Mandy Mettbach
type: MusicGroup
genre: schlager
genre: schlagerparty
popularity: 14
followers: 845
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/2052a820-f736-4642-aee4-24c13d572529
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additional property: OTSCanonicalRecord
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x288b17661130ac68f9804b6a3a474cfde527aa97e6bc3ac51c0adc39794171db. Chain 2 (Bitcoin): anchored in block 953626 (2026-06-14T11:41:45Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2052a820-f736-4642-aee4-24c13d572529.json and https://artists.proofprofile.net/proofs/artist/2052a820-f736-4642-aee4-24c13d572529.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T11:41:45Z
  text: {"copyright_id":"0x288b17661130ac68f9804b6a3a474cfde527aa97e6bc3ac51c0adc39794171db","name":"Mandy Mettbach","registered_at":"2026-06-14T07:47:29Z","symbol":"NIM0386010","token_address":"0xfee41324d11db9aa45f840ee641174b694c60574","type":"artist","uuid":"2052a820-f736-4642-aee4-24c13d572529"}
album: Ich denk an Dich
  type: MusicAlbum
  date published: 2019-08-16
album: Liebe kann so weh tun 2020
  type: MusicAlbum
  date published: 2020-01-17
  track: Liebe kann so weh tun 2020 - Radio Edit
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    by artist: Mandy Mettbach
    in album: Liebe kann so weh tun 2020
      type: MusicAlbum
      date published: 2020-01-17
    genre: schlager
    genre: schlagerparty
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      type: PropertyValue
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    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEE862000002
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-16T19:42:29Z
    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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7951389f41d71e8e8993cc2e95d3d5ee8362dba1cf346179083064d61a7854ca. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEE862000002.
      date published: 2026-07-16T19:42:29Z
    audio: Liebe kann so weh tun 2020 - Radio Edit
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      additional property: Tempo (BPM)
        type: PropertyValue
        value: 169.98
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        value: 6
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      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
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      additional property: Energy
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      additional property: Speechiness
        type: PropertyValue
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      additional property: Acousticness
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      additional property: Instrumentalness
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      additional property: Liveness
        type: PropertyValue
        value: 0.214
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.692
      additional property: Loudness (dB)
        type: PropertyValue
        value: -4.262
      additional property: Key Name
        type: PropertyValue
        value: F#
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Er gehört zu mir 2020 (Radio Edit)
  type: MusicAlbum
  date published: 2020-07-03
album: Er gehört zu mir 2020 (Bernd Hall Remix)
  type: MusicAlbum
  date published: 2020-07-03
album: Er gehört zu mir 2020 (ATO Remix)
  type: MusicAlbum
  date published: 2020-07-03
album: Er gehört zu mir 2020 (M4G Remix)
  type: MusicAlbum
  date published: 2020-07-03
album: Er gehört zu mir 2020 (Instrumental)
  type: MusicAlbum
  date published: 2020-07-03
album: Du bist nicht allein
  type: MusicAlbum
  date published: 2021-09-24
album: Für uns alle
  type: MusicAlbum
  date published: 2021-12-17
album: Du bist nicht allein
  type: MusicAlbum
  date published: 2022-03-04
album: Dieses Lied
  type: MusicAlbum
  date published: 2022-04-03
album: Die Große Liebe
  type: MusicAlbum
  date published: 2022-04-29
album: Verdammt gefährlich
  type: MusicAlbum
  date published: 2023-04-28
album: Verdammt gefährlich (C-Base Remix)
  type: MusicAlbum
  date published: 2023-07-14
album: Aber mich gibt's nur einmal
  type: MusicAlbum
  date published: 2024-01-05
  track: Aber mich gibt's nur einmal
    type: MusicRecording
    duration: PT3M7S
    duration ms: 187337
    explicit: false
    by artist: Mandy Mettbach
    in album: Aber mich gibt's nur einmal
      type: MusicAlbum
      date published: 2024-01-05
    genre: schlager
    genre: schlagerparty
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    additional property: CopyrightID
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    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEZ922301209
    additional property: OTSTimestamp
    additional property: OTSVerifyInstructions
    subject of: OpenTimestamps Proof of Existence
    audio: Aber mich gibt's nur einmal
album: Aber mich gibt's nur einmal (C-Base Remix)
album: Tausend und eine Nacht

OTSTimestamp
type: PropertyValue
value: 2026-07-05T01:12:41Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa85da3ea5655b9ce0e1a82f94467e2fb26c74f16c35e97db317b7d8a8b4a94f. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEZ922301209.
date published: 2026-07-05T01:12:41Z

Aber mich gibt's nur einmal
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 123.92
additional property: Musical Key
  type: PropertyValue
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additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.702
additional property: Energy
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  value: 0.895
additional property: Speechiness
  type: PropertyValue
  value: 0.038
additional property: Acousticness
  type: PropertyValue
  value: 0.367
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.449
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.775
additional property: Loudness (dB)
  type: PropertyValue
  value: -3.198
additional property: Key Name
  type: PropertyValue
  value: C#
additional property: Mode Name
  type: PropertyValue
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Aber mich gibt's nur einmal (C-Base Remix)
type: MusicAlbum
date published: 2024-02-23

Tausend und eine Nacht
type: MusicAlbum
date published: 2024-07-26
track: Tausend und eine Nacht
  type: MusicRecording
  duration: PT3M20S
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  explicit: false
  by artist: Mandy Mettbach
  in album: Tausend und eine Nacht
    type: MusicAlbum
    date published: 2024-07-26
  genre: schlager
  genre: schlagerparty
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    type: PropertyValue
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEZ922401260
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T21:18:05Z
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09837ec8e17cac9175a170e4dd46473ff90c3e97dbfc2023cad9513192be8d7b. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEZ922401260.
    date published: 2026-07-03T21:18:05Z
  audio: Tausend und eine Nacht
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
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    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
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      type: PropertyValue
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