UMFANA UBRVDLEY
type: MusicGroup
popularity: 5
followers: 22017
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd591a20284f96dac5ed785800dafc34a3bdf5023c55cd7e449ba6f42b53ac040
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954513
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9eb3a962-29b9-4642-8902-d8a45ebc78b1.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9eb3a962-29b9-4642-8902-d8a45ebc78b1.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/9eb3a962-29b9-4642-8902-d8a45ebc78b1
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T06:31:18Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd591a20284f96dac5ed785800dafc34a3bdf5023c55cd7e449ba6f42b53ac040","name":"UMFANA UBRVDLEY","registered_at":"2026-06-20T04:39:40Z","symbol":"NIM1514809","token_address":"0xb59ed56f254039091d5401b2e8deebc8303a3510","type":"artist","uuid":"9eb3a962-29b9-4642-8902-d8a45ebc78b1"}
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 0xd591a20284f96dac5ed785800dafc34a3bdf5023c55cd7e449ba6f42b53ac040. Chain 2 (Bitcoin): anchored in block 954513 (2026-06-20T06:31:18Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9eb3a962-29b9-4642-8902-d8a45ebc78b1.json and https://artists.proofprofile.net/proofs/artist/9eb3a962-29b9-4642-8902-d8a45ebc78b1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T06:31:18Z
  text: {"copyright_id":"0xd591a20284f96dac5ed785800dafc34a3bdf5023c55cd7e449ba6f42b53ac040","name":"UMFANA UBRVDLEY","registered_at":"2026-06-20T04:39:40Z","symbol":"NIM1514809","token_address":"0xb59ed56f254039091d5401b2e8deebc8303a3510","type":"artist","uuid":"9eb3a962-29b9-4642-8902-d8a45ebc78b1"}
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  type: MusicAlbum
  date published: 2024-11-20
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  date published: 2025-10-19
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  date published: 2025-10-20
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  type: MusicAlbum
  date published: 2025-10-20
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  date published: 2025-10-22
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  type: MusicAlbum
  date published: 2025-10-22
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  type: MusicAlbum
  date published: 2025-10-27
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  type: MusicAlbum
  date published: 2025-10-31