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 0x68c244cae86de7cd7aaad1fa5dcdbdd60679e100ac2da8a774e3ccac8af9769b. Chain 2 (Bitcoin): anchored in block 953984 (2026-06-16T18:08:34Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2cc35833-fd95-4121-a054-f659bded4f6b.json and https://artists.proofprofile.net/proofs/artist/2cc35833-fd95-4121-a054-f659bded4f6b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
El Primero Te Lo Regalan, El Segundo Te Lo Venden
Geiser Revisita a Sumo: No Tan Distintos
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 → block OTSBitcoinBlock must exist at that height 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 0x3a22efb3f796c1a0f1ca5c5bc1b993279178f2f51ab64343c5f509677a7d2e50. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/QZMZ92021239.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x349d01f863d0c7cefb56fa523ba350cc7efb04823ca694060959fcb0b66d5b5d. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-07T16:07:00Z), 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/QZMZ92021240.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc28a11da676957f60fd3cc7a9d962d8ddd356321d6395df2333fd1f4674cf535. 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/QZMZ92021244.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a613aca0a3b0b87d3eedfa32af8b47ba2606f4379deeb4ad7f34217ba2837ae. 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/QZMZ92021249.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb43452733ac7de90f30f7bc136230b408d7fbd5c9748f3f4c09dbecc1b772c7e. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/QZMZ92021250.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95d76df0946fdb6592deadad1d7ce615e7122356e06ad20e2e6a73944d88ba63. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/QZMZ92021252.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x936db802e3a1a991b602cdfd287353e9e1a2fc3a5a4b46756649c139591c7417. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/QZMZ92021254.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x624f376c8864f367b6e9005794314110d569e69346a40201fac724c1b2980688. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/QZMZ92021242.