Laetitia in Holocaust
type: MusicGroup
genre: black metal
popularity: 2
followers: 444
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x96d513051fc1eebab6fce351acd0ab4bf740d3403abd9b45f53b2974ed347bfc
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954549
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954549
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a9e79fea-7130-438f-9ecb-aeb4addba593.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a9e79fea-7130-438f-9ecb-aeb4addba593.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/a9e79fea-7130-438f-9ecb-aeb4addba593
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T10:56:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x96d513051fc1eebab6fce351acd0ab4bf740d3403abd9b45f53b2974ed347bfc","name":"Laetitia in Holocaust","registered_at":"2026-06-20T09:24:42Z","symbol":"NIM1578164","token_address":"0x3f4c8b4dd0dcaba2f9828ba9da44422c3aa7ba7d","type":"artist","uuid":"a9e79fea-7130-438f-9ecb-aeb4addba593"}
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96d513051fc1eebab6fce351acd0ab4bf740d3403abd9b45f53b2974ed347bfc. Chain 2 (Bitcoin): anchored in block 954549 (2026-06-20T10:56:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a9e79fea-7130-438f-9ecb-aeb4addba593.json and https://artists.proofprofile.net/proofs/artist/a9e79fea-7130-438f-9ecb-aeb4addba593.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T10:56:20Z
  text: {"copyright_id":"0x96d513051fc1eebab6fce351acd0ab4bf740d3403abd9b45f53b2974ed347bfc","name":"Laetitia in Holocaust","registered_at":"2026-06-20T09:24:42Z","symbol":"NIM1578164","token_address":"0x3f4c8b4dd0dcaba2f9828ba9da44422c3aa7ba7d","type":"artist","uuid":"a9e79fea-7130-438f-9ecb-aeb4addba593"}
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