K4000
type: MusicGroup
genre: lo-fi house
popularity: 4
followers: 452
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc117e2a8995b3b487ba4ecd343358f6191fbe3b3713f3f777006cf09783328df
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954065
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954065
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/492b3178-c9fa-461e-a6dd-134b7825a84a.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/492b3178-c9fa-461e-a6dd-134b7825a84a.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/492b3178-c9fa-461e-a6dd-134b7825a84a
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:10:43Z
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 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 0xc117e2a8995b3b487ba4ecd343358f6191fbe3b3713f3f777006cf09783328df. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/492b3178-c9fa-461e-a6dd-134b7825a84a.json and https://artists.proofprofile.net/proofs/artist/492b3178-c9fa-461e-a6dd-134b7825a84a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:10:43Z
album: Altitude
  type: MusicAlbum
  date published: 2019-10-26
album: Notes
  type: MusicAlbum
  date published: 2019-10-26
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album: N I G H T S H I F T
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album: Heat
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  type: MusicAlbum
  date published: 2021-04-01
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  type: MusicAlbum
  date published: 2021-04-21
album: Go Mode (No Time to Waste)
  type: MusicAlbum
  date published: 2021-05-04
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  type: MusicAlbum
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album: Island
  type: MusicAlbum
  date published: 2021-05-17
album: Practice Makes
  type: MusicAlbum
  date published: 2021-05-28
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  type: MusicAlbum
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album: Leaf and Page
  type: MusicAlbum
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album: Summer
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album: Walk
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album: May
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album: Every Beat is a Blessing (Heart)
  type: MusicAlbum
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album: Guidance
  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
  date published: 2025-08-21