Mika Pohjola
type: MusicGroup
genre: swedish ballads
description: Mika Pohjola ( (born December 1, 1971) is a Finnish-born jazz pianist and composer who resides in Stockholm. He is one of the most prolific Scandinavian jazz musicians in his generation. Biography C
popularity: 10
followers: 611
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xd0cd1bb1cb6910cf028eebd27a3af6d9a2d9706fcd9f6b8d309a1be98c6f7082
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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  value: https://blockstream.info/api/block-height/954618
additional property: OTSProofURL
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  value: https://artists.proofprofile.net/proofs/artist/c7f7b6de-6767-453a-bc80-08018e5f35ca.ots
additional property: OTSRecordURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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  value: 2026-06-20T23:05:13Z
additional property: OTSCanonicalRecord
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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
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  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0cd1bb1cb6910cf028eebd27a3af6d9a2d9706fcd9f6b8d309a1be98c6f7082. Chain 2 (Bitcoin): anchored in block 954618 (2026-06-20T23:05:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c7f7b6de-6767-453a-bc80-08018e5f35ca.json and https://artists.proofprofile.net/proofs/artist/c7f7b6de-6767-453a-bc80-08018e5f35ca.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T23:05:13Z
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album: The Greatest Northern Christmas Carols (Remastered)
  type: MusicAlbum
  date published: 2020-11-02