Mahjongg
type: MusicGroup
genre: indie electronic
genre: space rock
popularity: 2
followers: 819
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x050781a5a209ccead1735f16c22a85b77a2b43e77af1a5fbde7572d6430f65ac
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954062
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954062
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/45eb92ef-b454-45bd-8c7c-a0c2307c6e84.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/45eb92ef-b454-45bd-8c7c-a0c2307c6e84.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/45eb92ef-b454-45bd-8c7c-a0c2307c6e84
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T07:39:10Z
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 0x050781a5a209ccead1735f16c22a85b77a2b43e77af1a5fbde7572d6430f65ac. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/45eb92ef-b454-45bd-8c7c-a0c2307c6e84.json and https://artists.proofprofile.net/proofs/artist/45eb92ef-b454-45bd-8c7c-a0c2307c6e84.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:10:43Z
album: Machinegong
  type: MusicAlbum
  date published: 2004-01-20
album: Machinegong
  type: MusicAlbum
  date published: 2004-01-20
album: Machinegong
  type: MusicAlbum
  date published: 2004-01-20
album: Machinegong
  type: MusicAlbum
  date published: 2004-01-20
album: Raydoncong
  type: MusicAlbum
  date published: 2005-03-22
album: Raydoncong
  type: MusicAlbum
  date published: 2005-03-22
album: Raydoncong
  type: MusicAlbum
  date published: 2005-03-22
album: Kontpab
  type: MusicAlbum
  date published: 2008-01-01
album: Kontpab
  type: MusicAlbum
  date published: 2008-01-22
album: Kontpab
  type: MusicAlbum
  date published: 2008-01-22
album: Kontpab
  type: MusicAlbum
  date published: 2008-01-22
album: Free Groove Rider
  type: MusicAlbum
  date published: 2008-11-04
album: The Long Shadow of the Paper Tiger
  type: MusicAlbum
  date published: 2010-07-20
album: The Long Shadow of the Paper Tiger
  type: MusicAlbum
  date published: 2010-07-20