De Stoempers
type: MusicGroup
popularity: 22
followers: 1465
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x738324d7801236ac3cc19f2096b7c327b25a8218858b1eb7f77a68a4d95209ae
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2f758be4-d3ca-4298-b996-3f0c31b98dd7.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2f758be4-d3ca-4298-b996-3f0c31b98dd7.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/2f758be4-d3ca-4298-b996-3f0c31b98dd7
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x738324d7801236ac3cc19f2096b7c327b25a8218858b1eb7f77a68a4d95209ae","name":"De Stoempers","registered_at":"2026-06-11T15:21:47Z","symbol":"NIM0061907","token_address":"0xe7d32bffbafc964d1a87908e994cc709bb345c07","type":"artist","uuid":"2f758be4-d3ca-4298-b996-3f0c31b98dd7"}
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 0x738324d7801236ac3cc19f2096b7c327b25a8218858b1eb7f77a68a4d95209ae. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2f758be4-d3ca-4298-b996-3f0c31b98dd7.json and https://artists.proofprofile.net/proofs/artist/2f758be4-d3ca-4298-b996-3f0c31b98dd7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
  text: {"copyright_id":"0x738324d7801236ac3cc19f2096b7c327b25a8218858b1eb7f77a68a4d95209ae","name":"De Stoempers","registered_at":"2026-06-11T15:21:47Z","symbol":"NIM0061907","token_address":"0xe7d32bffbafc964d1a87908e994cc709bb345c07","type":"artist","uuid":"2f758be4-d3ca-4298-b996-3f0c31b98dd7"}
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  type: MusicAlbum
  date published: 2015-06-26
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  type: MusicAlbum
  date published: 2015-06-26
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  date published: 2017-02-05
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  date published: 2017-02-17
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
  date published: 2019-08-23