Rifftera
type: MusicGroup
genre: melodic death metal
description: Rifftera is a Finnish metal band formed in Vaasa in 2010. Their music is influenced especially by melodic death metal and thrash metal. Rifftera's debut album Pitch Black was released in 2015 and reac
popularity: 2
followers: 1099
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4b85fa6772100f0498eb07d1bbec94a8bb9db2b1bc56dfee2155a52fe68dffbe
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954500
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954500
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9cb9844e-0ee6-4f7c-b8d6-2bcb0940173b.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9cb9844e-0ee6-4f7c-b8d6-2bcb0940173b.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/9cb9844e-0ee6-4f7c-b8d6-2bcb0940173b
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T04:47:29Z
additional property: OTSCanonicalRecord
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 0x4b85fa6772100f0498eb07d1bbec94a8bb9db2b1bc56dfee2155a52fe68dffbe. Chain 2 (Bitcoin): anchored in block 954500 (2026-06-20T04:47:29Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9cb9844e-0ee6-4f7c-b8d6-2bcb0940173b.json and https://artists.proofprofile.net/proofs/artist/9cb9844e-0ee6-4f7c-b8d6-2bcb0940173b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T04:47:29Z
album: Pitch Black
  type: MusicAlbum
  date published: 2015-08-28
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  type: MusicAlbum
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