Swing Set is an EP by Ani Difranco, released July 11, 2000 on Righteous Babe Records. Track listing "Swing (Radio Set)" (Ani DiFranco) – 3:57 "Swing (Album Version)" (DiFranco) – 6:13 "To the Teeth (
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa8964019cd7041a960dd6a38ecf6e29d6d2dc1363553912fa11579d8d7fe100. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/82417583-bb7f-46a3-bd10-7df47d053e2d.json and https://artists.proofprofile.net/proofs/artist/82417583-bb7f-46a3-bd10-7df47d053e2d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).