18th Dye
type: MusicGroup
genre: noise rock
genre: slowcore
description: 18th Dye was a Berlin-based German/Danish noise rock band formed in 1992 by Sebastian Büttrich (vocals, guitar), Heike Rädeker (vocals, bass) and Piet Breinholm-Bendtsen (drums). They broke up in 1999
popularity: 5
followers: 1273
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9a1958bfbf35c1c9556a4c470e0577ef79b57577117e75a334e207eb747cd1f5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954742
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954742
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/fecfbfec-844d-45bb-b108-49c88b0fd68a.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/fecfbfec-844d-45bb-b108-49c88b0fd68a.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/fecfbfec-844d-45bb-b108-49c88b0fd68a
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T20:46:40Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x9a1958bfbf35c1c9556a4c470e0577ef79b57577117e75a334e207eb747cd1f5","name":"18th Dye","registered_at":"2026-06-21T18:28:34Z","symbol":"NIM1999639","token_address":"0x77ba4adacfb1ff1db5b467f22d2004e43402ce2c","type":"artist","uuid":"fecfbfec-844d-45bb-b108-49c88b0fd68a"}
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a1958bfbf35c1c9556a4c470e0577ef79b57577117e75a334e207eb747cd1f5. Chain 2 (Bitcoin): anchored in block 954742 (2026-06-21T20:46:40Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/fecfbfec-844d-45bb-b108-49c88b0fd68a.json and https://artists.proofprofile.net/proofs/artist/fecfbfec-844d-45bb-b108-49c88b0fd68a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T20:46:40Z
  text: {"copyright_id":"0x9a1958bfbf35c1c9556a4c470e0577ef79b57577117e75a334e207eb747cd1f5","name":"18th Dye","registered_at":"2026-06-21T18:28:34Z","symbol":"NIM1999639","token_address":"0x77ba4adacfb1ff1db5b467f22d2004e43402ce2c","type":"artist","uuid":"fecfbfec-844d-45bb-b108-49c88b0fd68a"}
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