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 0x372166e980539f47234d5d6399b0ea9d582e4f504c86ddcecf255f03efc7f918. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e9d1e313-9394-454a-9eff-c9299b8e1795.json and https://artists.proofprofile.net/proofs/artist/e9d1e313-9394-454a-9eff-c9299b8e1795.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
What Are You So Scared Of? (Deluxe Edition)
{"copyright_id":"0x60b3b9710df6319660e437ee450008f5f3ef8491409a7b16a3c8cd77a555f555","isrc":"AUBM01200203","name":"Breakdown (feat. Benji Madden)","registered_at":"2026-06-09T11:39:54Z","spotify_id":"2BvuqzcZaQ5iXyJFiHowm1","type":"track"}
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 0x60b3b9710df6319660e437ee450008f5f3ef8491409a7b16a3c8cd77a555f555. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2BvuqzcZaQ5iXyJFiHowm1.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/2BvuqzcZaQ5iXyJFiHowm1.
Thank You & Goodnight - Acoustic Version
The Edge (From the Motion Picture "The Amazing Spider-Man 2")
{"copyright_id":"0xcbc0fd9bbc3dec10d5c52e7fca3810627cc61d19e0a02ae63705244d8d19e24b","isrc":"USHR21711009","name":"Last Light","registered_at":"2026-06-28T19:47:21Z","spotify_id":"5FoLFayngxkdkM55Z1KIFf","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbc0fd9bbc3dec10d5c52e7fca3810627cc61d19e0a02ae63705244d8d19e24b. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5FoLFayngxkdkM55Z1KIFf.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/5FoLFayngxkdkM55Z1KIFf.
{"copyright_id":"0xc567ed68ec7eb775f1358a25036dbfe8f49932850d222b9fcbda672cdd75f3d8","isrc":"US5261115902","name":"Little Lion Man","registered_at":"2026-06-04T05:42:54Z","spotify_id":"6oyJip5XQHRqcsy6hOTqw3","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc567ed68ec7eb775f1358a25036dbfe8f49932850d222b9fcbda672cdd75f3d8. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6oyJip5XQHRqcsy6hOTqw3.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/6oyJip5XQHRqcsy6hOTqw3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c23860c330ea4b866682cd68c3b2774982274f621187a90b0a1d2a8a6326fd9. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/15f8Woi2x372rXs24UbJml.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/15f8Woi2x372rXs24UbJml.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86aa9b8808133995b19db62f90bfd2740cbe3e4b285503e24f1eef902b2effbb. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/12lEzHws2GuIdu0um7fv1M.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/12lEzHws2GuIdu0um7fv1M.