Orchestra dei Pomeriggi musicali di Milano
type: MusicGroup
genre: opera
popularity: 2
followers: 2
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xda0d8c94e3b027b6941c053cbb3fd552cd5a3783da191266e7fd52ce94535397
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954667
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954667
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d569de33-c8e9-42ff-a752-2a9b93f8cc1b.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d569de33-c8e9-42ff-a752-2a9b93f8cc1b.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/d569de33-c8e9-42ff-a752-2a9b93f8cc1b
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T07:29:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xda0d8c94e3b027b6941c053cbb3fd552cd5a3783da191266e7fd52ce94535397","name":"Orchestra dei Pomeriggi musicali di Milano","registered_at":"2026-06-21T02:53:14Z","symbol":"NIM1797318","token_address":"0xa2eb4bcbc126bc8184f8e7bf6551c4d1e0dfe09e","type":"artist","uuid":"d569de33-c8e9-42ff-a752-2a9b93f8cc1b"}
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 0xda0d8c94e3b027b6941c053cbb3fd552cd5a3783da191266e7fd52ce94535397. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d569de33-c8e9-42ff-a752-2a9b93f8cc1b.json and https://artists.proofprofile.net/proofs/artist/d569de33-c8e9-42ff-a752-2a9b93f8cc1b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T07:29:20Z
  text: {"copyright_id":"0xda0d8c94e3b027b6941c053cbb3fd552cd5a3783da191266e7fd52ce94535397","name":"Orchestra dei Pomeriggi musicali di Milano","registered_at":"2026-06-21T02:53:14Z","symbol":"NIM1797318","token_address":"0xa2eb4bcbc126bc8184f8e7bf6551c4d1e0dfe09e","type":"artist","uuid":"d569de33-c8e9-42ff-a752-2a9b93f8cc1b"}