Amateras
type: MusicGroup
genre: j-rap
popularity: 10
followers: 605
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8fc2881e83a0a1ae54751b5e923485ca0c70321ea0ccfd8615861be85ae8928a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954569
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954569
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b02d2c72-14f2-43bf-b7ec-0f58d48efe93.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b02d2c72-14f2-43bf-b7ec-0f58d48efe93.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/b02d2c72-14f2-43bf-b7ec-0f58d48efe93
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T14:36:29Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8fc2881e83a0a1ae54751b5e923485ca0c70321ea0ccfd8615861be85ae8928a. Chain 2 (Bitcoin): anchored in block 954569 (2026-06-20T14:36:29Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b02d2c72-14f2-43bf-b7ec-0f58d48efe93.json and https://artists.proofprofile.net/proofs/artist/b02d2c72-14f2-43bf-b7ec-0f58d48efe93.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-20T14:36:29Z
album: Fly to the Sky
  type: MusicAlbum
  date published: 2020-05-07
album: Catch the Light (Remaster)
  type: MusicAlbum
  date published: 2020-05-07
album: Not release the ball
  type: MusicAlbum
  date published: 2022-11-09
album: 明日、ってか今日
  type: MusicAlbum
  date published: 2023-12-13
album: EP-Amateras
  type: MusicAlbum
  date published: 2024-11-22
album: アマテは誰だ？
  type: MusicAlbum
  date published: 2024-12-25
album: 山月記
  type: MusicAlbum
  date published: 2025-04-30