JooHee Ahn
type: MusicGroup
popularity: 2
followers: 141
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xddb36565c0f7ecc1a1af6980baf165530eaf5582b922b0a5975b8aea1e62d4ba
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954705
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954705
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ecc42d90-6b06-4d37-832c-69e83394f888.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ecc42d90-6b06-4d37-832c-69e83394f888.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/ecc42d90-6b06-4d37-832c-69e83394f888
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T13:42:37Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xddb36565c0f7ecc1a1af6980baf165530eaf5582b922b0a5975b8aea1e62d4ba","name":"JooHee Ahn","registered_at":"2026-06-21T11:29:56Z","symbol":"NIM1911329","token_address":"0x4114fca85c60806faabba52374a71696cf2f0c94","type":"artist","uuid":"ecc42d90-6b06-4d37-832c-69e83394f888"}
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 0xddb36565c0f7ecc1a1af6980baf165530eaf5582b922b0a5975b8aea1e62d4ba. Chain 2 (Bitcoin): anchored in block 954705 (2026-06-21T13:42:37Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ecc42d90-6b06-4d37-832c-69e83394f888.json and https://artists.proofprofile.net/proofs/artist/ecc42d90-6b06-4d37-832c-69e83394f888.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T13:42:37Z
  text: {"copyright_id":"0xddb36565c0f7ecc1a1af6980baf165530eaf5582b922b0a5975b8aea1e62d4ba","name":"JooHee Ahn","registered_at":"2026-06-21T11:29:56Z","symbol":"NIM1911329","token_address":"0x4114fca85c60806faabba52374a71696cf2f0c94","type":"artist","uuid":"ecc42d90-6b06-4d37-832c-69e83394f888"}
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  type: MusicAlbum
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album: Share the World (One Piece OP 11)
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