Alessandro Marangoni
type: MusicGroup
genre: chamber music
genre: classical piano
description: Alessandro Marangoni (born 1979) is an Italian classical pianist. He studied piano with Marco Vincenzi, and, after a diploma summa cum laude, continued his studies at the Scuola di Musica di Fiesole
popularity: 21
followers: 322
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additional property: CopyrightChainExplorerURL
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additional property: OTSVerifyInstructions
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  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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d124bd20dc8e9c8eaa33b08907657c8b0760c7042e1b1ef2df6a250c51ccf83. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f0b44eeb-ca12-43a5-9383-dbc027ccd119.json and https://artists.proofprofile.net/proofs/artist/f0b44eeb-ca12-43a5-9383-dbc027ccd119.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T21:20:00Z
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album: Castelnuovo-Tedesco: Piano Concertos Nos. 1 & 2
  type: MusicAlbum
  date published: 2012-05-01