Beats on 21st
type: MusicGroup
genre: lo-fi beats
popularity: 45
followers: 73
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4a2aee0e6b072517fd6d5a95593925f0c6de812162d50e48973d1b66eb17e8f4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1427b9d0-795c-421b-91d4-7a2ea25f3765.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1427b9d0-795c-421b-91d4-7a2ea25f3765.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/1427b9d0-795c-421b-91d4-7a2ea25f3765
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4a2aee0e6b072517fd6d5a95593925f0c6de812162d50e48973d1b66eb17e8f4","name":"Beats on 21st","registered_at":"2026-06-11T12:20:01Z","symbol":"NIM0026391","token_address":"0xe2a97465fdaebf2ef99cedea8f8f7c39f305ed99","type":"artist","uuid":"1427b9d0-795c-421b-91d4-7a2ea25f3765"}
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 0x4a2aee0e6b072517fd6d5a95593925f0c6de812162d50e48973d1b66eb17e8f4. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1427b9d0-795c-421b-91d4-7a2ea25f3765.json and https://artists.proofprofile.net/proofs/artist/1427b9d0-795c-421b-91d4-7a2ea25f3765.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T21:20:00Z
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