Lisa & Karin
type: MusicGroup
popularity: 6
followers: 287
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x235a793fbc9c423b46229aa593215c466c5ed8fedd9681ef8c8e2d4cd74d7861
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954667
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954667
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b6f51cf3-ef68-428c-b62a-7e53a20bef3a.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b6f51cf3-ef68-428c-b62a-7e53a20bef3a.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/b6f51cf3-ef68-428c-b62a-7e53a20bef3a
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T07:29:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x235a793fbc9c423b46229aa593215c466c5ed8fedd9681ef8c8e2d4cd74d7861","name":"Lisa & Karin","registered_at":"2026-06-20T15:41:03Z","symbol":"NIM1643799","token_address":"0xfb25969f9aeac503b67839c2a93792d986aede0c","type":"artist","uuid":"b6f51cf3-ef68-428c-b62a-7e53a20bef3a"}
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 0x235a793fbc9c423b46229aa593215c466c5ed8fedd9681ef8c8e2d4cd74d7861. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b6f51cf3-ef68-428c-b62a-7e53a20bef3a.json and https://artists.proofprofile.net/proofs/artist/b6f51cf3-ef68-428c-b62a-7e53a20bef3a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T07:29:20Z
  text: {"copyright_id":"0x235a793fbc9c423b46229aa593215c466c5ed8fedd9681ef8c8e2d4cd74d7861","name":"Lisa & Karin","registered_at":"2026-06-20T15:41:03Z","symbol":"NIM1643799","token_address":"0xfb25969f9aeac503b67839c2a93792d986aede0c","type":"artist","uuid":"b6f51cf3-ef68-428c-b62a-7e53a20bef3a"}
album: Sånger och ramsor med Lisa & Karin
  type: MusicAlbum
  date published: 2016-03-08
album: Här kommer vi!
  type: MusicAlbum
  date published: 2016-10-16