Marimba Guy
type: MusicGroup
popularity: 5
followers: 120
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x49c75b1452252167c3512288e56ed77c2c2242cb34ba4595d2bc097fbf089101
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/890640cf-be60-45f3-bc10-412594d73da8.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/890640cf-be60-45f3-bc10-412594d73da8.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/890640cf-be60-45f3-bc10-412594d73da8
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-19T03:22:39Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x49c75b1452252167c3512288e56ed77c2c2242cb34ba4595d2bc097fbf089101","name":"Marimba Guy","registered_at":"2026-06-17T13:24:29Z","symbol":"NIM1408864","token_address":"0x8c483917a99c21ac1cfa2a15ae7f0d9e6affd8a5","type":"artist","uuid":"890640cf-be60-45f3-bc10-412594d73da8"}
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 0x49c75b1452252167c3512288e56ed77c2c2242cb34ba4595d2bc097fbf089101. 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/890640cf-be60-45f3-bc10-412594d73da8.json and https://artists.proofprofile.net/proofs/artist/890640cf-be60-45f3-bc10-412594d73da8.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:22:39Z
  text: {"copyright_id":"0x49c75b1452252167c3512288e56ed77c2c2242cb34ba4595d2bc097fbf089101","name":"Marimba Guy","registered_at":"2026-06-17T13:24:29Z","symbol":"NIM1408864","token_address":"0x8c483917a99c21ac1cfa2a15ae7f0d9e6affd8a5","type":"artist","uuid":"890640cf-be60-45f3-bc10-412594d73da8"}
album: The Marimba Guy plays Game Tunes
  type: MusicAlbum
  date published: 2018-08-15
album: The Marimba Guy plays Pop Hits
  type: MusicAlbum
  date published: 2019-01-03
album: Pop Hits
  type: MusicAlbum
  date published: 2019-02-21
album: Essentiels Classiques (joué sur marimba)
  type: MusicAlbum
  date published: 2019-04-10
album: Essential Classics (played on Marimba)
  type: MusicAlbum
  date published: 2019-04-11
album: Essential Classics (played on Marimba)
  type: MusicAlbum
  date published: 2019-04-11
album: Essential Classics (played on Marimba)
  type: MusicAlbum
  date published: 2019-04-11
album: Pop Hits
  type: MusicAlbum
  date published: 2019-05-22