Marla Singer
type: MusicGroup
genre: acid techno
genre: techno
popularity: 8
followers: 5248
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd98702f42101bc426a7778e377c25a6d39fbd1ad877d2482fb65e54d37bd90d4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954015
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954015
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/35a8c6b0-5f5c-486f-9559-efccaf634643.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/35a8c6b0-5f5c-486f-9559-efccaf634643.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/35a8c6b0-5f5c-486f-9559-efccaf634643
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T22:55:46Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd98702f42101bc426a7778e377c25a6d39fbd1ad877d2482fb65e54d37bd90d4","name":"Marla Singer","registered_at":"2026-06-16T08:14:32Z","symbol":"NIM0991490","token_address":"0xaf44a8b34e59f700b8ab88432a2668cef5a16dfc","type":"artist","uuid":"35a8c6b0-5f5c-486f-9559-efccaf634643"}
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 0xd98702f42101bc426a7778e377c25a6d39fbd1ad877d2482fb65e54d37bd90d4. Chain 2 (Bitcoin): anchored in block 954015 (2026-06-16T22:55:46Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/35a8c6b0-5f5c-486f-9559-efccaf634643.json and https://artists.proofprofile.net/proofs/artist/35a8c6b0-5f5c-486f-9559-efccaf634643.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T22:55:46Z
  text: {"copyright_id":"0xd98702f42101bc426a7778e377c25a6d39fbd1ad877d2482fb65e54d37bd90d4","name":"Marla Singer","registered_at":"2026-06-16T08:14:32Z","symbol":"NIM0991490","token_address":"0xaf44a8b34e59f700b8ab88432a2668cef5a16dfc","type":"artist","uuid":"35a8c6b0-5f5c-486f-9559-efccaf634643"}
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