Sebastian Cardenas
type: MusicGroup
popularity: 4
followers: 5
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0aa7995109a380273781b1f9d6885151f740d44161732eb3859ed76a15a8f814
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954066
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954066
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/68062b5f-1ba4-45ac-8320-6ee8fbb262e7.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/68062b5f-1ba4-45ac-8320-6ee8fbb262e7.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/68062b5f-1ba4-45ac-8320-6ee8fbb262e7
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0aa7995109a380273781b1f9d6885151f740d44161732eb3859ed76a15a8f814","name":"Sebastian Cardenas","registered_at":"2026-06-17T02:14:19Z","symbol":"NIM1249104","token_address":"0xdbfa67f090769bd42607e06991ba92446ed37ead","type":"artist","uuid":"68062b5f-1ba4-45ac-8320-6ee8fbb262e7"}
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 0x0aa7995109a380273781b1f9d6885151f740d44161732eb3859ed76a15a8f814. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/68062b5f-1ba4-45ac-8320-6ee8fbb262e7.json and https://artists.proofprofile.net/proofs/artist/68062b5f-1ba4-45ac-8320-6ee8fbb262e7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0x0aa7995109a380273781b1f9d6885151f740d44161732eb3859ed76a15a8f814","name":"Sebastian Cardenas","registered_at":"2026-06-17T02:14:19Z","symbol":"NIM1249104","token_address":"0xdbfa67f090769bd42607e06991ba92446ed37ead","type":"artist","uuid":"68062b5f-1ba4-45ac-8320-6ee8fbb262e7"}
album: ¿Dime Cómo Hago?
  type: MusicAlbum
  date published: 2025-06-25
  track: ¿Dime Cómo Hago?
    type: MusicRecording
    duration: PT4M0S
    duration ms: 240500
    explicit: false
    by artist: Sebastian Cardenas
    in album: ¿Dime Cómo Hago?
      type: MusicAlbum
      date published: 2025-06-25
    isrc code: SE6XX2566734
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-19T22:42:06+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xa8a1c611b4225ed2e48c0f71f8ec4d62c3a3b6562d0428212a14e45f5afb3e8d
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958793
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958793
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SE6XX2566734
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T01:44:50Z
    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 0xa8a1c611b4225ed2e48c0f71f8ec4d62c3a3b6562d0428212a14e45f5afb3e8d. Chain 2 (Bitcoin): anchored in block 958793 (2026-07-20T01:44:50Z), 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/SE6XX2566734.
      date published: 2026-07-20T01:44:50Z
    audio: ¿Dime Cómo Hago?
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 120.126
      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: 0.639
      additional property: Energy
        type: PropertyValue
        value: 0.753
      additional property: Speechiness
        type: PropertyValue
        value: 0.037
      additional property: Acousticness
        type: PropertyValue
        value: 0.723
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.884
      additional property: Liveness
        type: PropertyValue
        value: 0.077
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.596
      additional property: Loudness (dB)
        type: PropertyValue
        value: -4.285
      additional property: Key Name
        type: PropertyValue
        value: E
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Milena
  type: MusicAlbum
  date published: 2025-07-25