SADVAY
type: MusicGroup
genre: k-rap
popularity: 2
followers: 782
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa63bb8c3b0ef88d60f56567c94594ea76194e9780274471272d51cbdc63b7f76
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954124
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7bacc4d6-eb94-4e0a-bafc-032b5de6c9a1.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7bacc4d6-eb94-4e0a-bafc-032b5de6c9a1.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/7bacc4d6-eb94-4e0a-bafc-032b5de6c9a1
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T18:22:18Z
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 0xa63bb8c3b0ef88d60f56567c94594ea76194e9780274471272d51cbdc63b7f76. Chain 2 (Bitcoin): anchored in block 954124 (2026-06-17T18:22:18Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7bacc4d6-eb94-4e0a-bafc-032b5de6c9a1.json and https://artists.proofprofile.net/proofs/artist/7bacc4d6-eb94-4e0a-bafc-032b5de6c9a1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T18:22:18Z
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  type: MusicAlbum
  date published: 2019-02-18
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  date published: 2020-03-02
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  type: MusicAlbum
  date published: 2020-09-29
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  type: MusicAlbum
  date published: 2021-04-20
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  type: MusicAlbum
  date published: 2021-08-09
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  type: MusicAlbum
  date published: 2021-11-08
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  type: MusicAlbum
  date published: 2022-06-06
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  type: MusicAlbum
  date published: 2022-09-06