Kasto 4D
type: MusicGroup
genre: mexican hip hop
popularity: 26
followers: 632
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb1d659afba3cf2aa30ce9c5dd8c9e92727379ecb35e8b1702a2590ffd4f6d66c
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/f834bb3a-f26e-4d05-966f-a5454fa1a84f.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f834bb3a-f26e-4d05-966f-a5454fa1a84f.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/f834bb3a-f26e-4d05-966f-a5454fa1a84f
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb1d659afba3cf2aa30ce9c5dd8c9e92727379ecb35e8b1702a2590ffd4f6d66c","name":"Kasto 4D","registered_at":"2026-06-12T14:02:07Z","symbol":"NIM0319455","token_address":"0x6fb183721af31a52692f87329395c9ae22f1e619","type":"artist","uuid":"f834bb3a-f26e-4d05-966f-a5454fa1a84f"}
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 0xb1d659afba3cf2aa30ce9c5dd8c9e92727379ecb35e8b1702a2590ffd4f6d66c. 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/f834bb3a-f26e-4d05-966f-a5454fa1a84f.json and https://artists.proofprofile.net/proofs/artist/f834bb3a-f26e-4d05-966f-a5454fa1a84f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
  text: {"copyright_id":"0xb1d659afba3cf2aa30ce9c5dd8c9e92727379ecb35e8b1702a2590ffd4f6d66c","name":"Kasto 4D","registered_at":"2026-06-12T14:02:07Z","symbol":"NIM0319455","token_address":"0x6fb183721af31a52692f87329395c9ae22f1e619","type":"artist","uuid":"f834bb3a-f26e-4d05-966f-a5454fa1a84f"}
album: Piratas De Noche
  type: MusicAlbum
  date published: 2025-01-17
album: Vida Pandillera
  type: MusicAlbum
  date published: 2025-01-17
album: Mi Santito Me Cuida
  type: MusicAlbum
  date published: 2025-01-17
album: Conecta Flow
  type: MusicAlbum
  date published: 2025-01-17
track: Plakoson
track: Vienen y Van

Plakoson
type: MusicRecording
duration: PT6M43S
duration ms: 403018
explicit: false
by artist: Under Side 821
by artist: Lefty Sm
by artist: Kasto 4D
in album: Humildad
  type: MusicAlbum
  date published: 2023-07-21
popularity: 28
genre: mexican-hip-hop
isrc code: QZNJY2306242
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T01:04:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7f001b4fb9c7b84e0ebf1d99576833fb4030b5f2b6f39cdeca518548a0cfa56c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJY2306242
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09+00:00
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 953520
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-06-13T13:32:09+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f001b4fb9c7b84e0ebf1d99576833fb4030b5f2b6f39cdeca518548a0cfa56c. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/QZNJY2306242.
  date published: 2026-06-13T15:41:10Z
audio: Plakoson
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 131.583
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.637
  additional property: Energy
    type: PropertyValue
    value: 0.737
  additional property: Speechiness
    type: PropertyValue
    value: 0.187
  additional property: Acousticness
    type: PropertyValue
    value: 0.008
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.095
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.471
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.684
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Vienen y Van
type: MusicRecording
duration: PT4M42S
duration ms: 282162
explicit: false
by artist: Sauceda SM
by artist: Under Side 821
by artist: Lefty Sm
by artist: Kasto 4D
in album: Vienen y Van
  type: MusicAlbum
  date published: 2023-07-12
isrc code: QM3DF2255993
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T15:44:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x04dabeff0fdb93ea7058a55887f1f8442b396046654b7db7982a7f96b17a57e8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM3DF2255993
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 953513
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-06-13T12:47:07+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04dabeff0fdb93ea7058a55887f1f8442b396046654b7db7982a7f96b17a57e8. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/QM3DF2255993.
  date published: 2026-06-13T12:47:07Z
audio: Vienen y Van
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 147.9
  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: 0.836
  additional property: Energy
    type: PropertyValue
    value: 0.671
  additional property: Speechiness
    type: PropertyValue
    value: 0.056
  additional property: Acousticness
    type: PropertyValue
    value: 0.269
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.587
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.587
  additional property: Loudness (dB)
    type: PropertyValue
    value: -5.672
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Plakoson
type: MusicRecording
duration: PT6M43S
duration ms: 403018
explicit: false
by artist: Under Side 821
by artist: Lefty Sm
by artist: Kasto 4D
in album: Plakoson
  type: MusicAlbum
  date published: 2023-03-24
genre: mexican-hip-hop
isrc code: QZGLS2332117
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T03:16:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3d3f2bbe8bed11981c62858eabfd7ffa999f1f3548e70d9aa60a6203a5cb01bd
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGLS2332117
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09+00:00
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 953520
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-06-13T13:32:09+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d3f2bbe8bed11981c62858eabfd7ffa999f1f3548e70d9aa60a6203a5cb01bd. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/QZGLS2332117.
  date published: 2026-06-13T17:25:41Z
audio: Plakoson
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 131.583
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.637
  additional property: Energy
    type: PropertyValue
    value: 0.737
  additional property: Speechiness
    type: PropertyValue
    value: 0.187
  additional property: Acousticness
    type: PropertyValue
    value: 0.008
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.095
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.471
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.684
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major