På En Grøn Bakketop
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duration ms: 79514
explicit: false
by artist: Sigurd Barrett
in album: Børnesange - Syng Med Sigurd
  type: MusicAlbum
  date published: 2020-10-31
popularity: 9
genre: children-s-music
isrc code: DKUM72000606
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  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 → block OTSBitcoinBlock must exist at that height 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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91aea7747b57f202f2c8e19cfa1f6848ce2acd6d4d8031237ac5d83250d8ecb1. Chain 2 (Bitcoin): anchored in block 957050 (2026-07-07T14:41:13Z), 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/DKUM72000606.
  date published: 2026-07-07T14:41:13Z
audio: På En Grøn Bakketop
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