Stone Horns
type: MusicGroup
genre: groove metal
popularity: 2
followers: 504
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6b91f669e09f67a27b2aeebe4e64273a4684a0cac6641a3c49267e6258239e71
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954618
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954618
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c7cc61e0-843f-44ba-a1cf-7cdb296d0e9a.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c7cc61e0-843f-44ba-a1cf-7cdb296d0e9a.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c7cc61e0-843f-44ba-a1cf-7cdb296d0e9a
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T23:05:13Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6b91f669e09f67a27b2aeebe4e64273a4684a0cac6641a3c49267e6258239e71","name":"Stone Horns","registered_at":"2026-06-20T22:03:17Z","symbol":"NIM1724542","token_address":"0x4e2fae26dc7601e8d959fe7cc31f9e0f8ec8d14d","type":"artist","uuid":"c7cc61e0-843f-44ba-a1cf-7cdb296d0e9a"}
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 0x6b91f669e09f67a27b2aeebe4e64273a4684a0cac6641a3c49267e6258239e71. Chain 2 (Bitcoin): anchored in block 954618 (2026-06-20T23:05:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c7cc61e0-843f-44ba-a1cf-7cdb296d0e9a.json and https://artists.proofprofile.net/proofs/artist/c7cc61e0-843f-44ba-a1cf-7cdb296d0e9a.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-20T23:05:13Z
  text: {"copyright_id":"0x6b91f669e09f67a27b2aeebe4e64273a4684a0cac6641a3c49267e6258239e71","name":"Stone Horns","registered_at":"2026-06-20T22:03:17Z","symbol":"NIM1724542","token_address":"0x4e2fae26dc7601e8d959fe7cc31f9e0f8ec8d14d","type":"artist","uuid":"c7cc61e0-843f-44ba-a1cf-7cdb296d0e9a"}
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