Matt Cosgrove
type: MusicGroup
popularity: 3
followers: 205
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x562a774f80a300ca227e94ef0dbc2757a05864c53cb7c72699eba55f4d576f49
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954549
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954549
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a9db96ab-2cd7-4a25-a2d3-595941d23cc4.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a9db96ab-2cd7-4a25-a2d3-595941d23cc4.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/a9db96ab-2cd7-4a25-a2d3-595941d23cc4
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T10:56:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x562a774f80a300ca227e94ef0dbc2757a05864c53cb7c72699eba55f4d576f49","name":"Matt Cosgrove","registered_at":"2026-06-20T08:50:44Z","symbol":"NIM1571438","token_address":"0x3d6cf408eb76845b99fb6c766494f52eaa0aa39f","type":"artist","uuid":"a9db96ab-2cd7-4a25-a2d3-595941d23cc4"}
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 0x562a774f80a300ca227e94ef0dbc2757a05864c53cb7c72699eba55f4d576f49. Chain 2 (Bitcoin): anchored in block 954549 (2026-06-20T10:56:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a9db96ab-2cd7-4a25-a2d3-595941d23cc4.json and https://artists.proofprofile.net/proofs/artist/a9db96ab-2cd7-4a25-a2d3-595941d23cc4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T10:56:20Z
  text: {"copyright_id":"0x562a774f80a300ca227e94ef0dbc2757a05864c53cb7c72699eba55f4d576f49","name":"Matt Cosgrove","registered_at":"2026-06-20T08:50:44Z","symbol":"NIM1571438","token_address":"0x3d6cf408eb76845b99fb6c766494f52eaa0aa39f","type":"artist","uuid":"a9db96ab-2cd7-4a25-a2d3-595941d23cc4"}
album: Matt Cosgrove
  type: MusicAlbum
  date published: 2018-12-14
album: Whiskey Rain
  type: MusicAlbum
  date published: 2024-05-24
album: Losin' Her
  type: MusicAlbum
  date published: 2024-07-12
album: Losses
  type: MusicAlbum
  date published: 2024-08-23
album: Whiskey Scars
  type: MusicAlbum
  date published: 2025-01-24
album: Finding You
  type: MusicAlbum
  date published: 2025-03-21
album: Finding You (Unplugged)
  type: MusicAlbum
  date published: 2025-08-01