Jesper Strömblad
type: MusicGroup
description: Clas Håkan Jesper Strömblad (born 28 November 1972) is a Swedish musician who is the guitarist of the bands The Halo Effect, Dimension Zero and Cyhra, and formerly of In Flames and The Resistance. He
popularity: 3
followers: 113
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additional property: CopyrightChainExplorerURL
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additional property: OTSVerifyInstructions
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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 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 0x93efde25653d01d39854d4e5bd12ad71971f753dd72ba6fe9bed080f0394b6bc. 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/187e4334-4304-4053-aacf-305728d498be.json and https://artists.proofprofile.net/proofs/artist/187e4334-4304-4053-aacf-305728d498be.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T07:53:13Z
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album: The Lions of Gothenburg: The Gothenburg Rugby Club Song
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  date published: 2011-04-09
track: Haunted
  type: MusicRecording
  duration: PT8M43S
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  by artist: Annihilator
  by artist: Stu Block
  by artist: Dave Lombardo
  by artist: Jesper Strömblad
  in album: Metal II
    type: MusicAlbum
    date published: 2022-02-18
  genre: metal
  genre: death-metal
  genre: speed-metal
  genre: old-school-thrash
  genre: thrash-metal
  genre: canadian-metal
  genre: technical-groove-metal
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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 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 0x7adabaf9facb47d0d095a0dd71007ccf180aff27ba87c98ff6c3045022da730e. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/DEH842100218.
    date published: 2026-07-02T03:55:08Z
  audio: Haunted
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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: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Key Name
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      value: E
    additional property: Mode Name
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