Guitar Strings
type: MusicGroup
popularity: 4
followers: 4
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd1c0fdd56efb50479c9dea6aab74a76811b763f16f36e17061eabd0e610539bf
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953909
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953909
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/186a7d68-b39b-4fdd-b6d1-de48c150236c.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/186a7d68-b39b-4fdd-b6d1-de48c150236c.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/186a7d68-b39b-4fdd-b6d1-de48c150236c
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T07:53:13Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd1c0fdd56efb50479c9dea6aab74a76811b763f16f36e17061eabd0e610539bf","name":"Guitar Strings","registered_at":"2026-06-15T22:06:58Z","symbol":"NIM0846382","token_address":"0x25a72a85631c4efacbb17ad10467860703d06879","type":"artist","uuid":"186a7d68-b39b-4fdd-b6d1-de48c150236c"}
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 0xd1c0fdd56efb50479c9dea6aab74a76811b763f16f36e17061eabd0e610539bf. Chain 2 (Bitcoin): anchored in block 953909 (2026-06-16T07:53:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/186a7d68-b39b-4fdd-b6d1-de48c150236c.json and https://artists.proofprofile.net/proofs/artist/186a7d68-b39b-4fdd-b6d1-de48c150236c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T07:53:13Z
  text: {"copyright_id":"0xd1c0fdd56efb50479c9dea6aab74a76811b763f16f36e17061eabd0e610539bf","name":"Guitar Strings","registered_at":"2026-06-15T22:06:58Z","symbol":"NIM0846382","token_address":"0x25a72a85631c4efacbb17ad10467860703d06879","type":"artist","uuid":"186a7d68-b39b-4fdd-b6d1-de48c150236c"}
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  type: MusicAlbum
  date published: 2019-06-07
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