Hazmatt
type: MusicGroup
genre: reggae rock
popularity: 2
followers: 265
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcda14bad014eaa87b2702da731acd524050a25c9f2f3e66256bc8112d9a785d9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954115
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954115
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/78b8c927-63b0-48a1-bb00-3b52438c6885.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/78b8c927-63b0-48a1-bb00-3b52438c6885.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/78b8c927-63b0-48a1-bb00-3b52438c6885
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T15:44:10Z
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 0xcda14bad014eaa87b2702da731acd524050a25c9f2f3e66256bc8112d9a785d9. Chain 2 (Bitcoin): anchored in block 954115 (2026-06-17T15:44:10Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/78b8c927-63b0-48a1-bb00-3b52438c6885.json and https://artists.proofprofile.net/proofs/artist/78b8c927-63b0-48a1-bb00-3b52438c6885.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T15:44:10Z
album: Get Away (feat. Sojourn)
  type: MusicAlbum
  date published: 2014-06-15
album: Reggae Party
  type: MusicAlbum
  date published: 2016-07-12
album: Meditate
  type: MusicAlbum
  date published: 2017-07-15
album: Good Fight
  type: MusicAlbum
  date published: 2017-07-15
album: High Road
  type: MusicAlbum
  date published: 2020-04-02
album: Breathe
  type: MusicAlbum
  date published: 2021-08-15
album: Hazmatt Meets Scientist
  type: MusicAlbum
  date published: 2021-11-18
album: Easy Livin
  type: MusicAlbum
  date published: 2022-08-10
album: First In Line
  type: MusicAlbum
  date published: 2023-12-29
album: Go Flex
  type: MusicAlbum
  date published: 2024-01-09
album: Across the Sea
  type: MusicAlbum
  date published: 2024-05-01
album: We Fall
  type: MusicAlbum
  date published: 2024-11-05
album: California Sunshine
  type: MusicAlbum
  date published: 2025-07-20