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 0xb3eb758add03aa787726c29ade179c03795d1a98696475bb785ade7a6eae6d3e. 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/0434b1e2-f471-4a99-ae03-32df5e9d88d4.json and https://artists.proofprofile.net/proofs/artist/0434b1e2-f471-4a99-ae03-32df5e9d88d4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
En el Estudio con Rambo Cristiano, Vol. 1
D-One - En el Estudio Con Rambo Cristiano, Vol. 1
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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 0x26a86ebf2cd78ee94b710f183e985b5044dc028f1f01f679ae7d38fffb6494b0. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/USANG2244058.
En el Estudio con Jackson Martinez Vol. 6
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e0ba3886a25b18845d3744c2ad016572f756d95f36c3e272c101402666de56c. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/USANG2272847.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb46b87df7b839b13da2f8d74618723197ee86a2ac41a131b99e8fb7d3fdb139. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/USUYG1535385.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e74209b867186616800932116032cf91206a5967bcc2ec222473e2c5b20c8a6. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/QZWDD2418292.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xadc6fb0fb7aae5c4d447b75042bc289e0abc701df4f71e4f8a5e1095ef4f1f36. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/QZWV32443828.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e7edf550be3cf911c89a0593e3c100d9c0ab00016eb56e955173ddcc86932db. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/QZZ8A2409838.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa54b30568051540e49ed5506bad4b4f4768800f3d5ee1d045a0c4be948a8d086. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/QZSYP2384680.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2ce07268d8937737e8f2d6750a41d470a7ba2c9d6d239a4db8275a2b5b68d08. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/USANG2293230.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfadb56c41c1480843387da3c0f99a4e54b896677f12c110b952b360e80f1ba6c. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/USANG2215866.