Frankie & The Heartstrings
type: MusicGroup
genre: indie rock
description: Frankie & The Heartstrings are a Sunderland-based indie rock band formed in 2008. The band's debut album, Hunger was released on 21 February 2011, and debuted at No. 32 on the UK albums chart. Known f
popularity: 11
followers: 5778
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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 0x7cf4c331f57521b27acb69c26d7adef926d2526365ac6ec72646243a60124916. Chain 2 (Bitcoin): anchored in block 953648 (2026-06-14T15:20:52Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3443db6b-860d-4643-bfe0-20b2e658a365.json and https://artists.proofprofile.net/proofs/artist/3443db6b-860d-4643-bfe0-20b2e658a365.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T15:20:52Z
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