Akira-M
type: MusicGroup
genre: classical piano
popularity: 7
followers: 52
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x444032c3d45c6413e82c96a5e51abf2722ac9462279af29b811d9956b2bad386
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954043
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954043
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3df98408-af2a-40a4-98ca-f8a7fcbf12a1.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3df98408-af2a-40a4-98ca-f8a7fcbf12a1.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/3df98408-af2a-40a4-98ca-f8a7fcbf12a1
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T04:15:20Z
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 0x444032c3d45c6413e82c96a5e51abf2722ac9462279af29b811d9956b2bad386. Chain 2 (Bitcoin): anchored in block 954043 (2026-06-17T04:15:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3df98408-af2a-40a4-98ca-f8a7fcbf12a1.json and https://artists.proofprofile.net/proofs/artist/3df98408-af2a-40a4-98ca-f8a7fcbf12a1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T04:15:20Z
album: Sound of Harpsichord バッハ インヴェンション
  type: MusicAlbum
  date published: 2016-12-22
album: ソナチネアルバム1 vol.1 アキラの音楽空間リメイク
  type: MusicAlbum
  date published: 2018-06-15
album: Sonatinen Album 1 vol.1 Akira's Music Space Re:make
  type: MusicAlbum
  date published: 2018-06-15
album: Sonatinen Album 1 vol.2 Akira's Music Space Re:make
  type: MusicAlbum
  date published: 2018-12-14
album: ソナチネアルバム1 vol.2 アキラの音楽空間リメイク
  type: MusicAlbum
  date published: 2018-12-14
album: お人形の夢と目覚め アキラの音楽空間リメイク2019
  type: MusicAlbum
  date published: 2019-11-30
album: Dolly's Dreaming and Awakening - Remake from Akira's Music Space
  type: MusicAlbum
  date published: 2019-11-30
album: エリーゼのために
  type: MusicAlbum
  date published: 2021-01-23
album: for Elise
  type: MusicAlbum
  date published: 2021-01-23
album: Pieces for the Young
  type: MusicAlbum
  date published: 2021-12-04
album: Melodic Pieces
  type: MusicAlbum
  date published: 2022-01-22
album: Sound of Harpsichord - Notebook for Anna Magdalena
  type: MusicAlbum
  date published: 2022-02-26
album: サウンド・オブ・ハープシコード アンナ・マグダレーナのための音楽帳
  type: MusicAlbum
  date published: 2022-02-26
album: Sound of Harpsichord - Nannerl's Music Book
  type: MusicAlbum
  date published: 2022-07-02
album: Morning Prayer
  type: MusicAlbum
  date published: 2024-07-27