Bo Eriksson
type: MusicGroup
genre: swedish ballads
description: Bo Eriksson (30 March 1922 – 15 December 1982) was a Swedish fencer. He competed at the 1948 and 1952 Summer Olympics in five sabre and foil events in total, but never reached a final. He was the Swed
popularity: 6
followers: 41
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  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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e86e0562a3295095dba1b7fb940f48689c5997c5e4b047c416f3fd96677a79f. Chain 2 (Bitcoin): anchored in block 953909 (2026-06-16T07:53:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/049f847f-cad5-4fe6-91c6-9686188efd53.json and https://artists.proofprofile.net/proofs/artist/049f847f-cad5-4fe6-91c6-9686188efd53.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T07:53:13Z
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album: Lilla Ungen Min
  type: MusicAlbum
  date published: 1991-01-01
album: Ännu en sång om Den Gröna Dimmans Skog
  type: MusicAlbum
  date published: 2011-05-01
album: Resa i nordiskt ljus
  type: MusicAlbum
  date published: 1994-01-01
  track: Nocturne
album: Growing Up With the Blues
  type: MusicAlbum
  date published: 2012-09-01

Nocturne
type: MusicRecording
duration: PT10M32S
duration ms: 632173
explicit: false
by artist: Alfred Jansson
by artist: Friedrich Nietzsche
by artist: Göteborgs Kammarkör
by artist: Finn Rosengren
by artist: Sture Olsson
by artist: Norma Wittek
by artist: Sture Persson
by artist: Bo Eriksson
by artist: Gunnar Eriksson
in album: Resa i nordiskt ljus
  type: MusicAlbum
  date published: 1994-01-01
popularity: 0
isrc code: QMDA62178574
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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 → 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
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T12:47:07Z
audio: Nocturne
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  additional property: Danceability
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Key Name
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