Chapman
type: MusicGroup
genre: dubstep
popularity: 4
followers: 99
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb521a6d6d3764031b913dd183722586750e62af463bd44c0d1a9ede6a63eee60
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954066
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954066
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/5f6492af-05b9-4ef9-bcac-ac516c3048c2.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/5f6492af-05b9-4ef9-bcac-ac516c3048c2.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/5f6492af-05b9-4ef9-bcac-ac516c3048c2
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
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 0xb521a6d6d3764031b913dd183722586750e62af463bd44c0d1a9ede6a63eee60. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/5f6492af-05b9-4ef9-bcac-ac516c3048c2.json and https://artists.proofprofile.net/proofs/artist/5f6492af-05b9-4ef9-bcac-ac516c3048c2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
album: When You Tell Me You Love Me
  type: MusicAlbum
  date published: 2012-03-02
album: Human Sea
  type: MusicAlbum
  date published: 2012-04-06
album: Moving
  type: MusicAlbum
  date published: 2012-05-04
album: Yes, I Do
  type: MusicAlbum
  date published: 2012-06-01
album: Home
  type: MusicAlbum
  date published: 2012-07-06
album: Over My Head
  type: MusicAlbum
  date published: 2012-08-03
album: No Further
  type: MusicAlbum
  date published: 2012-09-07
album: The Price of My Heart
  type: MusicAlbum
  date published: 2012-10-05
album: Butterfly
  type: MusicAlbum
  date published: 2012-11-02
album: Skyscraper
  type: MusicAlbum
  date published: 2012-12-07
album: Colossus: EP
  type: MusicAlbum
  date published: 2019-07-19
album: Colossus - EP
  type: MusicAlbum
  date published: 2019-07-19
album: Bad Man
  type: MusicAlbum
  date published: 2023-09-22
album: Bad Man EP
  type: MusicAlbum
  date published: 2023-09-22