Miku&Her Friends
type: MusicGroup
genre: anime
popularity: 16
followers: 4175
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa2c6586d60ff11ca6a7c113276140763c80eae56f20a54948e7d1c12e75f1c71
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953616
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953616
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/198364ec-d8dd-4126-a267-9b5899ff9bf8.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/198364ec-d8dd-4126-a267-9b5899ff9bf8.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/198364ec-d8dd-4126-a267-9b5899ff9bf8
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T08:58:35Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa2c6586d60ff11ca6a7c113276140763c80eae56f20a54948e7d1c12e75f1c71","name":"Miku&Her Friends","registered_at":"2026-06-14T07:05:12Z","symbol":"NIM0375908","token_address":"0xbf517ea60d4c5e6e8788fda7c51ec7384a350ee8","type":"artist","uuid":"198364ec-d8dd-4126-a267-9b5899ff9bf8"}
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 0xa2c6586d60ff11ca6a7c113276140763c80eae56f20a54948e7d1c12e75f1c71. Chain 2 (Bitcoin): anchored in block 953616 (2026-06-14T08:58:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/198364ec-d8dd-4126-a267-9b5899ff9bf8.json and https://artists.proofprofile.net/proofs/artist/198364ec-d8dd-4126-a267-9b5899ff9bf8.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T08:58:35Z
  text: {"copyright_id":"0xa2c6586d60ff11ca6a7c113276140763c80eae56f20a54948e7d1c12e75f1c71","name":"Miku&Her Friends","registered_at":"2026-06-14T07:05:12Z","symbol":"NIM0375908","token_address":"0xbf517ea60d4c5e6e8788fda7c51ec7384a350ee8","type":"artist","uuid":"198364ec-d8dd-4126-a267-9b5899ff9bf8"}
album: Happy Happy, Vol. 3 (Japan Anime Special)
  type: MusicAlbum
  date published: 2012
album: Gangnam Style
  type: MusicAlbum
  date published: 2012-12-07
album: Happy Happy, Vol. 2 (Japan Anime Special)
  type: MusicAlbum
  date published: 2012-12-07
album: Scarborough Fair
  type: MusicAlbum
  date published: 2012-12-07
album: Happy Happy, Vol. 4 (Japan Anime Special)
  type: MusicAlbum
  date published: 2013-03-22
album: Happy Happy, Vol. 5 (Japan Anime Special)
  type: MusicAlbum
  date published: 2013-03-29
album: Happy Happy, Vol. 6 (Japan Anime Special)
  type: MusicAlbum
  date published: 2014-07-18
album: Happy Happy, Vol. 7 (Japan Anime Special)
  type: MusicAlbum
  date published: 2014-10-30
album: Happy Happy, Vol.8 (Japan Anime Special)
  type: MusicAlbum
  date published: 2014-12-05
album: Happy Happy, Vol. 7 (Japan Anime Special)
  type: MusicAlbum
  date published: 2015-12-01
album: Happy Happy, Vol. 1 (Japan Anime Special)
  type: MusicAlbum
  date published: 2015-12-01
album: Happy Happy, Vol. 9 (Japan Anime Special)
  type: MusicAlbum
  date published: 2016-10-13
album: Happy Happy, Vol. 10 (Japan Anime Special)
  type: MusicAlbum
  date published: 2016-10-20
album: Happy Happy, Vol. 11 (Japan Anime Special)
  type: MusicAlbum
  date published: 2016-10-27
album: Happy Happy, Vol. 13 (Japan Anime Special)
  type: MusicAlbum
  date published: 2016-11-10