The Cassettes
type: MusicGroup
description: The Cassettes (also known as The Cassettes Musical Explorers Society) are a Washington, D.C.–based "Mystic Country"/Steampunk band formed in 1999. History The Cassettes were originally formed as an o
popularity: 6
followers: 87
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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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  date published: 2026-06-22T02:53:59Z
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album: Storm (Demo)
  type: MusicAlbum
  date published: 2025-03-22
  track: Storm - Demo
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    explicit: false
    by artist: The Cassettes
    in album: Storm (Demo)
      type: MusicAlbum
      date published: 2025-03-22
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    subject of: OpenTimestamps Proof of Existence
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xede45c62ad00c2c244391d9f4cfc0997fc769c6de8662e057c3a3cf0b4140a4b. Chain 2 (Bitcoin): anchored in block 958083 (2026-07-15T01:50:31Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6M2502478 — a six-check JSON result.
      date published: 2026-07-15T01:50:31Z
    audio: Storm - Demo
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