Tysfjord Sang og Sement
type: MusicGroup
popularity: 5
followers: 140
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe039153fc003060ae0645b609661f405a623ed6faebc15b3cbc496a8b8ad2065
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954342
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954342
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8c769d86-3d95-49e2-bc66-3954dda1aa53.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8c769d86-3d95-49e2-bc66-3954dda1aa53.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/8c769d86-3d95-49e2-bc66-3954dda1aa53
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-19T03:22:39Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe039153fc003060ae0645b609661f405a623ed6faebc15b3cbc496a8b8ad2065","name":"Tysfjord Sang og Sement","registered_at":"2026-06-17T14:42:40Z","symbol":"NIM1427519","token_address":"0x9dd01faf00bce506470818a38ec1e9450bc12de5","type":"artist","uuid":"8c769d86-3d95-49e2-bc66-3954dda1aa53"}
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 0xe039153fc003060ae0645b609661f405a623ed6faebc15b3cbc496a8b8ad2065. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8c769d86-3d95-49e2-bc66-3954dda1aa53.json and https://artists.proofprofile.net/proofs/artist/8c769d86-3d95-49e2-bc66-3954dda1aa53.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:22:39Z
  text: {"copyright_id":"0xe039153fc003060ae0645b609661f405a623ed6faebc15b3cbc496a8b8ad2065","name":"Tysfjord Sang og Sement","registered_at":"2026-06-17T14:42:40Z","symbol":"NIM1427519","token_address":"0x9dd01faf00bce506470818a38ec1e9450bc12de5","type":"artist","uuid":"8c769d86-3d95-49e2-bc66-3954dda1aa53"}
album: Tysfjord Sang & Sement
  type: MusicAlbum
  date published: 1989-01-01
album: Med Solidarisk Hilsen
  type: MusicAlbum
  date published: 2004-01-01
album: Med Solidarisk Hilsen
  type: MusicAlbum
  date published: 2017-03-15
album: Tysfjord Sang & Sement
  type: MusicAlbum
  date published: 2017-03-15