Champ City Mike
type: MusicGroup
popularity: 2
followers: 154
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x78fdb4a546a2cf31d50bf2a6891f2226b0cd7db4351c8c17b37adf826d841716
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953984
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953984
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2dce6af9-3229-4ae3-8496-8618a9a93137.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2dce6af9-3229-4ae3-8496-8618a9a93137.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/2dce6af9-3229-4ae3-8496-8618a9a93137
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T18:08:34Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x78fdb4a546a2cf31d50bf2a6891f2226b0cd7db4351c8c17b37adf826d841716","name":"Champ City Mike","registered_at":"2026-06-16T05:27:09Z","symbol":"NIM0951512","token_address":"0x24033a7aeefbb9e0405acfaa23f079c2e829437a","type":"artist","uuid":"2dce6af9-3229-4ae3-8496-8618a9a93137"}
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 0x78fdb4a546a2cf31d50bf2a6891f2226b0cd7db4351c8c17b37adf826d841716. Chain 2 (Bitcoin): anchored in block 953984 (2026-06-16T18:08:34Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2dce6af9-3229-4ae3-8496-8618a9a93137.json and https://artists.proofprofile.net/proofs/artist/2dce6af9-3229-4ae3-8496-8618a9a93137.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T18:08:34Z
  text: {"copyright_id":"0x78fdb4a546a2cf31d50bf2a6891f2226b0cd7db4351c8c17b37adf826d841716","name":"Champ City Mike","registered_at":"2026-06-16T05:27:09Z","symbol":"NIM0951512","token_address":"0x24033a7aeefbb9e0405acfaa23f079c2e829437a","type":"artist","uuid":"2dce6af9-3229-4ae3-8496-8618a9a93137"}
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  type: MusicAlbum
  date published: 2021-01-16
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  type: MusicAlbum
  date published: 2021-04-14
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  type: MusicAlbum
  date published: 2022-01-01
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  type: MusicAlbum
  date published: 2023-09-16
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  type: MusicAlbum
  date published: 2025-01-01
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  type: MusicAlbum
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  type: MusicAlbum
  date published: 2025-04-30