Calm Peaceful Piano
type: MusicGroup
popularity: 12
followers: 74
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc310e9363b1ef8c38d31f4891dbbc647a90ca2853889f79462fcbbe930a5b1a6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953684
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953684
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/65f16b16-8f0e-405e-b27a-2e4f781ee63c.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/65f16b16-8f0e-405e-b27a-2e4f781ee63c.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/65f16b16-8f0e-405e-b27a-2e4f781ee63c
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T19:51:57Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc310e9363b1ef8c38d31f4891dbbc647a90ca2853889f79462fcbbe930a5b1a6","name":"Calm Peaceful Piano","registered_at":"2026-06-14T15:07:24Z","symbol":"NIM0490959","token_address":"0x9fbb5c47c561f4fda6f30ac35ed6eedf1e653484","type":"artist","uuid":"65f16b16-8f0e-405e-b27a-2e4f781ee63c"}
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 0xc310e9363b1ef8c38d31f4891dbbc647a90ca2853889f79462fcbbe930a5b1a6. Chain 2 (Bitcoin): anchored in block 953684 (2026-06-14T19:51:57Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/65f16b16-8f0e-405e-b27a-2e4f781ee63c.json and https://artists.proofprofile.net/proofs/artist/65f16b16-8f0e-405e-b27a-2e4f781ee63c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T19:51:57Z
  text: {"copyright_id":"0xc310e9363b1ef8c38d31f4891dbbc647a90ca2853889f79462fcbbe930a5b1a6","name":"Calm Peaceful Piano","registered_at":"2026-06-14T15:07:24Z","symbol":"NIM0490959","token_address":"0x9fbb5c47c561f4fda6f30ac35ed6eedf1e653484","type":"artist","uuid":"65f16b16-8f0e-405e-b27a-2e4f781ee63c"}
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  type: MusicAlbum
  date published: 2019-12-01
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