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 0x7ab4d559da48c8ea65a04fac88a7e06329e6fb29c34a446b13c48b783696ae40. 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/b570425d-62b5-44ec-898c-99784a56603c.json and https://artists.proofprofile.net/proofs/artist/b570425d-62b5-44ec-898c-99784a56603c.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 0x189cb30df0250de690fda0a9309307ea947d0cdb74a2305170b1bc5ef568e17f. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/GBARL8400045.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ee4613df841aae9f8c3004d983c71de5d43952aa987f32795d0c5f8dd6c4b71. Chain 2 (Bitcoin): anchored in block 956809 (2026-07-20T11:49:40Z), 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/GBARL8400046.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc085f550ebe9cbe8c1ef7814a175934a602fc81157b8dc8ae9c5d5205bfd6e5a. Chain 2 (Bitcoin): anchored in block 958086 (2026-07-15T02:55:47Z), 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/GBARL8400047.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb416a3b4ec69fe3f6e6b3ac1ba5fe9e85c5a9a376bac2704a9366b796641ee81. Chain 2 (Bitcoin): anchored in block 958771 (2026-07-19T22:01:31Z), 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/GBARL8400051.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8433b3eb12b105c811f7e4b28a0e52174e97623e945ed5d8da0a0bf840adbec7. 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/GBARL8500047.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc944d1fa2f46da09568a271dc4c730006fc277fea3325906d10a40eb8405a44e. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/GBARL8400048.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a4392fdcf9a0227cd778db48fc08b8ea26b26743a5f7c80af0dde05b4db6952. Chain 2 (Bitcoin): anchored in block 958362 (2026-07-17T04:32:48Z), 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/GBARL8400049.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1477ec83a4033bafacd28979980ae9276011761e6cf71280401256675918bd75. 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/GBARL8500048.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f7c9d921d7889a66a4c9162415b223ad3818785340b53616d0ce25aed32de20. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/GBARL8500046.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8255d95ba5856a3dbe60269c54d2fa15f67e8726bd99140e491219d4e19dc9dc. Chain 2 (Bitcoin): anchored in block 958563 (2026-07-18T14:29:03Z), 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/GBARL0801279.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5e2f3d7874b8a0da8eb84f8e7f4980acf324c180d2302376996783f8301bd1b. Chain 2 (Bitcoin): anchored in block 959061 (2026-07-21T23:21:18Z), 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/GBARL0401094.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x970b7b382115b89158f75f8c10d2aa37074d29b2e451a3d0a6d1385e32d6d6fc. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/GBARL1900093.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb591f321beddb3665191d6e136333b880223adcc82dbd85c4dbb82507f6887a8. 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/GBARL1900094.
Remember - On Stage at The Half Moon (Live)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0266313d17af8d9ac474891f70aac3b1b3c4505438a13ca935be146561b669b. 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/DEZ432544001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa12d6b995371b902b7c1768c6c5666876419547476a8587a580cfcd4d7fd7e73. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/DEZ432544002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f7c9d921d7889a66a4c9162415b223ad3818785340b53616d0ce25aed32de20. 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/GBARL8500046.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f7c9d921d7889a66a4c9162415b223ad3818785340b53616d0ce25aed32de20. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/GBARL8500046.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e1896880c77b54bad06283c4f8f18c502b285e5fe12abca46a34252ea0a40c9. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/JPVI01404920.