Bossapoika
type: MusicGroup
genre: finnish pop
popularity: 3
followers: 437
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0f3611add627cb5dc754f78c74e7ee7decb6a0aefc4fc7c2adc55975a62a40f4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954025
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954025
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3900eddc-e9b8-4296-bac9-ca29fee4b50b.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3900eddc-e9b8-4296-bac9-ca29fee4b50b.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/3900eddc-e9b8-4296-bac9-ca29fee4b50b
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T00:32:47Z
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 0x0f3611add627cb5dc754f78c74e7ee7decb6a0aefc4fc7c2adc55975a62a40f4. Chain 2 (Bitcoin): anchored in block 954027 (2026-06-17T00:55:08Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3900eddc-e9b8-4296-bac9-ca29fee4b50b.json and https://artists.proofprofile.net/proofs/artist/3900eddc-e9b8-4296-bac9-ca29fee4b50b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T00:55:08Z
album: Tanssivat ihmiset ovat hulluja niiden mielestä, jotka eivät kuule musiikkia - Single
  type: MusicAlbum
  date published: 2015-12-12
album: Keulavaahtoa
  type: MusicAlbum
  date published: 2016-04-06
album: Ollaanko jo perillä?
  type: MusicAlbum
  date published: 2016-11-30
album: Ollaanko jo perillä?
  type: MusicAlbum
  date published: 2016-11-30
album: Hämärä peittää jälkemme
  type: MusicAlbum
  date published: 2017-02-17
album: Hämärä peittää jälkemme
  type: MusicAlbum
  date published: 2017-02-17
album: Sarjakuvat
  type: MusicAlbum
  date published: 2017-05-12
album: Painottomat
  type: MusicAlbum
  date published: 2017-06-09
album: Tähdet meren yllä
  type: MusicAlbum
  date published: 2017-08-18
album: Valoa ikkunassa
  type: MusicAlbum
  date published: 2018-02-09
album: Tango merellä
  type: MusicAlbum
  date published: 2018-05-11
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  type: MusicAlbum
  date published: 2018-08-17
album: Toinen
  type: MusicAlbum
  date published: 2018-08-31