My heart is a metronome
type: MusicGroup
description: My heart is a metronome (MHIAM) is a Swedish rock band from Uppsala with Mattis Malinen (vocals/guitars), Gustaf Simonsson (bass/backup vocals) and Felix Carlsten (drums/backup vocals). Music career
popularity: 5
followers: 975
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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
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc8be33765715a705fe9b016cc875c95d846857a0d9b0a58a962c3e35ada9d49. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d29b8fba-15e7-46af-8bdf-ce6121c5cdaf.json and https://artists.proofprofile.net/proofs/artist/d29b8fba-15e7-46af-8bdf-ce6121c5cdaf.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T07:29:20Z
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