Tuner
type: MusicGroup
popularity: 23
followers: 108
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3623a152bdbd53190184d670b35593638b13bd246b4c9018fda3c2362dd5dc96
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a7c88797-32e6-4242-a76b-df84ae67d171.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a7c88797-32e6-4242-a76b-df84ae67d171.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/a7c88797-32e6-4242-a76b-df84ae67d171
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3623a152bdbd53190184d670b35593638b13bd246b4c9018fda3c2362dd5dc96. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a7c88797-32e6-4242-a76b-df84ae67d171.json and https://artists.proofprofile.net/proofs/artist/a7c88797-32e6-4242-a76b-df84ae67d171.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:28:13Z
album: 9 loaves, 5 fishes
  type: MusicAlbum
  date published: 2008-03-03
album: Moments of Life
  type: MusicAlbum
  date published: 2013-04-26
album: The Importance Of Yar
  type: MusicAlbum
  date published: 2014-04-14
album: Roll Another One
  type: MusicAlbum
  date published: 2015-06-08
album: Guitar Tuner Acoustic
  type: MusicAlbum
  date published: 2015-10-18
album: Moments Of Life
  type: MusicAlbum
  date published: 2016-05-27
album: Moments of Life
  type: MusicAlbum
  date published: 2018-09-04