Samm Chizi
type: MusicGroup
genre: afro house
popularity: 14
followers: 155
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcf81f7bb0fba84b7f9d4581be2459b19ae9b8665c0787c83c77802176c326f23
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953842
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953842
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e600f652-8b0b-466d-9781-180069f550ba.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e600f652-8b0b-466d-9781-180069f550ba.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/e600f652-8b0b-466d-9781-180069f550ba
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T22:22:30Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xcf81f7bb0fba84b7f9d4581be2459b19ae9b8665c0787c83c77802176c326f23","name":"Samm Chizi","registered_at":"2026-06-15T04:42:38Z","symbol":"NIM0685484","token_address":"0xe80f932c39ac22786a519130fc449ce4f43d90ab","type":"artist","uuid":"e600f652-8b0b-466d-9781-180069f550ba"}
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 0xcf81f7bb0fba84b7f9d4581be2459b19ae9b8665c0787c83c77802176c326f23. Chain 2 (Bitcoin): anchored in block 953842 (2026-06-15T22:22:30Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e600f652-8b0b-466d-9781-180069f550ba.json and https://artists.proofprofile.net/proofs/artist/e600f652-8b0b-466d-9781-180069f550ba.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T22:22:30Z
  text: {"copyright_id":"0xcf81f7bb0fba84b7f9d4581be2459b19ae9b8665c0787c83c77802176c326f23","name":"Samm Chizi","registered_at":"2026-06-15T04:42:38Z","symbol":"NIM0685484","token_address":"0xe80f932c39ac22786a519130fc449ce4f43d90ab","type":"artist","uuid":"e600f652-8b0b-466d-9781-180069f550ba"}
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  type: MusicAlbum
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  type: MusicAlbum
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