שי סיום
type: MusicGroup
popularity: 2
followers: 707
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x06ff5d121d1cdaa1df8338256d8672793adb86d722918dc0efb42fefeda66ea8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953895
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953895
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0ef837b5-8e54-40d1-b945-dcd408d08859.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0ef837b5-8e54-40d1-b945-dcd408d08859.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/0ef837b5-8e54-40d1-b945-dcd408d08859
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T05:46:35Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x06ff5d121d1cdaa1df8338256d8672793adb86d722918dc0efb42fefeda66ea8","name":"שי סיום","registered_at":"2026-06-15T18:44:52Z","symbol":"NIM0798202","token_address":"0xb074301742b0eef14a2e91e5c5d5a00f6cd3d483","type":"artist","uuid":"0ef837b5-8e54-40d1-b945-dcd408d08859"}
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 0x06ff5d121d1cdaa1df8338256d8672793adb86d722918dc0efb42fefeda66ea8. Chain 2 (Bitcoin): anchored in block 953896 (2026-06-16T06:05:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0ef837b5-8e54-40d1-b945-dcd408d08859.json and https://artists.proofprofile.net/proofs/artist/0ef837b5-8e54-40d1-b945-dcd408d08859.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T06:05:56Z
  text: {"copyright_id":"0x06ff5d121d1cdaa1df8338256d8672793adb86d722918dc0efb42fefeda66ea8","name":"שי סיום","registered_at":"2026-06-15T18:44:52Z","symbol":"NIM0798202","token_address":"0xb074301742b0eef14a2e91e5c5d5a00f6cd3d483","type":"artist","uuid":"0ef837b5-8e54-40d1-b945-dcd408d08859"}
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  date published: 2020-05-29
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  date published: 2021-03-02
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  date published: 2022-01-17
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