Sons of Sorrow
type: MusicGroup
popularity: 2
followers: 35
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfdebbd0bfacdfb336b9651786e1e3b7b54371293bbca7e7d517e2eb5613168ef
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954533
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954533
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a351f788-4833-41e0-9822-3601581286f0.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a351f788-4833-41e0-9822-3601581286f0.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/a351f788-4833-41e0-9822-3601581286f0
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T08:57:02Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xfdebbd0bfacdfb336b9651786e1e3b7b54371293bbca7e7d517e2eb5613168ef","name":"Sons of Sorrow","registered_at":"2026-06-20T06:41:00Z","symbol":"NIM1542889","token_address":"0xf9119fde6aa40e81a9c10758fac4f431e11136ae","type":"artist","uuid":"a351f788-4833-41e0-9822-3601581286f0"}
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 0xfdebbd0bfacdfb336b9651786e1e3b7b54371293bbca7e7d517e2eb5613168ef. Chain 2 (Bitcoin): anchored in block 954533 (2026-06-20T08:57:02Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a351f788-4833-41e0-9822-3601581286f0.json and https://artists.proofprofile.net/proofs/artist/a351f788-4833-41e0-9822-3601581286f0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T08:57:02Z
  text: {"copyright_id":"0xfdebbd0bfacdfb336b9651786e1e3b7b54371293bbca7e7d517e2eb5613168ef","name":"Sons of Sorrow","registered_at":"2026-06-20T06:41:00Z","symbol":"NIM1542889","token_address":"0xf9119fde6aa40e81a9c10758fac4f431e11136ae","type":"artist","uuid":"a351f788-4833-41e0-9822-3601581286f0"}
album: Decayed Night
  type: MusicAlbum
  date published: 2025-04-01