Matthias Altmann
type: MusicGroup
popularity: 5
followers: 76
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfb019b2d875ad928ff3b512361526c36a97a677374fea73137b5414fd2f7f130
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953875
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953875
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/07cc2638-fbbf-4130-9608-f2c130858c1e.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/07cc2638-fbbf-4130-9608-f2c130858c1e.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/07cc2638-fbbf-4130-9608-f2c130858c1e
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T02:12:46Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xfb019b2d875ad928ff3b512361526c36a97a677374fea73137b5414fd2f7f130","name":"Matthias Altmann","registered_at":"2026-06-15T16:19:11Z","symbol":"NIM0763427","token_address":"0x0c281dbece94f7c8781b87b06ebf8b2b21ce598b","type":"artist","uuid":"07cc2638-fbbf-4130-9608-f2c130858c1e"}
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb019b2d875ad928ff3b512361526c36a97a677374fea73137b5414fd2f7f130. Chain 2 (Bitcoin): anchored in block 953875 (2026-06-16T02:12:46Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/07cc2638-fbbf-4130-9608-f2c130858c1e.json and https://artists.proofprofile.net/proofs/artist/07cc2638-fbbf-4130-9608-f2c130858c1e.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-16T02:12:46Z
  text: {"copyright_id":"0xfb019b2d875ad928ff3b512361526c36a97a677374fea73137b5414fd2f7f130","name":"Matthias Altmann","registered_at":"2026-06-15T16:19:11Z","symbol":"NIM0763427","token_address":"0x0c281dbece94f7c8781b87b06ebf8b2b21ce598b","type":"artist","uuid":"07cc2638-fbbf-4130-9608-f2c130858c1e"}
album: Mal so gesagt...
  type: MusicAlbum
  date published: 2016-11-10
  track: Noch ein Hamburglied
    type: MusicRecording
    duration: PT2M54S
    duration ms: 174500
    explicit: false
    by artist: Matthias Altmann
    in album: Mal so gesagt...
      type: MusicAlbum
      date published: 2016-11-10
    isrc code: DELJ81622157
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-15T11:30:17+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xdcf48758f53eb99a5096b712ac5a9f4cdcd29a8dee8d72b198b795c1fb913b1d
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958153
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958153
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DELJ81622157
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-15T12:03:04Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 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. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdcf48758f53eb99a5096b712ac5a9f4cdcd29a8dee8d72b198b795c1fb913b1d. Chain 2 (Bitcoin): anchored in block 958153 (2026-07-15T12:03:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DELJ81622157 — a six-check JSON result.
      date published: 2026-07-15T12:03:04Z
    audio: Noch ein Hamburglied
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 115.021
      additional property: Musical Key
        type: PropertyValue
        value: 2
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.683
      additional property: Energy
        type: PropertyValue
        value: 0.365
      additional property: Speechiness
        type: PropertyValue
        value: 0.033
      additional property: Acousticness
        type: PropertyValue
        value: 0.683
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.106
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.693
      additional property: Loudness (dB)
        type: PropertyValue
        value: -14.634
      additional property: Key Name
        type: PropertyValue
        value: D
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Hau ab!
  type: MusicAlbum
  date published: 2017-03-30
album: Zum Glück
  type: MusicAlbum
  date published: 2017-05-02
album: Uwe Seeler
  type: MusicAlbum
  date published: 2022-09-04