E.M. Cooper
type: MusicGroup
genre: acoustic rock
popularity: 10
followers: 140
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xaf2e097ecd66288fd21a6727400cb2d99da6c28357e5243a5754b3a2e5cdb949
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954516
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954516
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a395da39-8dcf-4e58-97c6-25644cda907f.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a395da39-8dcf-4e58-97c6-25644cda907f.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/a395da39-8dcf-4e58-97c6-25644cda907f
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T07:04:44Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xaf2e097ecd66288fd21a6727400cb2d99da6c28357e5243a5754b3a2e5cdb949","name":"E.M. Cooper","registered_at":"2026-06-20T06:19:45Z","symbol":"NIM1541713","token_address":"0x26b5d708b4ce5628f761ff268de05c61f2a6bda8","type":"artist","uuid":"a395da39-8dcf-4e58-97c6-25644cda907f"}
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 0xaf2e097ecd66288fd21a6727400cb2d99da6c28357e5243a5754b3a2e5cdb949. Chain 2 (Bitcoin): anchored in block 954516 (2026-06-20T07:04:44Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a395da39-8dcf-4e58-97c6-25644cda907f.json and https://artists.proofprofile.net/proofs/artist/a395da39-8dcf-4e58-97c6-25644cda907f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T07:04:44Z
  text: {"copyright_id":"0xaf2e097ecd66288fd21a6727400cb2d99da6c28357e5243a5754b3a2e5cdb949","name":"E.M. Cooper","registered_at":"2026-06-20T06:19:45Z","symbol":"NIM1541713","token_address":"0x26b5d708b4ce5628f761ff268de05c61f2a6bda8","type":"artist","uuid":"a395da39-8dcf-4e58-97c6-25644cda907f"}
album: Acoustic Covers
  type: MusicAlbum
  date published: 2020-09-20
album: Thank U (Acoustic Version)
  type: MusicAlbum
  date published: 2021-02-15
album: Acoustic Covers 2
  type: MusicAlbum
  date published: 2021-03-22
album: Put Your Arms Around Me
  type: MusicAlbum
  date published: 2021-04-26
album: Nightminds
  type: MusicAlbum
  date published: 2021-05-31
album: The Joke
  type: MusicAlbum
  date published: 2021-06-28
album: Rolling in the Deep (Acoustic Version)
  type: MusicAlbum
  date published: 2021-09-27
album: Suddenly I See
  type: MusicAlbum
  date published: 2023-03-23
album: Hand in My Pocket
  type: MusicAlbum
  date published: 2024-05-06
album: One Way or Another
  type: MusicAlbum
  date published: 2024-06-03
album: You’re Still the One
  type: MusicAlbum
  date published: 2024-08-19
album: Your Song
  type: MusicAlbum
  date published: 2024-09-16
album: Say What You Want
  type: MusicAlbum
  date published: 2024-10-14
album: Breathe
  type: MusicAlbum
  date published: 2024-11-11
album: Purple
  type: MusicAlbum
  date published: 2024-12-09
album: Rotterdam
  type: MusicAlbum
  date published: 2025-01-06
album: Kiss Me
  type: MusicAlbum
  date published: 2025-02-17