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 0x61329228ed47955e3c261cb2b8e874120447f2afc33840fad90dcb33d08e73a7. 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/7b4de352-1d11-4d16-81bd-eb6163b7ec77.json and https://artists.proofprofile.net/proofs/artist/7b4de352-1d11-4d16-81bd-eb6163b7ec77.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 0x92a8fb03cc7f2e8ded547318b2dcdbca15abe850407638add523a6bf4352dead. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/USA5W1200063.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69eb5a8943503e14191de7522b87119b44bba4345ba3de9079c0e392349d5f23. Chain 2 (Bitcoin): anchored in block 958455 (2026-07-17T21:28:36Z), 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/USA5W1200065.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc65b0f7790332362fb9631321f946c59577e627dd73e75fe4acdcc411fc783bb. 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/USA5W1200067.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbd775d45b3d3ba1959d73f468c8c00a7338453de1b89048dad11f78b7a5f676. Chain 2 (Bitcoin): anchored in block 958561 (2026-07-18T14:22:01Z), 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/USA5W1200068.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f5123ccedd75bfa6f2370350a96cc4498c4b738a30268c7f94f065aee857281. 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/USA5W1300359.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21bd0dd6506a594a786498ff4b9f9cfcccea117ed0dac718c1751c8277ef2f58. 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/USA5W1400057.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ef23928f7c76785487c601000f1f3df486b8732e08dfcf8f3339e3642389a19. Chain 2 (Bitcoin): anchored in block 957888 (2026-07-13T17:43:59Z), 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/USA5W1400058.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed12c552bfa16841f815d67fe7ee7d3ad8e8113fa161d05f4d167111d94b2176. Chain 2 (Bitcoin): anchored in block 958517 (2026-07-18T07:54:29Z), 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/USA5W1400059.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa013aa354ec565e882fa2e87956b12feacc7e974a4d6426253c9f477fdf23021. 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/USA5W1400060.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd6d9e4d521504f10739924d2f8e4d78745b301388d5671121d63b5292788a88. Chain 2 (Bitcoin): anchored in block 957882 (2026-07-13T16:48:10Z), 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/USA5W1400062.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x376e5d370d65fbc4bb5598985d544fffced1e6c3ca60f7ec15b182de7a5a5656. Chain 2 (Bitcoin): anchored in block 958340 (2026-07-17T00:53:26Z), 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/USA5W1400063.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa10568049c0c8721ac35ddf3ced9ae6ee1e15661c4ac66c82a446bb419b02209. 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/USA5W1400045.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed12c552bfa16841f815d67fe7ee7d3ad8e8113fa161d05f4d167111d94b2176. Chain 2 (Bitcoin): anchored in block 957888 (2026-07-13T17:43:59Z), 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/USA5W1400059.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa013aa354ec565e882fa2e87956b12feacc7e974a4d6426253c9f477fdf23021. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/USA5W1400060.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf26fbc59aaf1413036fb3f3bb5dccd70b8612cc6b6b0cc40518dec100e2f9de7. 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/USA5W1400061.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd6d9e4d521504f10739924d2f8e4d78745b301388d5671121d63b5292788a88. Chain 2 (Bitcoin): anchored in block 958951 (2026-07-21T02:01:41Z), 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/USA5W1400062.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95a14a43202feda93099d240c674e7003143344075a77fbec5eedb1cd4a5dbce. 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/USA5W1400191.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa10568049c0c8721ac35ddf3ced9ae6ee1e15661c4ac66c82a446bb419b02209. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/USA5W1400045.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2864b4c49292df34dc2440fbc9d8a30b6974c9962e70ceac2695ee3a3aaabbfd. 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/USA5W1400192.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbaea6100023bee9ed015bf25597a65b22b9ba4a06a4725f26875349f08fa4b87. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/USA5W1400193.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75dc0d9a6f554bbb04fb056618f8caff203303c7184f08715460a19633407bdd. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/USA5W1400194.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1be9a1d0026495266ff6f0e445e7e2269b6dd4419b85060ce38d5082094bc148. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/USA5W1800095.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51c0075d3464a926a88c70dd4f50decda4fa0c790b4da511e700250e6209fdf1. Chain 2 (Bitcoin): anchored in block 956745 (2026-07-05T05:33:35Z), 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/USA5W1800097.
Peace in the Family (Remix) (feat. Propaganda & Soul Glow Activatur)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a7c39649b2abee59d74e716556b44f4d851858d9f918eec4ea99c234338dd7a. Chain 2 (Bitcoin): anchored in block 958355 (2026-07-17T03:11:50Z), 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/USA5W1800293.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c8891ca53e8e49d5df1bd4c6552a58bc177ea0914ef3a3b1357b80e63ec9891. Chain 2 (Bitcoin): anchored in block 958996 (2026-07-21T10:57:35Z), 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/USA5W1900399.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc024a662e6bf4cb4b7aa7f657be719f2271801a827e62a5d9a73bab2be5c2039. Chain 2 (Bitcoin): anchored in block 957888 (2026-07-13T17:43:59Z), 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/USA5W1900289.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11e968d0a73dcc04b1999ee526acf3cc661be819482079dd716938334d282555. 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/USA5W2000347.
Gospel Song (feat. Matthew West) [Live from the Story House]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e9a2fbb967235e93ab9a950f4c1cf2a1e1134fa3497b8c20c241f1c9fd27244. 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/USA5W2100339.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2aabe029bb293b03a10f7d509056d45789b014c321654689bc39e307adff9754. Chain 2 (Bitcoin): anchored in block 958397 (2026-07-17T10:29:45Z), 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/USA5W2200159.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2fb32e3e1a22a6f9bdf5a24a1dce38a047bc4f3f01d826a8cd43be1b1611ce8f. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/QMGVJ2300121.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c172d703bebc17e6d2a14f017f6bb060951c6143fd74efd7b0d81e4272d1a80. Chain 2 (Bitcoin): anchored in block 957882 (2026-07-13T16:48:10Z), 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/QMGVJ2300177.
It's Beginning to Look a Lot like Christmas
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40ecaad615f5e253ff3e2faa2dfe6e878ec5c75ed611a91f53ec71bda516cc96. 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/QMGVJ2300230.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2f5c63631b6236f9864235b59b8a6560d7cd4d248ade8a01bedcd65f1fa018f. 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/QMGVJ2400133.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f5123ccedd75bfa6f2370350a96cc4498c4b738a30268c7f94f065aee857281. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/USA5W1300359.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8b2cdce7eaca68c3b76c4e7463ec68d5c2a7727ecc38bca233e857b671b0b3f. Chain 2 (Bitcoin): anchored in block 959134 (2026-07-22T13:34:27Z), 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/USA5W1200062.