Lil Mark
type: MusicGroup
popularity: 2
followers: 7
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xac620b55c9e69c72749804a6cc79f93eaf1597b70dea3734a62250f2edf71b32
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954667
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954667
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ba7dd516-3983-4a37-9e14-d213afe11266.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ba7dd516-3983-4a37-9e14-d213afe11266.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/ba7dd516-3983-4a37-9e14-d213afe11266
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T07:29:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xac620b55c9e69c72749804a6cc79f93eaf1597b70dea3734a62250f2edf71b32","name":"Lil Mark","registered_at":"2026-06-20T16:57:47Z","symbol":"NIM1658987","token_address":"0x6382d3f23df2dd6cf2f7985a06e051926fff7763","type":"artist","uuid":"ba7dd516-3983-4a37-9e14-d213afe11266"}
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 0xac620b55c9e69c72749804a6cc79f93eaf1597b70dea3734a62250f2edf71b32. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ba7dd516-3983-4a37-9e14-d213afe11266.json and https://artists.proofprofile.net/proofs/artist/ba7dd516-3983-4a37-9e14-d213afe11266.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T07:29:20Z
  text: {"copyright_id":"0xac620b55c9e69c72749804a6cc79f93eaf1597b70dea3734a62250f2edf71b32","name":"Lil Mark","registered_at":"2026-06-20T16:57:47Z","symbol":"NIM1658987","token_address":"0x6382d3f23df2dd6cf2f7985a06e051926fff7763","type":"artist","uuid":"ba7dd516-3983-4a37-9e14-d213afe11266"}
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  type: MusicAlbum
  date published: 2024-05-15
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  type: MusicAlbum
  date published: 2024-11-30
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  type: MusicAlbum
  date published: 2025-04-16
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  type: MusicAlbum
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  type: MusicAlbum
  date published: 2025-09-11