Layla Costa
type: MusicGroup
popularity: 19
followers: 18
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x41bca440b5abc8180739991022e39cd4bcbb615cf3872172a6ec4cd2a30947a1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953625
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953625
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/290fe68e-9d0b-415e-82fb-e78dcb64953e.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/290fe68e-9d0b-415e-82fb-e78dcb64953e.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/290fe68e-9d0b-415e-82fb-e78dcb64953e
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T11:37:06Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x41bca440b5abc8180739991022e39cd4bcbb615cf3872172a6ec4cd2a30947a1","name":"Layla Costa","registered_at":"2026-06-14T08:41:14Z","symbol":"NIM0398818","token_address":"0x54d0860f5399829857df09b31ee9885435d0f21d","type":"artist","uuid":"290fe68e-9d0b-415e-82fb-e78dcb64953e"}
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 0x41bca440b5abc8180739991022e39cd4bcbb615cf3872172a6ec4cd2a30947a1. Chain 2 (Bitcoin): anchored in block 953625 (2026-06-14T11:37:06Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/290fe68e-9d0b-415e-82fb-e78dcb64953e.json and https://artists.proofprofile.net/proofs/artist/290fe68e-9d0b-415e-82fb-e78dcb64953e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T11:37:06Z
  text: {"copyright_id":"0x41bca440b5abc8180739991022e39cd4bcbb615cf3872172a6ec4cd2a30947a1","name":"Layla Costa","registered_at":"2026-06-14T08:41:14Z","symbol":"NIM0398818","token_address":"0x54d0860f5399829857df09b31ee9885435d0f21d","type":"artist","uuid":"290fe68e-9d0b-415e-82fb-e78dcb64953e"}
album: Power of Age
  type: MusicAlbum
  date published: 2024-03-13