Tapani Siirtola
type: MusicGroup
popularity: 2
followers: 208
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x78938e2d456aaa94f75e797394c4cdfb5398a53d41c970c574622e8ac6f4dffc
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954569
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954569
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b0cabf98-e939-4726-b16b-eeed082b267c.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b0cabf98-e939-4726-b16b-eeed082b267c.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/b0cabf98-e939-4726-b16b-eeed082b267c
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T14:36:29Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x78938e2d456aaa94f75e797394c4cdfb5398a53d41c970c574622e8ac6f4dffc","name":"Tapani Siirtola","registered_at":"2026-06-20T12:21:54Z","symbol":"NIM1610772","token_address":"0xafe0588f9e1ca6c8f85f0a885250292d06279473","type":"artist","uuid":"b0cabf98-e939-4726-b16b-eeed082b267c"}
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78938e2d456aaa94f75e797394c4cdfb5398a53d41c970c574622e8ac6f4dffc. Chain 2 (Bitcoin): anchored in block 954569 (2026-06-20T14:36:29Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b0cabf98-e939-4726-b16b-eeed082b267c.json and https://artists.proofprofile.net/proofs/artist/b0cabf98-e939-4726-b16b-eeed082b267c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T14:36:29Z
  text: {"copyright_id":"0x78938e2d456aaa94f75e797394c4cdfb5398a53d41c970c574622e8ac6f4dffc","name":"Tapani Siirtola","registered_at":"2026-06-20T12:21:54Z","symbol":"NIM1610772","token_address":"0xafe0588f9e1ca6c8f85f0a885250292d06279473","type":"artist","uuid":"b0cabf98-e939-4726-b16b-eeed082b267c"}
album: Game Music Collection Vol1
  type: MusicAlbum
  date published: 2014-08-08
album: Act of God
  type: MusicAlbum
  date published: 2019-05-12
album: Act of God
  type: MusicAlbum
  date published: 2019-05-12
album: Going Down (feat. Nilka)
  type: MusicAlbum
  date published: 2021-11-19