Black Rose
type: MusicGroup
description: Black Rose or Black Roses may refer to: Literature Black Rose (magazine), an anarchist magazine published in Boston during the 1970s and 1980s The Black Rose (novel), a 1945 historical novel by Tho
popularity: 2
followers: 122
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x894d078e6fbe64de49b04fb37fe0ca4b6264442d3bae24ae884abbe178411032
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954569
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954569
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b0f6dded-1ceb-4495-92af-f99b9f311948.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b0f6dded-1ceb-4495-92af-f99b9f311948.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/b0f6dded-1ceb-4495-92af-f99b9f311948
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T14:36:29Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x894d078e6fbe64de49b04fb37fe0ca4b6264442d3bae24ae884abbe178411032","name":"Black Rose","registered_at":"2026-06-20T12:11:14Z","symbol":"NIM1610278","token_address":"0x65bf2183062acb3840384b402bdf4e98c8b29298","type":"artist","uuid":"b0f6dded-1ceb-4495-92af-f99b9f311948"}
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 0x894d078e6fbe64de49b04fb37fe0ca4b6264442d3bae24ae884abbe178411032. Chain 2 (Bitcoin): anchored in block 954569 (2026-06-20T14:36:29Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b0f6dded-1ceb-4495-92af-f99b9f311948.json and https://artists.proofprofile.net/proofs/artist/b0f6dded-1ceb-4495-92af-f99b9f311948.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T14:36:29Z
  text: {"copyright_id":"0x894d078e6fbe64de49b04fb37fe0ca4b6264442d3bae24ae884abbe178411032","name":"Black Rose","registered_at":"2026-06-20T12:11:14Z","symbol":"NIM1610278","token_address":"0x65bf2183062acb3840384b402bdf4e98c8b29298","type":"artist","uuid":"b0f6dded-1ceb-4495-92af-f99b9f311948"}
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