Evan Chapman
type: MusicGroup
popularity: 3
followers: 305
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x88893e5dfc1dbe5aab42f6b3753e54250f5bbfb0a08872045c8a40bba8cd8fe7
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/a2b0057a-df79-4a89-b1e1-af10e85f37b7.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a2b0057a-df79-4a89-b1e1-af10e85f37b7.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/a2b0057a-df79-4a89-b1e1-af10e85f37b7
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T07:04:44Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x88893e5dfc1dbe5aab42f6b3753e54250f5bbfb0a08872045c8a40bba8cd8fe7","name":"Evan Chapman","registered_at":"2026-06-20T06:20:12Z","symbol":"NIM1538268","token_address":"0x5beb955cea683f898305e859f7615f3b295580f8","type":"artist","uuid":"a2b0057a-df79-4a89-b1e1-af10e85f37b7"}
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 0x88893e5dfc1dbe5aab42f6b3753e54250f5bbfb0a08872045c8a40bba8cd8fe7. 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/a2b0057a-df79-4a89-b1e1-af10e85f37b7.json and https://artists.proofprofile.net/proofs/artist/a2b0057a-df79-4a89-b1e1-af10e85f37b7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T07:04:44Z
  text: {"copyright_id":"0x88893e5dfc1dbe5aab42f6b3753e54250f5bbfb0a08872045c8a40bba8cd8fe7","name":"Evan Chapman","registered_at":"2026-06-20T06:20:12Z","symbol":"NIM1538268","token_address":"0x5beb955cea683f898305e859f7615f3b295580f8","type":"artist","uuid":"a2b0057a-df79-4a89-b1e1-af10e85f37b7"}
album: Spring Forward
  type: MusicAlbum
  date published: 2012-06-01
album: Caustics
  type: MusicAlbum
  date published: 2020-04-10
album: Fractions
  type: MusicAlbum
  date published: 2024-08-13
album: Fractions
  type: MusicAlbum
  date published: 2024-08-13
album: Bodies
  type: MusicAlbum
  date published: 2024-09-04
album: Mirrors
  type: MusicAlbum
  date published: 2024-09-24
album: Reveries
  type: MusicAlbum
  date published: 2024-10-11
album: Reveries
  type: MusicAlbum
  date published: 2024-10-11