Classic Piano
type: MusicGroup
genre: neoclassical
popularity: 5
followers: 234
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2fe18fc6c31f4d5dd308cc5630442026643d22f5cd2ac4d5f7fe10d62489109f
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/c65d869d-6792-4983-aca4-ac18421a0ed1.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c65d869d-6792-4983-aca4-ac18421a0ed1.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c65d869d-6792-4983-aca4-ac18421a0ed1
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T07:29:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x2fe18fc6c31f4d5dd308cc5630442026643d22f5cd2ac4d5f7fe10d62489109f","name":"Classic Piano","registered_at":"2026-06-20T21:37:15Z","symbol":"NIM1720962","token_address":"0x33cd1a5c1d82e97e21dc54d09955d3de38d6ee78","type":"artist","uuid":"c65d869d-6792-4983-aca4-ac18421a0ed1"}
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 0x2fe18fc6c31f4d5dd308cc5630442026643d22f5cd2ac4d5f7fe10d62489109f. 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/c65d869d-6792-4983-aca4-ac18421a0ed1.json and https://artists.proofprofile.net/proofs/artist/c65d869d-6792-4983-aca4-ac18421a0ed1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T07:29:20Z
  text: {"copyright_id":"0x2fe18fc6c31f4d5dd308cc5630442026643d22f5cd2ac4d5f7fe10d62489109f","name":"Classic Piano","registered_at":"2026-06-20T21:37:15Z","symbol":"NIM1720962","token_address":"0x33cd1a5c1d82e97e21dc54d09955d3de38d6ee78","type":"artist","uuid":"c65d869d-6792-4983-aca4-ac18421a0ed1"}
album: Classic Piano - Classic Piano Love Songs - Classic Piano Instrumental Music
  type: MusicAlbum
  date published: 2012-02-22
album: Classical Piano from the Heart
  type: MusicAlbum
  date published: 2015-07-08
album: Classic Relaxing Moments
  type: MusicAlbum
  date published: 2015-07-15
album: Pure Classic Piano
  type: MusicAlbum
  date published: 2015-07-22
album: The Best of Classical Piano
  type: MusicAlbum
  date published: 2015-08-05
album: Classical Piano Moods
  type: MusicAlbum
  date published: 2015-08-12
album: Peaceful Piano Moments
  type: MusicAlbum
  date published: 2015-08-19
album: Your Peaceful Piano Collection
  type: MusicAlbum
  date published: 2015-08-26
album: Classic Piano Performance
  type: MusicAlbum
  date published: 2015-09-02
album: Classic Piano Masters
  type: MusicAlbum
  date published: 2015-09-09
album: The Spirit of Classical Piano
  type: MusicAlbum
  date published: 2015-09-16
album: Classical Piano Sessions
  type: MusicAlbum
  date published: 2015-09-30
album: Classic Solo Piano
  type: MusicAlbum
  date published: 2015-10-07
album: Pure Piano Performance
  type: MusicAlbum
  date published: 2015-10-14
album: 25 Beautiful Piano Songs for Intimacy and Relaxation
  type: MusicAlbum
  date published: 2022-07-12
album: Piano Music for Studying and Complete Stress & Anxiety Relief
  type: MusicAlbum
  date published: 2023-07-31
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  type: MusicAlbum
  date published: 2024-07-01
album: Distant Waltz
  type: MusicAlbum
  date published: 2025-06-16
album: Dawn Break
  type: MusicAlbum
  date published: 2025-07-21