Ken
type: MusicGroup
genre: k-ballad
description: Ken or KEN may refer to: Entertainment Ken (album), a 2017 album by Canadian indie rock band Destroyer Ken (film), a 1965 Japanese film Ken (magazine), a large-format political magazine Ken Maste
popularity: 11
followers: 179
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xac63e1921e453ebbb57f1f9ff2383ee069511fdd9f81f517d6205e42b1f30216
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953742
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953742
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9ac9fd78-59a2-4f2d-be28-01f8641d8303.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9ac9fd78-59a2-4f2d-be28-01f8641d8303.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/9ac9fd78-59a2-4f2d-be28-01f8641d8303
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T04:47:56Z
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 0xac63e1921e453ebbb57f1f9ff2383ee069511fdd9f81f517d6205e42b1f30216. Chain 2 (Bitcoin): anchored in block 953742 (2026-06-15T04:47:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9ac9fd78-59a2-4f2d-be28-01f8641d8303.json and https://artists.proofprofile.net/proofs/artist/9ac9fd78-59a2-4f2d-be28-01f8641d8303.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T04:47:56Z
album: ずっと君の隣りで
  type: MusicAlbum
  date published: 2024-04-24
album: Own the Night
  type: MusicAlbum
  date published: 2024-07-02
album: Happy House Summer
  type: MusicAlbum
  date published: 2024-08-12
album: Broken Heart
  type: MusicAlbum
  date published: 2024-09-20