Fjemmer
type: MusicGroup
popularity: 3
followers: 212
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc4a3a0ed0019e24a3334ff99efd7728a601160ff38eaf3a2eee342502c03e65d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954035
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954035
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3c5a83e0-3ec7-47c9-b78a-25f700b1111d.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3c5a83e0-3ec7-47c9-b78a-25f700b1111d.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/3c5a83e0-3ec7-47c9-b78a-25f700b1111d
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T02:39:28Z
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 0xc4a3a0ed0019e24a3334ff99efd7728a601160ff38eaf3a2eee342502c03e65d. Chain 2 (Bitcoin): anchored in block 954035 (2026-06-17T02:39:28Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3c5a83e0-3ec7-47c9-b78a-25f700b1111d.json and https://artists.proofprofile.net/proofs/artist/3c5a83e0-3ec7-47c9-b78a-25f700b1111d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T02:39:28Z
album: Buitenbad
  type: MusicAlbum
  date published: 2022-03-29
album: Mood On
  type: MusicAlbum
  date published: 2023-03-18
album: Hersenscheetjes
  type: MusicAlbum
  date published: 2023-06-14
album: Kameleon
  type: MusicAlbum
  date published: 2023-09-14
album: VRIJDAG
  type: MusicAlbum
  date published: 2024-02-23
album: Level Up
  type: MusicAlbum
  date published: 2024-07-10
album: Douche
  type: MusicAlbum
  date published: 2024-09-11
album: FJEMMERVERSE
  type: MusicAlbum
  date published: 2025-01-24
album: CUM LAUDER
  type: MusicAlbum
  date published: 2025-04-04
album: CLASSIC
  type: MusicAlbum
  date published: 2025-07-31