De Delvers
type: MusicGroup
genre: cold wave
popularity: 2
followers: 208
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4a02f4bf1b5b8f9a68285ac17afa7ec0ed0addf6e4adc9e0eaf2d6bce8b58269
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954603
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954603
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c43378b6-1858-4b06-be26-4f5dfb014a37.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c43378b6-1858-4b06-be26-4f5dfb014a37.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c43378b6-1858-4b06-be26-4f5dfb014a37
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T21:47:54Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4a02f4bf1b5b8f9a68285ac17afa7ec0ed0addf6e4adc9e0eaf2d6bce8b58269","name":"De Delvers","registered_at":"2026-06-20T20:14:46Z","symbol":"NIM1704539","token_address":"0x5c36323bf8b1bf48bacfbe22a662bfa16c619bee","type":"artist","uuid":"c43378b6-1858-4b06-be26-4f5dfb014a37"}
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 0x4a02f4bf1b5b8f9a68285ac17afa7ec0ed0addf6e4adc9e0eaf2d6bce8b58269. Chain 2 (Bitcoin): anchored in block 954603 (2026-06-20T21:47:54Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c43378b6-1858-4b06-be26-4f5dfb014a37.json and https://artists.proofprofile.net/proofs/artist/c43378b6-1858-4b06-be26-4f5dfb014a37.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T21:47:54Z
  text: {"copyright_id":"0x4a02f4bf1b5b8f9a68285ac17afa7ec0ed0addf6e4adc9e0eaf2d6bce8b58269","name":"De Delvers","registered_at":"2026-06-20T20:14:46Z","symbol":"NIM1704539","token_address":"0x5c36323bf8b1bf48bacfbe22a662bfa16c619bee","type":"artist","uuid":"c43378b6-1858-4b06-be26-4f5dfb014a37"}
album: En Als De Nacht Valt
  type: MusicAlbum
  date published: 2018-02-09
album: Alles Vatte Vuur (Live)
  type: MusicAlbum
  date published: 2018-09-21
album: Alles Vatte Vuur
  type: MusicAlbum
  date published: 2018-09-21
album: De Delvers
  type: MusicAlbum
  date published: 2018-12-15
album: Poolnacht
  type: MusicAlbum
  date published: 2019-11-14
album: Siglo XX Sessie ( Live)
  type: MusicAlbum
  date published: 2020-11-26
album: Hart in Neonlicht
  type: MusicAlbum
  date published: 2021-10-08
album: Onder de vloer
  type: MusicAlbum
  date published: 2022-10-07
album: Hart in Neonlicht
  type: MusicAlbum
  date published: 2022-11-04
album: Hoofdspoken
  type: MusicAlbum
  date published: 2023-03-17
album: Koud in Berlijn
  type: MusicAlbum
  date published: 2023-11-14
album: Hoor De Kinderen
  type: MusicAlbum
  date published: 2025-11-04