Velladon
type: MusicGroup
genre: drone
genre: post-rock
popularity: 2
followers: 587
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6c4ca81d7978ce052d413bf5c5a822e2bb0f495ad48bfcae39e32bed0331de75
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954667
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954667
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d53980ee-e86b-46bd-a40a-773ce2a6833b.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d53980ee-e86b-46bd-a40a-773ce2a6833b.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/d53980ee-e86b-46bd-a40a-773ce2a6833b
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T07:29:20Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c4ca81d7978ce052d413bf5c5a822e2bb0f495ad48bfcae39e32bed0331de75. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d53980ee-e86b-46bd-a40a-773ce2a6833b.json and https://artists.proofprofile.net/proofs/artist/d53980ee-e86b-46bd-a40a-773ce2a6833b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T07:29:20Z
album: Forbidden Colors
  type: MusicAlbum
  date published: 2019-05-16
album: DEMONS
  type: MusicAlbum
  date published: 2019-05-16
album: Forbidden Colors
  type: MusicAlbum
  date published: 2019-05-16
album: universe (feat. Ohzora Kimishima, Kou Machida, Shuntaro Tanikawa, Yukari Takinami, Moichi Kuwahara, Cirpue du soleike, Haruka & Torii)
  type: MusicAlbum
  date published: 2019-09-19
album: universe (feat. 君島大空, 町田康, 谷川俊太郎, 瀧波ユカリ, 桑原茂一, それゆけちゃん, Haruka & 鳥居)
  type: MusicAlbum
  date published: 2019-09-19
album: Hell
  type: MusicAlbum
  date published: 2019-12-21
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  type: MusicAlbum
  date published: 2020-04-18
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  type: MusicAlbum
  date published: 2020-05-13
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  type: MusicAlbum
  date published: 2020-05-27
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  type: MusicAlbum
  date published: 2020-06-03
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  type: MusicAlbum
  date published: 2020-07-24
album: Universe (feat.君島大空)
  type: MusicAlbum
  date published: 2020-08-14
album: Universe
  type: MusicAlbum
  date published: 2020-08-15
album: Lunacy Lunacy Lunacy
  type: MusicAlbum
  date published: 2020-12-25
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  type: MusicAlbum
  date published: 2021-03-14
album: 雪が降つてゐる……
  type: MusicAlbum
  date published: 2021-04-18
album: 雪が降つてゐる……
  type: MusicAlbum
  date published: 2021-04-29
album: gravity
  type: MusicAlbum
  date published: 2023-09-06