Sylvia Bergman
type: MusicGroup
popularity: 10
followers: 66
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8654547ca829203a10c8930c53b573e0d6e9802d40d2f85a0d4fb7d985266338
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/c402c565-0e21-45fb-a7d9-62931a7188aa.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c402c565-0e21-45fb-a7d9-62931a7188aa.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c402c565-0e21-45fb-a7d9-62931a7188aa
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T07:29:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x8654547ca829203a10c8930c53b573e0d6e9802d40d2f85a0d4fb7d985266338","name":"Sylvia Bergman","registered_at":"2026-06-20T20:33:32Z","symbol":"NIM1707024","token_address":"0x5f17a313bc1f2e00be2ffe59a489a849be38bd62","type":"artist","uuid":"c402c565-0e21-45fb-a7d9-62931a7188aa"}
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 0x8654547ca829203a10c8930c53b573e0d6e9802d40d2f85a0d4fb7d985266338. 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/c402c565-0e21-45fb-a7d9-62931a7188aa.json and https://artists.proofprofile.net/proofs/artist/c402c565-0e21-45fb-a7d9-62931a7188aa.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T07:29:20Z
  text: {"copyright_id":"0x8654547ca829203a10c8930c53b573e0d6e9802d40d2f85a0d4fb7d985266338","name":"Sylvia Bergman","registered_at":"2026-06-20T20:33:32Z","symbol":"NIM1707024","token_address":"0x5f17a313bc1f2e00be2ffe59a489a849be38bd62","type":"artist","uuid":"c402c565-0e21-45fb-a7d9-62931a7188aa"}
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  type: MusicAlbum
  date published: 2021-01-19
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
  date published: 2024-02-14