The Grammers
type: MusicGroup
genre: finnish rock
popularity: 7
followers: 888
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x95cd1242bf07c8157df0597a2438892040a29d6631170f8ffd826148d5209e2a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953907
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953907
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/14d91e90-8d8c-4a94-b5bf-4a178893f037.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/14d91e90-8d8c-4a94-b5bf-4a178893f037.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/14d91e90-8d8c-4a94-b5bf-4a178893f037
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T07:39:24Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x95cd1242bf07c8157df0597a2438892040a29d6631170f8ffd826148d5209e2a","name":"The Grammers","registered_at":"2026-06-15T21:01:41Z","symbol":"NIM0830818","token_address":"0x45ccc3506f787c40283a57344d28b1d7649e13a7","type":"artist","uuid":"14d91e90-8d8c-4a94-b5bf-4a178893f037"}
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 0x95cd1242bf07c8157df0597a2438892040a29d6631170f8ffd826148d5209e2a. Chain 2 (Bitcoin): anchored in block 953909 (2026-06-16T07:53:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/14d91e90-8d8c-4a94-b5bf-4a178893f037.json and https://artists.proofprofile.net/proofs/artist/14d91e90-8d8c-4a94-b5bf-4a178893f037.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T07:53:13Z
  text: {"copyright_id":"0x95cd1242bf07c8157df0597a2438892040a29d6631170f8ffd826148d5209e2a","name":"The Grammers","registered_at":"2026-06-15T21:01:41Z","symbol":"NIM0830818","token_address":"0x45ccc3506f787c40283a57344d28b1d7649e13a7","type":"artist","uuid":"14d91e90-8d8c-4a94-b5bf-4a178893f037"}
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