モダン・ジャズ・カルテット
type: MusicGroup
genre: cool jazz
popularity: 6
followers: 623
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x87608ed4e2b3e4b328efb9a5a428cc04d3f5785311309c00dc0e453b21fe2383
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953875
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953875
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/08372ebd-cd10-4556-9541-cd9473aeb33b.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/08372ebd-cd10-4556-9541-cd9473aeb33b.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/08372ebd-cd10-4556-9541-cd9473aeb33b
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T02:12:46Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x87608ed4e2b3e4b328efb9a5a428cc04d3f5785311309c00dc0e453b21fe2383","name":"モダン・ジャズ・カルテット","registered_at":"2026-06-15T16:27:29Z","symbol":"NIM0765412","token_address":"0x7351115d89eb99e623030aa9783ce0000f3ca256","type":"artist","uuid":"08372ebd-cd10-4556-9541-cd9473aeb33b"}
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 0x87608ed4e2b3e4b328efb9a5a428cc04d3f5785311309c00dc0e453b21fe2383. Chain 2 (Bitcoin): anchored in block 953875 (2026-06-16T02:12:46Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/08372ebd-cd10-4556-9541-cd9473aeb33b.json and https://artists.proofprofile.net/proofs/artist/08372ebd-cd10-4556-9541-cd9473aeb33b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T02:12:46Z
  text: {"copyright_id":"0x87608ed4e2b3e4b328efb9a5a428cc04d3f5785311309c00dc0e453b21fe2383","name":"モダン・ジャズ・カルテット","registered_at":"2026-06-15T16:27:29Z","symbol":"NIM0765412","token_address":"0x7351115d89eb99e623030aa9783ce0000f3ca256","type":"artist","uuid":"08372ebd-cd10-4556-9541-cd9473aeb33b"}
album: Modern Jazz Quartet
  type: MusicAlbum
  date published: 1991-01-01
album: オール・ザ・ベスト モダン・ジャズ・カルテット
  type: MusicAlbum
  date published: 2020-08-29
album: ビッグ・アーティスト・ライブラリー・ジャズ モダン・ジャズ・カルテット
  type: MusicAlbum
  date published: 2022-06-16