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 0xc57239afe1e848ceb90b7b028ae10004a7710133f9e8a1e3879e4b268baf1d40. Chain 2 (Bitcoin): anchored in block 953803 (2026-06-15T15:41:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e3c4075e-f216-422d-bbc1-bcf9d6ed6e3f.json and https://artists.proofprofile.net/proofs/artist/e3c4075e-f216-422d-bbc1-bcf9d6ed6e3f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 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. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5bb8c342b2942d868ac6301592af7ccc69e0a1501ee772e828de9c89411cd836. Chain 2 (Bitcoin): anchored in block 959052 (2026-07-21T22:37:36Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ972443767.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3193eeef0ca0f9c0da30736a44ec7074ad08f0b689a67fd0208e5c69d2831980. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ972454860.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4bfec33653a8b905cfb6f0d7512f7f9837fd5bdb85c1a9c36bb0357184f516b4. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ972454863.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae1ad3d35deefffdf688b84aae90bc92f2da4143de6a8df59d863aa30da9b5e3. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ972454866.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc32aaa27508894b31ad28f02696baf73ac1c42bdaa5f6d3dbccc9026371d14e7. Chain 2 (Bitcoin): anchored in block 958455 (2026-07-17T21:28:36Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ESA122474413.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39d724ac4b86f5e47ac5faa1bc849c3b199219fc17b4d9eb9327db38672d06d7. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ972414140.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf59f2219b103579ed14cadd4a27e3ea37bff7eb829da324ee24a0aeef8f60f5e. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ972414143.
MenyembahMu Seumur Hidupku - Live Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc960faa61ee30ce9e5a6db3aa7a68dde8fae4b43609354d26f11ef1bba449296. Chain 2 (Bitcoin): anchored in block 959010 (2026-07-21T16:06:59Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ESA122413006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe639177cc141ac580c8bb72dd446e594d0afd519432a8fffd9713105b59dec45. Chain 2 (Bitcoin): anchored in block 957852 (2026-07-13T11:25:45Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ESA122413007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab8f1a8bf08d887576519f74c66d7ba4d44d5376021849a05f146cb1f341a6d1. Chain 2 (Bitcoin): anchored in block 958980 (2026-07-21T07:04:12Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ESA012420786.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3299ff36d71d788019aeb1dcf263f1b9f88df30308964e9f5025d1fc74a17d16. Chain 2 (Bitcoin): anchored in block 957788 (2026-07-13T02:37:37Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QT65X2593400.