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 0xf8f99e34504b41451f8f05d40718549e620fdcec7fa10c9010ecc8c6248bc8c1. 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/32820c61-4584-4dad-8149-a46b23609a52.json and https://artists.proofprofile.net/proofs/artist/32820c61-4584-4dad-8149-a46b23609a52.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
The Ghost, the King and I: We Got Rhythm
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 0x04c2e6bc8c70cec070daecda9f178d70eb65c65aaa67be7b257d5cbf4d9fd75a. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T19:07:14Z), 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/QZNW72319329.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43390af8847f763418aff2f9f3ec9ce2202f24d33a7986b8646b8867f6a2e3a9. 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/NLH212200052.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3cebdd8fe58139b7ceaf9b39abd96fa4d5d06503c1cd46c5c4e4b10f522ac90. 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/NLH212200068.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7aa9064cc37f30bcabb663a49299c1f37fb2129b7f2232f0f0328b01854cc46. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/NLH212200070.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1440272fe7ab61687f382c1c60010ee5ed621bd6ac6540eded3883e2a6e79203. 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/NLH212200074.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18cf214f22f9d53dedef83b4921f52a6ff319da874bb0d69c3c14e1f50b99f63. 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/NLTP72100001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6489498eee2e9aae042f929a95747cf1c0c31b967d6cf60e71e4a2ef9095717. 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/NLTP72100002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfbec0d08c3ba9a4e83a9d294da35fa78aa24d3a8740058127a38553abe55dabe. Chain 2 (Bitcoin): anchored in block 957032 (2026-07-07T11:43:09Z), 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/NLTP72100003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ca7232a2049268cff3ef615e7e7c78c60452ee7c688cd9720bd4f47cdb46826. 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/NLTP72100006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f7cea92149dc7e72c52b73497c5d2c9b339311c15ff081c9d07962f7cf6a547. 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/NLTP72100007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xadc752aeb35d49d516633aba5d5b24be11869df39c0f81e3e2cca3592c40dccd. 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/NLTP72100008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1794a0e172648ff181da176d9c7424ae11693c9958a0c59c70f4e8e22f687adc. 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/NLTP72100009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a01c20efa8e0a586caa07180a1820113155b201e82b71af8fb303fa4270982d. 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/NLTP72100010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81eba6cf24486902e26af5364c1f41894671142f3f84944b9ce7811f4d217ae6. 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/NLTP72100011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65002eb44c7f744d4618368febeed3254cf351ee376adb498284d8a110bba376. 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/NLTP72100012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3ffa1425f95fbf90157eb7eab7c41a9c40b8d86b93bfd9966c224641fedf1db. 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/NLC358901511.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b25c9bed6bd25a3147b18b3e229a58a85583eb8c6d89e02632501a1c0cbe6e2. 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/USHM82408053.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15fd9610b9f641b8eefdcf93e55e8a93fda495c77818f139e50dd8a5c33bc537. 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/USHM82408054.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x438c82d724601c43f3bb419089c573fc3eae2dc809436b2eecbd887089b404e5. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/USHM82408058.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb761f3d1d4f0b8322c4a7da75ecf227ec784df3fc6c4bf6bfd3a97f4bf5307e3. 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/USHM82408059.
Sketchbook of Dreams (Radio Edit) - Bonus Track
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65a879c81926058643ba752a97753a5167f201b605af55d2f309b217fb32a8b2. 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/NL1ZP2200001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e57c1721f4c22d648dc7034a1ca0a77f8de1ea61e211087ba51a10932993076. 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/NLB151600363.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8797011efc4bfee3aefa7df162cd9b25f3e0edf19ef25c95e32e1eb3a79c456f. 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/NLB150800035.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f912982fd778dab32ac4693a7cba822a147f1d8d249524ff41e996f114a6e71. 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/USCGJ0589091.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76365274ef89de07dbb49ae278bfdb0a800fe6a34fbef295ffb4e22f51da2919. 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/USCGJ0589092.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xddd3204a45a77e4a9634a60c25940d2ccd6531fb78fd401996f0bdfa27b0bce4. 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/NLSH72500221.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3067a6c127e2216ccccea89349bfb1d41f21e6d37c2d795d2caaadab0187572. 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/NLH212500018.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe057d5df3ce724b7ff0dac4591955b1668eee13b7587371ee732d59a6f7516d. Chain 2 (Bitcoin): anchored in block 957041 (2026-07-07T13:25:45Z), 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/NLSH72500131.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b67cfe2323a23ed241372eaa3a4f98e910dbdf3942cb55de8241d5ee921efd3. 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/NLSH72500134.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d82d217916d5947df6696e2fc83c4252f305036674ef2ad8a2ccdcfb499a015. 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/NLSH72500136.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5df84668d1a0c642efc98d7572404a41f6711af1c34e7d46bb9216570d19e128. 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/NLSH72500137.