John Kongshaug
type: MusicGroup
genre: swedish ballads
popularity: 2
followers: 144
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xe91085a6d4e046fcae319561f2474b2fde826582e908ccdbda16d8c3500dfaee
additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 954573
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954573
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b50db991-58b6-4a15-8758-2cb59964a782.ots
additional property: OTSRecordURL
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  value: https://artists.proofprofile.net/proofs/artist/b50db991-58b6-4a15-8758-2cb59964a782.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/b50db991-58b6-4a15-8758-2cb59964a782
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 0xe91085a6d4e046fcae319561f2474b2fde826582e908ccdbda16d8c3500dfaee. Chain 2 (Bitcoin): anchored in block 954573 (2026-06-20T15:45:29Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b50db991-58b6-4a15-8758-2cb59964a782.json and https://artists.proofprofile.net/proofs/artist/b50db991-58b6-4a15-8758-2cb59964a782.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T15:45:29Z
  text: {"copyright_id":"0xe91085a6d4e046fcae319561f2474b2fde826582e908ccdbda16d8c3500dfaee","name":"John Kongshaug","registered_at":"2026-06-20T14:03:45Z","symbol":"NIM1627206","token_address":"0xc3869f7bd7e61bb1160351fa7e19bba23d37a26d","type":"artist","uuid":"b50db991-58b6-4a15-8758-2cb59964a782"}
album: Trondhjæm, Trondhjæm at æ reist ifra dæ (Vol 3 Trønderviser)
  type: MusicAlbum
  date published: 1973
album: Trondhjæm, Trondhjæm, at æ reist ifra dæ
  type: MusicAlbum
  date published: 1973-01-01
album: Trondhjæm, Trondhjæm at Æ Reist Ifra Dæ
  type: MusicAlbum
  date published: 1973-01-01
album: Sweden's Hot Six
  type: MusicAlbum
  date published: 1979-01-01
album: Jazz Guitar Pioneer
  type: MusicAlbum
  date published: 2015-03-22
track: Jag är ute när gumman min är inne (Från "Ernst Rolfs höstrevy")
  type: MusicRecording
  duration: PT2M26S
  duration ms: 146760
  explicit: false
  by artist: Svend Asmussen
  by artist: John Kongshaug
  by artist: Nicke Wohrman
  by artist: Staffan Broms
  by artist: Knud Jorgensen
  by artist: Palle Danielsson
  by artist: Lars Estrand
  by artist: Per Hulten
  in album: Med en enkel tulipan
    type: MusicAlbum
    date published: 2011-05-01
  genre: jazz-violin
  isrc code: SEPXS0008470
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  additional property: OTSHash
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    value: 960327
  additional property: OTSBitcoinBlockVerifyURL
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEPXS0008470
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-31T00:26:26Z
  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 0xa99338122480e0035c8a89432ee89a0c410e380f1d45e7ac5e9c1e75d0c45b9c. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/SEPXS0008470.
    date published: 2026-07-31T00:26:26Z
  audio: Jag är ute när gumman min är inne (Från "Ernst Rolfs höstrevy")
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 162.753
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.608
    additional property: Energy
      type: PropertyValue
      value: 0.287
    additional property: Speechiness
      type: PropertyValue
      value: 0.039
    additional property: Acousticness
      type: PropertyValue
      value: 0.62
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.016
    additional property: Liveness
      type: PropertyValue
      value: 0.137
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.714
    additional property: Loudness (dB)
      type: PropertyValue
      value: -17.656
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major