21kmel
type: MusicGroup
popularity: 2
followers: 239
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb2baf9dd1656ea90699dc07ecf4b90f7232168ced37fc336f4e8b6c1b3184df6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953860
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953860
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/034575ee-55bb-4239-b94e-fc231896eedd.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/034575ee-55bb-4239-b94e-fc231896eedd.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/034575ee-55bb-4239-b94e-fc231896eedd
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T23:55:46Z
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 0xb2baf9dd1656ea90699dc07ecf4b90f7232168ced37fc336f4e8b6c1b3184df6. Chain 2 (Bitcoin): anchored in block 953877 (2026-06-16T02:39:16Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/034575ee-55bb-4239-b94e-fc231896eedd.json and https://artists.proofprofile.net/proofs/artist/034575ee-55bb-4239-b94e-fc231896eedd.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T02:39:16Z
album: They Know
  type: MusicAlbum
  date published: 2020-08-01
album: Where You Been At?
  type: MusicAlbum
  date published: 2020-11-21
album: I just caught a opp
  type: MusicAlbum
  date published: 2020-11-23
album: kick door lesson Pt. 1
  type: MusicAlbum
  date published: 2020-11-24
album: Lost Boy
  type: MusicAlbum
  date published: 2021-07-22
album: Chapter 19
  type: MusicAlbum
  date published: 2022-01-04
album: Rock Out
  type: MusicAlbum
  date published: 2022-02-27
album: Last Of The 21K
  type: MusicAlbum
  date published: 2022-07-16
album: SKILLA FLOW
  type: MusicAlbum
  date published: 2022-11-13
album: MURDUH
  type: MusicAlbum
  date published: 2023-01-23
album: Welcome to Murderville
  type: MusicAlbum
  date published: 2023-10-30