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 0xfa7928ee5ea96bcd1361dcbf7adcc44d37b16713a60afd7989d41edd6c05977e. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0cc0435e-80bd-44e1-ad67-2b40685d6b6c.json and https://artists.proofprofile.net/proofs/artist/0cc0435e-80bd-44e1-ad67-2b40685d6b6c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Happy New Year's Eve, You're Still a Fuck-Up
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 0xd0e60b38d30f8335595a5f01100dcfe7512714547caac4bdd6c7fed495738ba6. Chain 2 (Bitcoin): anchored in block 958212 (2026-07-15T23:25:50Z), 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/GBMA21873874.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a6a4113a3eb29b91d312397c9f6088c17984ef5a19e5c06217da9204a97cb80. Chain 2 (Bitcoin): anchored in block 956440 (2026-07-03T04:03:57Z), 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/GBMA21873892.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31c02c1046fda78134a8a10382973861c36640691fe985a60df6d4aef98fe53a. Chain 2 (Bitcoin): anchored in block 958058 (2026-07-14T20:20:34Z), 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/GBMA21873893.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31c02c1046fda78134a8a10382973861c36640691fe985a60df6d4aef98fe53a. Chain 2 (Bitcoin): anchored in block 958153 (2026-07-15T14:07:08Z), 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/GBMA21873893.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3cb3054cb65f747a1607fed66dcc58f2ca4bd66f2ceadf8f6c616826c6eb1b8d. Chain 2 (Bitcoin): anchored in block 957766 (2026-07-12T22:25:04Z), 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/GBMA22098923.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b2c99ce9654094daf90fdc91e457b024cfcbab0e35d9be9b89d8da71e2d410e. Chain 2 (Bitcoin): anchored in block 958346 (2026-07-17T04:04:56Z), 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/QMEZE1948987.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67c03aaf6eb213f3d9f7f6efd2ca904677a7cf4ae46adfb5ed715423d0ddc67f. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/QZES72126294.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b6e477772c9f92ec4555327d7ee794fa142aaaba331efef0d9cc25eedee09cd. 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/QZK6F2124832.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12c6e03bc5833fbd5ddbb8169725e6441ae2e97e4adefd5fc9c485c395829308. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/QZHN52171112.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5bebf975427745c10e53b4721846bef48ac1be0ec585c06719d9a13bebe80c77. Chain 2 (Bitcoin): anchored in block 956440 (2026-07-03T04:03:57Z), 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/QZK6F2124833.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67c03aaf6eb213f3d9f7f6efd2ca904677a7cf4ae46adfb5ed715423d0ddc67f. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/QZES72126294.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x834d66175d89c1c3941d0b6138e572a6cb0418d7bb5fa5c1a626ae039a57ba42. Chain 2 (Bitcoin): anchored in block 957541 (2026-07-11T08:23:18Z), 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/QZK6F2124834.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b85cfdcc9c519a4f1e01f0e378b0cb64a475a2138e9f878fd7df050cfdd3e90. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/QZK6F2124835.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90d5ff03ed54bf1a6e93c4ade680b5182fdc446b3ae5f45e41581f8d1faebe2f. Chain 2 (Bitcoin): anchored in block 958319 (2026-07-16T20:12:32Z), 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/UKXN22300147.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b73e43f21c82e9c76de87980549d60dcf8366eac901f8e7b3551fdd205066c9. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/QZPLR2090080.