Martin Hellfritzsch
type: MusicGroup
popularity: 3
followers: 336
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x41b3b5fa69052e95c12b1e110abb33bde785fe909862efa1c67d9e8b8ea764d3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953886
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953886
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0b0e0528-a9b6-47fd-a0e8-ae7890ccc81c.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0b0e0528-a9b6-47fd-a0e8-ae7890ccc81c.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/0b0e0528-a9b6-47fd-a0e8-ae7890ccc81c
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T04:37:45Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x41b3b5fa69052e95c12b1e110abb33bde785fe909862efa1c67d9e8b8ea764d3","name":"Martin Hellfritzsch","registered_at":"2026-06-15T17:25:06Z","symbol":"NIM0779161","token_address":"0x50e1247c4713dc6666c5a0dcd9714011d82f7291","type":"artist","uuid":"0b0e0528-a9b6-47fd-a0e8-ae7890ccc81c"}
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 0x41b3b5fa69052e95c12b1e110abb33bde785fe909862efa1c67d9e8b8ea764d3. Chain 2 (Bitcoin): anchored in block 953949 (2026-06-16T13:28:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0b0e0528-a9b6-47fd-a0e8-ae7890ccc81c.json and https://artists.proofprofile.net/proofs/artist/0b0e0528-a9b6-47fd-a0e8-ae7890ccc81c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T13:28:01Z
  text: {"copyright_id":"0x41b3b5fa69052e95c12b1e110abb33bde785fe909862efa1c67d9e8b8ea764d3","name":"Martin Hellfritzsch","registered_at":"2026-06-15T17:25:06Z","symbol":"NIM0779161","token_address":"0x50e1247c4713dc6666c5a0dcd9714011d82f7291","type":"artist","uuid":"0b0e0528-a9b6-47fd-a0e8-ae7890ccc81c"}
album: The JCT
  type: MusicAlbum
  date published: 2013-02-10
album: The JCT (Brian Berg Remix)
  type: MusicAlbum
  date published: 2013-07-05
album: Barbados
  type: MusicAlbum
  date published: 2014-08-04
album: Say What
  type: MusicAlbum
  date published: 2015-09-28
album: Say What
  type: MusicAlbum
  date published: 2015-09-28
album: Hot Shit EP
  type: MusicAlbum
  date published: 2016-08-08
album: Ghetto Talk
  type: MusicAlbum
  date published: 2017-02-10
album: Strictly Business
  type: MusicAlbum
  date published: 2017-03-24
album: Chick Logic
  type: MusicAlbum
  date published: 2017-04-03
album: Dope Groove
  type: MusicAlbum
  date published: 2017-04-21
album: At The Party EP
  type: MusicAlbum
  date published: 2017-07-10
album: Fiyah
  type: MusicAlbum
  date published: 2017-08-11
album: All Right
  type: MusicAlbum
  date published: 2017-12-08
album: Body Connection
  type: MusicAlbum
  date published: 2018-02-02
album: Walked In
  type: MusicAlbum
  date published: 2018-08-02
album: Got Game
  type: MusicAlbum
  date published: 2019-10-14