Johannes Mergarten
type: MusicGroup
popularity: 4
followers: 474
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2f30d78fa609866e0321cb7c0ebb33e36deba3d4dcd5f0cb153d5b16fbdc5cfd
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954728
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954728
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f991078d-ea4b-4221-b70d-8e0d184ccabc.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f991078d-ea4b-4221-b70d-8e0d184ccabc.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/f991078d-ea4b-4221-b70d-8e0d184ccabc
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T18:08:38Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x2f30d78fa609866e0321cb7c0ebb33e36deba3d4dcd5f0cb153d5b16fbdc5cfd","name":"Johannes Mergarten","registered_at":"2026-06-21T16:29:00Z","symbol":"NIM1974265","token_address":"0xe9257c92368425782c1d25e18a257dcc010e1f11","type":"artist","uuid":"f991078d-ea4b-4221-b70d-8e0d184ccabc"}
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 0x2f30d78fa609866e0321cb7c0ebb33e36deba3d4dcd5f0cb153d5b16fbdc5cfd. Chain 2 (Bitcoin): anchored in block 954729 (2026-06-21T18:16:07Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f991078d-ea4b-4221-b70d-8e0d184ccabc.json and https://artists.proofprofile.net/proofs/artist/f991078d-ea4b-4221-b70d-8e0d184ccabc.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T18:16:07Z
  text: {"copyright_id":"0x2f30d78fa609866e0321cb7c0ebb33e36deba3d4dcd5f0cb153d5b16fbdc5cfd","name":"Johannes Mergarten","registered_at":"2026-06-21T16:29:00Z","symbol":"NIM1974265","token_address":"0xe9257c92368425782c1d25e18a257dcc010e1f11","type":"artist","uuid":"f991078d-ea4b-4221-b70d-8e0d184ccabc"}
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  type: MusicAlbum
  date published: 2017-10-27
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  type: MusicAlbum
  date published: 2017-11-03
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  type: MusicAlbum
  date published: 2017-11-10
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  type: MusicAlbum
  date published: 2018-01-26
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
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