PianoCoffee
type: MusicGroup
popularity: 2
followers: 195
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2b21613581404db2a4d32792385330bd26f7e592a498e51368e88ec6e1e48ca0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954618
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954618
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c952ace6-5a09-4ac5-8965-37420c94f60b.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c952ace6-5a09-4ac5-8965-37420c94f60b.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c952ace6-5a09-4ac5-8965-37420c94f60b
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T23:05:13Z
additional property: OTSCanonicalRecord
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 0x2b21613581404db2a4d32792385330bd26f7e592a498e51368e88ec6e1e48ca0. Chain 2 (Bitcoin): anchored in block 954618 (2026-06-20T23:05:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c952ace6-5a09-4ac5-8965-37420c94f60b.json and https://artists.proofprofile.net/proofs/artist/c952ace6-5a09-4ac5-8965-37420c94f60b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T23:05:13Z
album: Sunset on Balcony -LoFi
  type: MusicAlbum
  date published: 2022-11-01
album: Sunday night in a pub
  type: MusicAlbum
  date published: 2022-11-29
album: Hopeful Sadness (Piano composition)
  type: MusicAlbum
  date published: 2022-11-29
album: the miracle of spring -LoFi/Chill
  type: MusicAlbum
  date published: 2023-01-21
album: Through The Orbit (Trance/Techno)
  type: MusicAlbum
  date published: 2023-03-24
album: Aware of Himself (Piano Composition)
  type: MusicAlbum
  date published: 2023-04-01
album: Wispy Memories -LoFi/Chill
  type: MusicAlbum
  date published: 2023-05-01
album: Laternenzauber -LoFi
  type: MusicAlbum
  date published: 2023-07-14
album: Just the night and me
  type: MusicAlbum
  date published: 2023-09-22
album: Improvisation #1
  type: MusicAlbum
  date published: 2023-11-01
album: Improvisation #2
  type: MusicAlbum
  date published: 2023-11-03
album: WE ARE
  type: MusicAlbum
  date published: 2023-12-10