Nebelkrähe
type: MusicGroup
genre: black metal
popularity: 4
followers: 727
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6270c013bd08cabe912320bf443dc71a291a7c1c2b7b8f2d1d41a52b33eb77ca
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953899
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953899
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1204a87d-b71a-4c3c-8e5f-c9332f1dcbe4.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1204a87d-b71a-4c3c-8e5f-c9332f1dcbe4.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/1204a87d-b71a-4c3c-8e5f-c9332f1dcbe4
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T06:37:25Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6270c013bd08cabe912320bf443dc71a291a7c1c2b7b8f2d1d41a52b33eb77ca","name":"Nebelkrähe","registered_at":"2026-06-15T19:52:53Z","symbol":"NIM0814415","token_address":"0xe92820d5e06b6a474448b02ca5048a769300a951","type":"artist","uuid":"1204a87d-b71a-4c3c-8e5f-c9332f1dcbe4"}
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 0x6270c013bd08cabe912320bf443dc71a291a7c1c2b7b8f2d1d41a52b33eb77ca. Chain 2 (Bitcoin): anchored in block 953949 (2026-06-16T13:28:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1204a87d-b71a-4c3c-8e5f-c9332f1dcbe4.json and https://artists.proofprofile.net/proofs/artist/1204a87d-b71a-4c3c-8e5f-c9332f1dcbe4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T13:28:01Z
  text: {"copyright_id":"0x6270c013bd08cabe912320bf443dc71a291a7c1c2b7b8f2d1d41a52b33eb77ca","name":"Nebelkrähe","registered_at":"2026-06-15T19:52:53Z","symbol":"NIM0814415","token_address":"0xe92820d5e06b6a474448b02ca5048a769300a951","type":"artist","uuid":"1204a87d-b71a-4c3c-8e5f-c9332f1dcbe4"}
album: Lebensweisen
  type: MusicAlbum
  date published: 2013-02-18
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