        value: 0.055
      additional property: Acousticness
        type: PropertyValue
        value: 0.219
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.335
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.406
      additional property: Loudness (dB)
        type: PropertyValue
        value: -20.566
      additional property: Key Name
      additional property: Mode Name
album: mi luz
album: no llames
album: NO ICE
album: A Fuego
album: Dártelo
album: Vete
album: Rompecabezas
album: Llorarás
album: Volver
album: Baja Tensión
album: Zombie
album: Gotas
album: Musa
album: Lemon Juice
album: Nubes
album: Freak
album: Hasta Cuando?
album: Paz
album: Verte

Key Name
type: PropertyValue
value: C#

Mode Name
type: PropertyValue
value: Minor

mi luz
type: MusicAlbum
date published: 2022-02-08

no llames
type: MusicAlbum
date published: 2022-04-17

NO ICE
type: MusicAlbum
date published: 2022-06-27
track: NO ICE
  type: MusicRecording
  duration: PT2M22S
  duration ms: 142566
  explicit: false
  by artist: Naca
  in album: NO ICE
    type: MusicAlbum
    date published: 2022-06-27
  isrc code: SE6SA2221820
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-16T04:14:26+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4c2db11b44ecc940eaf1854426cb8e54e52c3fdb2770719d6e10c3c650404beb
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958238
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958238
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SE6SA2221820
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-16T07:10:13Z
  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 0x4c2db11b44ecc940eaf1854426cb8e54e52c3fdb2770719d6e10c3c650404beb. Chain 2 (Bitcoin): anchored in block 958238 (2026-07-16T07:10:13Z), 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/SE6SA2221820.
    date published: 2026-07-16T07:10:13Z
  audio: NO ICE
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 130.061
    additional property: Musical Key
      type: PropertyValue
      value: 8
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.687
    additional property: Energy
      type: PropertyValue
      value: 0.622
    additional property: Speechiness
      type: PropertyValue
      value: 0.129
    additional property: Acousticness
      type: PropertyValue
      value: 0.451
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.051
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.752
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.575
    additional property: Key Name
      type: PropertyValue
      value: Ab
    additional property: Mode Name
      type: PropertyValue
      value: Minor

A Fuego
type: MusicAlbum
date published: 2022-07-23

Dártelo
type: MusicAlbum
date published: 2022-08-22

Vete
type: MusicAlbum
date published: 2022-10-04

Rompecabezas
type: MusicAlbum
date published: 2022-12-14
track: Rompecabezas
  type: MusicRecording
  duration: PT3M38S
  duration ms: 218048
  explicit: false
  by artist: Naca
  in album: Rompecabezas
    type: MusicAlbum
    date published: 2022-12-14
  isrc code: SE66N2269781
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T14:45:56+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x28eac7b7f37192f0e13ef9c71d8456351a5eb34c8a4fe1efe61a1a57cd053324
  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/SE66N2269781
  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 0x28eac7b7f37192f0e13ef9c71d8456351a5eb34c8a4fe1efe61a1a57cd053324. 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/SE66N2269781.
    date published: 2026-07-05T01:43:49Z
  audio: Rompecabezas
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 129.878
    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: 0.646
    additional property: Energy
      type: PropertyValue
      value: 0.673
    additional property: Speechiness
      type: PropertyValue
      value: 0.064
    additional property: Acousticness
      type: PropertyValue
      value: 0.685
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.115
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.34
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.173
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Llorarás
type: MusicAlbum
date published: 2023-01-29

Volver
type: MusicAlbum
date published: 2023-03-15
track: Volver
  type: MusicRecording
  duration: PT2M23S
  duration ms: 143333
  explicit: false
  by artist: Naca
  in album: Volver
    type: MusicAlbum
    date published: 2023-03-15
  isrc code: SE5752386972
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-21T18:28:02+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x82855332ff074f6c2030bf96716a3fa5c87315ef2a03f71e48c93186600fbd1d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 959047
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/959047
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SE5752386972
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-21T21:31:06Z
  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 0x82855332ff074f6c2030bf96716a3fa5c87315ef2a03f71e48c93186600fbd1d. Chain 2 (Bitcoin): anchored in block 959047 (2026-07-21T21:31:06Z), 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/SE5752386972.
    date published: 2026-07-21T21:31:06Z
  audio: Volver
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 80.959
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.61
    additional property: Energy
      type: PropertyValue
      value: 0.61
    additional property: Speechiness
      type: PropertyValue
      value: 0.073
    additional property: Acousticness
      type: PropertyValue
      value: 0.424
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.098
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.349
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.064
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Baja Tensión
type: MusicAlbum
date published: 2023-04-13

Zombie
type: MusicAlbum
date published: 2023-05-14

Gotas
type: MusicAlbum
date published: 2023-06-23

Musa
type: MusicAlbum
date published: 2023-09-08

Lemon Juice
type: MusicAlbum
date published: 2023-09-25

Nubes
type: MusicAlbum
date published: 2023-11-24

Freak
type: MusicAlbum
date published: 2024-01-26

Hasta Cuando?
type: MusicAlbum
date published: 2024-05-10

Paz
type: MusicAlbum
date published: 2024-06-03

Verte
type: MusicAlbum
date published: 2024-10-26