Der Husumer Shanty Chor feat. Anton Johannsen
type: MusicGroup
genre: medieval metal
popularity: 5
followers: 157
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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  value: https://blockstream.info/api/block-height/953947
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additional property: OTSRecordURL
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  value: https://artists.proofprofile.net/proofs/artist/226d7546-4363-455d-9b07-fd651c3d0652.json
additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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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 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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07e23156e820286844087f9342079e311b5a0239f7b659e00b4d3d70a7d330df. Chain 2 (Bitcoin): anchored in block 953947 (2026-06-16T13:14:26Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/226d7546-4363-455d-9b07-fd651c3d0652.json and https://artists.proofprofile.net/proofs/artist/226d7546-4363-455d-9b07-fd651c3d0652.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T13:14:26Z
  text: {"copyright_id":"0x07e23156e820286844087f9342079e311b5a0239f7b659e00b4d3d70a7d330df","name":"Der Husumer Shanty Chor feat. Anton Johannsen","registered_at":"2026-06-16T01:25:37Z","symbol":"NIM0893811","token_address":"0x7f696e9c133f40aa1edd5c1f3d4b202b1a4fe623","type":"artist","uuid":"226d7546-4363-455d-9b07-fd651c3d0652"}
album: Die schönsten Shanties
  type: MusicAlbum
  date published: 2011-04-08
  track: Eine Seefahrt, die ist lustig
    type: MusicRecording
    duration: PT3M9S
    duration ms: 189013
    explicit: false
    by artist: Der Husumer Shanty Chor feat. Anton Johannsen
    in album: Die schönsten Shanties
      type: MusicAlbum
      date published: 2011-04-08
    genre: medieval metal
    isrc code: DEBH30200005
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    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEBH30200005
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T21:28:36Z
    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 0x4f4273f05158ed91bc25295690bceed361cf1ba8c846795b7511a71aa14ea0cc. Chain 2 (Bitcoin): anchored in block 958455 (2026-07-17T21:28:36Z), 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/DEBH30200005.
      date published: 2026-07-17T21:28:36Z
    audio: Eine Seefahrt, die ist lustig
      type: AudioObject
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      additional property: Musical Key
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      additional property: Mode (Major/Minor)
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      additional property: Time Signature
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      additional property: Danceability
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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
        type: PropertyValue
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      additional property: Liveness
        type: PropertyValue
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      additional property: Valence (Positivity)
        type: PropertyValue
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      additional property: Loudness (dB)
        type: PropertyValue
        value: -7.184
      additional property: Key Name
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        value: Bb
      additional property: Mode Name
        type: PropertyValue
        value: Major