NINEXCIX
type: MusicGroup
popularity: 21
followers: 1298
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7db273b50da4871408664b677ed3262602e58574e280bec67fda2dd676c24fd3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/6873a84c-a6f2-4026-9ad8-506a4e9abc35.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/6873a84c-a6f2-4026-9ad8-506a4e9abc35.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/6873a84c-a6f2-4026-9ad8-506a4e9abc35
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
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 0x7db273b50da4871408664b677ed3262602e58574e280bec67fda2dd676c24fd3. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6873a84c-a6f2-4026-9ad8-506a4e9abc35.json and https://artists.proofprofile.net/proofs/artist/6873a84c-a6f2-4026-9ad8-506a4e9abc35.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-12T19:24:56Z
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  date published: 2019-06-09
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  date published: 2019-11-19
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  date published: 2019-12-04
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  type: MusicAlbum
  date published: 2019-12-24
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  date published: 2020-11-04
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  date published: 2020-11-12
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  date published: 2020-12-09
album: SD+R99.9 DISC 1
  type: MusicAlbum
  date published: 2021-02-17
album: SD+R99.9 DISC 2
  type: MusicAlbum
  date published: 2021-02-21
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  date published: 2021-06-16
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  date published: 2021-09-03
album: Let Go
  type: MusicAlbum
  date published: 2021-09-17
album: KMS
  type: MusicAlbum
  date published: 2021-10-23
album: 노력 노래
  type: MusicAlbum
  date published: 2021-10-31
album: CHORIZO
  type: MusicAlbum
  date published: 2022-10-11
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  type: MusicAlbum
  date published: 2022-11-11
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  type: MusicAlbum
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  type: MusicAlbum
  date published: 2024-01-26
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  type: MusicAlbum
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album: Endlessly (wone Remix)
  type: MusicAlbum
  date published: 2024-02-09
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
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