1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0x3d5a1975a08972a719dc3ec9dc359332d34c4e539edf57042bd4f1b92a1d67e1. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/224fe359-f56d-4437-a993-bdb751be6dbb.json and https://artists.proofprofile.net/proofs/artist/224fe359-f56d-4437-a993-bdb751be6dbb.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c463d8ec7bf40add420301062479aa389557d4e7ac6e5ab0b03181f07950ae9. Chain 2 (Bitcoin): anchored in block 956383 (2026-07-02T18:11:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/79JcRkD3piZpXmLavBId0u.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/79JcRkD3piZpXmLavBId0u.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3a92c3ea16d161f23554ef220d2f2a917da96f122664f14a12f21e3b1d2c32b. Chain 2 (Bitcoin): anchored in block 956383 (2026-07-02T18:11:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/48QUx6ayO0g54ckjafoQL8.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/48QUx6ayO0g54ckjafoQL8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f5a1814f869a2caffb02fdf2bc579f6d86a9715024a2263ba5426adf12478ee. Chain 2 (Bitcoin): anchored in block 956383 (2026-07-02T18:11:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6MuEdb3evuegHoDtfkN0QT.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6MuEdb3evuegHoDtfkN0QT.
Gold in Our Pockets - Instrumental Version
Don't Let Me Drown - Instrumental Version
{"copyright_id":"0x8d9cf389e088574f5bce43ea438db29765934392babe6ed3cf5de01c9aa2effd","isrc":"SE5Q52203246","name":"Hey It’s Me","registered_at":"2026-06-29T10:42:46Z","spotify_id":"7u10V0uKffT0SXNJzTZSUn","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d9cf389e088574f5bce43ea438db29765934392babe6ed3cf5de01c9aa2effd. Chain 2 (Bitcoin): anchored in block 956383 (2026-07-02T18:11:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7u10V0uKffT0SXNJzTZSUn.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7u10V0uKffT0SXNJzTZSUn.