Las Los
type: MusicGroup
genre: retro soul
popularity: 23
followers: 2101
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x78011ac8dcaa4a875ee0af94d83ca2f5dabd0b81ad8b59867cac566c9d3c7f07
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/626f1a13-d2b5-4f62-968d-3787901613a3.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/626f1a13-d2b5-4f62-968d-3787901613a3.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/626f1a13-d2b5-4f62-968d-3787901613a3
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x78011ac8dcaa4a875ee0af94d83ca2f5dabd0b81ad8b59867cac566c9d3c7f07","name":"Las Los","registered_at":"2026-06-11T22:48:45Z","symbol":"NIM0126939","token_address":"0x7404b7dd641852d35f45b43a9aa4175f01237610","type":"artist","uuid":"626f1a13-d2b5-4f62-968d-3787901613a3"}
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 0x78011ac8dcaa4a875ee0af94d83ca2f5dabd0b81ad8b59867cac566c9d3c7f07. 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/626f1a13-d2b5-4f62-968d-3787901613a3.json and https://artists.proofprofile.net/proofs/artist/626f1a13-d2b5-4f62-968d-3787901613a3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
  text: {"copyright_id":"0x78011ac8dcaa4a875ee0af94d83ca2f5dabd0b81ad8b59867cac566c9d3c7f07","name":"Las Los","registered_at":"2026-06-11T22:48:45Z","symbol":"NIM0126939","token_address":"0x7404b7dd641852d35f45b43a9aa4175f01237610","type":"artist","uuid":"626f1a13-d2b5-4f62-968d-3787901613a3"}
album: All Through The Day
  type: MusicAlbum
  date published: 2022-07-01
album: Floating Rock
  type: MusicAlbum
  date published: 2022-09-21
album: All Through The Day (Instrumental)
  type: MusicAlbum
  date published: 2023-02-14
album: Ana
  type: MusicAlbum
  date published: 2023-04-04
album: Blink
  type: MusicAlbum
  date published: 2023-09-06
  track: Blink
    type: MusicRecording
    duration: PT2M30S
    duration ms: 150920
    explicit: true
    by artist: Las Los
    in album: Blink
      type: MusicAlbum
      date published: 2023-09-06
    genre: retro soul
    isrc code: QZTAS2300829
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-18T18:51:07+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x1d73ff684039188ed1ca96fb7dbce50c2f044c2a4282dc78065abcb0b61b5713
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958600
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958600
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTAS2300829
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T19:24:05Z
    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 0x1d73ff684039188ed1ca96fb7dbce50c2f044c2a4282dc78065abcb0b61b5713. Chain 2 (Bitcoin): anchored in block 958600 (2026-07-18T19:24:05Z), 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/QZTAS2300829.
      date published: 2026-07-18T19:24:05Z
    audio: Blink
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 90.517
      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: 0.624
      additional property: Energy
        type: PropertyValue
        value: 0.655
      additional property: Speechiness
        type: PropertyValue
        value: 0.13
      additional property: Acousticness
        type: PropertyValue
        value: 0.201
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.074
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.373
      additional property: Loudness (dB)
        type: PropertyValue
        value: -7.224
      additional property: Key Name
        type: PropertyValue
        value: F#
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: NYC
  type: MusicAlbum
  date published: 2024-02-16
  track: NYC
    type: MusicRecording
    duration: PT3M39S
    duration ms: 219680
    explicit: false
    by artist: Las Los
    in album: NYC
      type: MusicAlbum
      date published: 2024-02-16
    genre: retro soul
    isrc code: QZFZ72461248
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-20T21:02:33+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xec1229d07978ee727b83cfe4b25cd7926e55ff07bb698db6ad685aca97c05df7
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958931
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958931
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ72461248
    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
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec1229d07978ee727b83cfe4b25cd7926e55ff07bb698db6ad685aca97c05df7. 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/QZFZ72461248.
      date published: 2026-07-20T21:15:01Z
    audio: NYC
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 88.15
      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: 0.753
      additional property: Energy
        type: PropertyValue
        value: 0.358
      additional property: Speechiness
      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Heart's Desire
album: Las Los

Speechiness
type: PropertyValue
value: 0.031

Acousticness
type: PropertyValue
value: 0.267

Instrumentalness
type: PropertyValue
value: 0.637

Liveness
type: PropertyValue
value: 0.098

Valence (Positivity)
type: PropertyValue
value: 0.584

Loudness (dB)
type: PropertyValue
value: -8.57

Key Name
type: PropertyValue
value: F

Mode Name
type: PropertyValue
value: Minor

Heart's Desire
type: MusicAlbum
date published: 2024-04-12

Las Los
type: MusicAlbum
date published: 2024-04-19