Writ3rs Block
type: MusicGroup
popularity: 3
followers: 665
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x472121ea58e6e101aae78b2a60c0dbdc51e25217d1cd035169b72117747b0f01
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954618
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954618
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c7ef89f4-ea1b-4c43-9b3e-d8b77cf9017f.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c7ef89f4-ea1b-4c43-9b3e-d8b77cf9017f.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c7ef89f4-ea1b-4c43-9b3e-d8b77cf9017f
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T23:05:13Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x472121ea58e6e101aae78b2a60c0dbdc51e25217d1cd035169b72117747b0f01","name":"Writ3rs Block","registered_at":"2026-06-20T21:40:19Z","symbol":"NIM1722477","token_address":"0x51c2cb0f946be234bde0c6205c1a9761fbb9e542","type":"artist","uuid":"c7ef89f4-ea1b-4c43-9b3e-d8b77cf9017f"}
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 0x472121ea58e6e101aae78b2a60c0dbdc51e25217d1cd035169b72117747b0f01. Chain 2 (Bitcoin): anchored in block 954618 (2026-06-20T23:05:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c7ef89f4-ea1b-4c43-9b3e-d8b77cf9017f.json and https://artists.proofprofile.net/proofs/artist/c7ef89f4-ea1b-4c43-9b3e-d8b77cf9017f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T23:05:13Z
  text: {"copyright_id":"0x472121ea58e6e101aae78b2a60c0dbdc51e25217d1cd035169b72117747b0f01","name":"Writ3rs Block","registered_at":"2026-06-20T21:40:19Z","symbol":"NIM1722477","token_address":"0x51c2cb0f946be234bde0c6205c1a9761fbb9e542","type":"artist","uuid":"c7ef89f4-ea1b-4c43-9b3e-d8b77cf9017f"}
album: GO
  type: MusicAlbum
  date published: 2022-09-06
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  type: MusicAlbum
  date published: 2025-10-15