Ambar Gurung
type: MusicGroup
popularity: 15
followers: 2066
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x05f7693317428ce0f99319b13f43a2cc1fb15573ea0268f7e481a1e4ea8d4c3f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953616
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953616
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/196844aa-4e37-4220-a90e-92b655376f0f.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/196844aa-4e37-4220-a90e-92b655376f0f.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/196844aa-4e37-4220-a90e-92b655376f0f
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T08:58:35Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x05f7693317428ce0f99319b13f43a2cc1fb15573ea0268f7e481a1e4ea8d4c3f","name":"Ambar Gurung","registered_at":"2026-06-14T07:04:50Z","symbol":"NIM0375827","token_address":"0xab624078aa00a7eee3b79731809d9c29088078f1","type":"artist","uuid":"196844aa-4e37-4220-a90e-92b655376f0f"}
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05f7693317428ce0f99319b13f43a2cc1fb15573ea0268f7e481a1e4ea8d4c3f. Chain 2 (Bitcoin): anchored in block 953616 (2026-06-14T08:58:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/196844aa-4e37-4220-a90e-92b655376f0f.json and https://artists.proofprofile.net/proofs/artist/196844aa-4e37-4220-a90e-92b655376f0f.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-14T08:58:35Z
  text: {"copyright_id":"0x05f7693317428ce0f99319b13f43a2cc1fb15573ea0268f7e481a1e4ea8d4c3f","name":"Ambar Gurung","registered_at":"2026-06-14T07:04:50Z","symbol":"NIM0375827","token_address":"0xab624078aa00a7eee3b79731809d9c29088078f1","type":"artist","uuid":"196844aa-4e37-4220-a90e-92b655376f0f"}
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  date published: 1990-07-14
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  date published: 1992-07-14
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