The Olympic Symphonium
type: MusicGroup
description: The Olympic Symphonium is a Canadian indie folk trio from Fredericton, New Brunswick."The Olympic Symphonium: We have fun". The Coast, Jonathan Briggins. April 19, 2018 The band consists of Nick Cobha
popularity: 2
followers: 505
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x9ef8db7703efb2e6dd06961bc75abe3b694cac076e6807a14cd8dbc8f56ec740
additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 954066
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954066
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/784317d6-a84f-4e57-8937-cab74c8b47a0.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/784317d6-a84f-4e57-8937-cab74c8b47a0.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/784317d6-a84f-4e57-8937-cab74c8b47a0
additional property: OTSTimestamp
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  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x9ef8db7703efb2e6dd06961bc75abe3b694cac076e6807a14cd8dbc8f56ec740","name":"The Olympic Symphonium","registered_at":"2026-06-17T07:35:35Z","symbol":"NIM1325747","token_address":"0xd2f944e6039e824a6dbb176d447671eb2ba794c2","type":"artist","uuid":"784317d6-a84f-4e57-8937-cab74c8b47a0"}
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 0x9ef8db7703efb2e6dd06961bc75abe3b694cac076e6807a14cd8dbc8f56ec740. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/784317d6-a84f-4e57-8937-cab74c8b47a0.json and https://artists.proofprofile.net/proofs/artist/784317d6-a84f-4e57-8937-cab74c8b47a0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
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