secondrate
type: MusicGroup
genre: j-pop
popularity: 4
followers: 552
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0d441934aecc668c3209eb4500c297063a4480a57f2487af18caae6d4d4bb242
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954549
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954549
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a725e7fd-6fb6-453a-b59f-8dc2f7e4dc7d.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a725e7fd-6fb6-453a-b59f-8dc2f7e4dc7d.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/a725e7fd-6fb6-453a-b59f-8dc2f7e4dc7d
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T10:56:20Z
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 0x0d441934aecc668c3209eb4500c297063a4480a57f2487af18caae6d4d4bb242. Chain 2 (Bitcoin): anchored in block 954549 (2026-06-20T10:56:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a725e7fd-6fb6-453a-b59f-8dc2f7e4dc7d.json and https://artists.proofprofile.net/proofs/artist/a725e7fd-6fb6-453a-b59f-8dc2f7e4dc7d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T10:56:20Z
album: SECONDRATE
  type: MusicAlbum
  date published: 2016-08-18
album: SECONDRATE
  type: MusicAlbum
  date published: 2016-08-18
album: SECONDRATE2
  type: MusicAlbum
  date published: 2017-05-30
album: SECONDRATE2
  type: MusicAlbum
  date published: 2017-05-30
album: Forever
  type: MusicAlbum
  date published: 2018-07-02
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  type: MusicAlbum
  date published: 2018-07-02
album: 恋花火
  type: MusicAlbum
  date published: 2019-08-02
album: Koihanabi
  type: MusicAlbum
  date published: 2019-08-02
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  type: MusicAlbum
  date published: 2019-12-22
album: 君と10のエピグラフ
  type: MusicAlbum
  date published: 2019-12-22
album: 君と10のエピグラフ
  type: MusicAlbum
  date published: 2020-02-02
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  type: MusicAlbum
  date published: 2020-07-18
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  type: MusicAlbum
  date published: 2020-07-18
album: いまさら、君に
  type: MusicAlbum
  date published: 2021-03-06
album: ImasaraKimini
  type: MusicAlbum
  date published: 2021-03-06
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  type: MusicAlbum
  date published: 2025-08-13
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  type: MusicAlbum
  date published: 2025-08-13