ONNEN
type: MusicGroup
description: Onnen is a village in the municipality of Groningen in the Netherlands. There are some picturesque farms and windmills in the village. Onnen is an esdorp. The Onner ash lies a considerable distance f
album: Lost Soul
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  date published: 2018-08-10
album: Lost Soul
  type: MusicAlbum
  date published: 2018-08-10
album: CCXXII
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  date published: 2019-04-18
album: CCXXII - Chapter II
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  date published: 2022-06-29
track: Open Hatch
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  in album: SmallPrint, Vol. 3
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    date published: 2026-07-08T08:56:20Z
  audio: Open Hatch
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track: Open Hatch
  type: MusicRecording
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  by artist: ONNEN
  in album: Sunday Chill-Out
    type: MusicAlbum
    date published: 2018-01-22
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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 → 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
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    date published: 2026-08-01T00:10:46Z
  audio: Open Hatch
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