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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99438d5cb1f5a1c4e3cf5497cfd49031f43275b1346a50cd2f26f64894a982cb. 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/6bbbbf52-2595-4bb0-82c4-073a95a3f01d.json and https://artists.proofprofile.net/proofs/artist/6bbbbf52-2595-4bb0-82c4-073a95a3f01d.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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf97e307197655c0216ff96532667df1de6fb8f1106fa0cfaadbe0e7765ca4629. 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/QM6N21810226.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6cf5b85f0f9358e378ef66243489326666eba60c5892aa4943f2ba65d00a0fe4. 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/QM6N21810227.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7bbca2df0411172be9fa4148e3c0cc319efc50e5480953ea2ec65c840ae1a8a. 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/QM6N21810228.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe20dc1a55a40fedb1250c89f214d14b2daa92a12b7596cfbdbcb1329eebeb3ef. 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/QM6N21810230.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8bd91d58bc08a346fdfda2baa6790c67f3a3fe4ba3b2edafa7ada033bfb8bc59. 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/QM6N21810231.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32a00de1e1041cf26ab7480f34cb4d68eb46f2869f6542749bdd03af87ec2932. 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/QM6N21810232.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c6499eaa66b6ab526fe9e44e6fb4ad78d39d905f89e90e902582bd4ee276a92. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/FRX202044057.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x662e0d7783c3474c9212c98ac71f6de30c7ef8ff03a5388e547b28c6a659028f. 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/QM6N21810233.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe39e3798e44da6f7207dc33934305c4101603240a30f538f64d9ca01b7c5ccc8. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/FRX202044058.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8b33c359d6838865620d038840abacd35fca29b7bfdde90dd5cc979eba0e84a. 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/QM6N21810239.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2c3245f82d82162ec6dd76add014a3a4b39e9554fdac5ac40cf02fb708c36d7. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/QM6N21810458.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4555622c1fb3a2003d304dd2f76bb42770c2f88f37a968a67857f7a5f0ac88d8. 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/QM6N21810460.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7ed29cf02f2945e11e48d5728e84e54729896b1da913d79481d3150a4d0c1e9. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/QM6N21810491.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf551b8d1b69d127faa7a9d240d0220091fc0572a08227dad8f9dd814d4e82ae1. Chain 2 (Bitcoin): anchored in block 958917 (2026-07-20T17:53:56Z), 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/FRX202045613.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x282dcc40d87360f80ce9bc32aafb6f6dfb214b317b277100e3c57fb14e9a855e. Chain 2 (Bitcoin): anchored in block 958520 (2026-07-18T08:19:09Z), 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/FRX202045614.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22d7f16a86dfb95f089daffa496156c2700b9ad4369501bd9bba9afceef0eeae. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T05:01:14Z), 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/FRX202045617.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c36ecadc6e29778554b4b02ecdee261d8b4aaa8fb5985d334f5ec31bb25b833. 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/MX3741400672.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c4ece0173c6909cbafff3ec7e5351fed97c2facee1630d01386be8f3ddfc27d. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/MX3741400674.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x083ee34f8c923ffd8b93a130b9bca9713a32b5f74fb41d20b796770aaab2e39b. Chain 2 (Bitcoin): anchored in block 958376 (2026-07-17T06:41:00Z), 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/MX3741400676.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d1ea1dfe61acf8c6d7cc19865c0570457c4fde530ec75c3674034d94109ae6c. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/QZ5AB1878069.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b0d6dea65f07354cdc5f7a8447bd45dd578758ed802ec331caedbe5aaa3a5ca. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/QZ5AB1710897.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x980a2bcd3562f7f007fd32619e7af5c470db6a3c398bbef79dd2ca0456c871fd. 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/US7VG1692203.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd5aadd63496b5f3205532e1044f28760836d8575d226aa284c7293ad270f716. 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/QZ5AB1878070.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f9246bb94375b44a4e1cc3cd322cbb25a1cc279282b0bd12aaf45b28c325d00. 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/QZ5AB1878071.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36c8506ba7fc35b441beec4ce3f994532860eb10a437e9e33612e180f8ae7b00. 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/QZ5AB1878072.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5628daa5204a7673fbf4ca4103784aaa63ddf2d21c70c88bf2d31a4465c25cb0. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/US7VG1718032.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73eaf28989d7c1675399077f5446af95c4287d35cea1a626a297da6a5a1e05c1. 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/QZ5AB1781856.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78177d6fa6a51c3011352d951bc9811b829066d1c2434c7cbcb42541b33cb005. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/QZ5AB1878073.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7bfb28f0b831c7b1855e991fc0f7995a76318cefca14d9cacc85ae6f7cba5de3. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/QZ5AB1878074.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f1d6984cebeaaf69cc5a7abe61192bf31fdb97e28b9dcd886342164b4f992e1. 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/QZ5AB1878075.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8255b0deeadccf4b5d5bda7cb997bd8befa6d115020047ce53cba74f5c3b098c. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/FR2X41905876.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31be52b5a5bc102f8317af1d2a8b68c3100188a30411611587260d25d722c369. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/FRX202389359.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ba03c96b0da2f5c78a6cf12f5ff13bd2c110d978f6d2f578bfa14782c971cb9. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/QZ5AB1703577.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38210b8f415f4371e7b00656a5e6aeb8ccbd9fc0ef8c3e5066ab3312e135e83b. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/US7VG1627544.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33960f7715a88cc78f32507b26aa4338037752a4dff464cd8953ddf6b3ca5af1. 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/MX3741400873.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbbb72d061e0736a4f12cbdc261e963cf426b77d33b2002a02f4f269a43c3408d. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/QZMZ92192051.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ded9ed71db5d37e7ec5d770caf7e37442bce31b36b6b679e01934bbe3cb9c16. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/MXA2M2300093.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb94e6b6eb4cdf655f6fe34fd973bc27b532882ae1c93fe65b309e4f9112b6498. 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/QZTRX2361484.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe40c1003a5fa3987ce4e346c9c9c1e87a0e61dc942f4d9804c3ccf108df5be1e. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/GBWUL2323301.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x843db032990a9719e7409fe9c2d7afef2baff4fbc622e57aaca7d70f01c50606. 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/USLZJ2305581.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc80a3b3d69dc262c3d6d115010522371feef5a387979e0c80ffd8cd768b4cd3. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/QZTV32220519.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89534ff1f983b339de505f6291ded0e2cf65d551336016dd41686638f905c1cb. 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/QZCE61840279.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3969e2c7e19fe3c70fdb7f3968385d2b731d3f36b880b47e1bac5b9bc9177a4f. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/QZNJV2134123.