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 0xddd1191715b636fe72ee384b7a9fd2b06e8185185fd723c8479e35c50714f3b7. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/14558032-b8db-40fa-8952-43c2a739b981.json and https://artists.proofprofile.net/proofs/artist/14558032-b8db-40fa-8952-43c2a739b981.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 → 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 0x519ff6e16361a53ecc6a20cfa6a22ad4446f42dd319c993e701d79bf89b61765. 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/FRX762023066.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f2742b5fa21d0cccb8619974c598517b5996c2ede0ba302a76d83034252c550. 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/FRX762023071.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7af82c458bf66b25736377a4545d41d5f3171e196287b8e5c7263f66442391a8. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/FR2X42005668.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf3c560117235729de1a3da642c877a6744383c00092a8de1190c10dd0595905. Chain 2 (Bitcoin): anchored in block 957546 (2026-07-11T09:35:53Z), 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/FR96X2080761.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08a0fb003f13a8182613d78b43c7b3e9893fd008223648f876187c301b2c40b7. Chain 2 (Bitcoin): anchored in block 958170 (2026-07-15T17:57:32Z), 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/FRX202051781.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03457470138ccdd8bb933e37eabe71527b84ed584e7c185cbf37be94f923642b. 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/DGA062031802.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24c6c394fa432ad3dc5b60336dd02a26d22b0073273b3ef50039f77d14ad41d6. 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/FRX202150120.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x223644cdc23338c072980fbec3513918c201b207757749cb832b32e2c67a1c5e. Chain 2 (Bitcoin): anchored in block 958388 (2026-07-17T09:14:21Z), 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/FRX202150121.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc1a9ed07539da4f8cc5bb65c4b7be8a9f17e20fce4ed3819dd9a28a5934f461. 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/FRX202150122.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36a6ab6aa30b78334ece7b3d3805d25378172db233e9c2714adfa1a7f6ab348f. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/FRX202150126.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a8733c8a8f075cf7fb5762faf7a7de458abc3bb26ed367440a6f0d0b16ef62f. 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/FRX202150135.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9fc5179a8773735e0fddfdb783521058d0b9750225f940041983a9cee546a08. Chain 2 (Bitcoin): anchored in block 958245 (2026-07-16T07:21:43Z), 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/FRX202150139.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe729e94405834f151bc3a57c18ad2ec64b6839904c192007b6fa63eeea916437. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/FRX762254701.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0fe4d6699212f854b50ea3b9dc02604f35f36b2211ce64ba1f412e2d1199433a. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/FRX762285964.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18cdc0b0530642fd0ca4dae9bdf2553df9ff681e46f41fdc8e29857ffa357c6a. Chain 2 (Bitcoin): anchored in block 957540 (2026-07-11T08:19:50Z), 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/DGA082390069.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45e7a608dc82895f5682c7c667d123e101a4e23bea56740ac28d124fb1519e9a. 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/DGA062376165.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45944063ea0faf1f698511f50fa5626b693796bdfd1790207a27a858b9135935. 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/DGA082390075.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3628cafbe58d08586e640c317fe2a1ce651aa27f920d603270de964e19ffa48c. 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/FRX762469059.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7aeaeb55d19cda8a5665f4b3d5b4a849211893b113baab42ab3be91b8bfda503. 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/DGA0R2457316.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x916db44db6a3368a5a1c094f98fb5882f3813163f8abbd797377d31b3d6d5400. Chain 2 (Bitcoin): anchored in block 958142 (2026-07-15T12:57:53Z), 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/DGA0R2457317.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc96bb430982bc16bf66c4026a794b5e74356966aecc01f129fd57fe1c3521870. Chain 2 (Bitcoin): anchored in block 957546 (2026-07-11T09:35:53Z), 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/RUAGW2500597.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7dc9515f78d766311e6ecb6d1a057757de8e2b132a96b3d08e9963d0233eed3c. Chain 2 (Bitcoin): anchored in block 957539 (2026-07-11T08:09:42Z), 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/RUAGW2500599.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8749c1d8e8be2a6b3ad89bbf9ba421c1877f260cad5b559833bf9eb3d91d2ef. 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/RUAGW2500600.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb91e3bb89c40f4f29dfc3f524d76ca45a640b9a3e0d59cb1fa10d6dbc614742. Chain 2 (Bitcoin): anchored in block 958331 (2026-07-17T00:35:14Z), 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/RUAGW2500601.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ef1b7a6e36236b3a6a897d0854aa809db10132f702610b41ef5d10af0afaf7b. Chain 2 (Bitcoin): anchored in block 957851 (2026-07-13T11:26:33Z), 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/RUAGW2500602.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x390902f7871cc08afefcc17a70b3067f7604227d46d076826feb2866d1a18dbe. 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/RUAGW2500603.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9dee6900fe5f647582eb630ef69a61c1837bb57e3b0ca548ee8fab27c7a57ebf. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T14:50:37Z), 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/RUAGW2500604.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfadb151c7ef63fb58d0127fae542056478a00666d77c70b5d8aa9d8ce1d93e89. 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/RUAGW2502176.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d2ec4ba39af548123ef440a4053cfc61482265978f5f2804b77a96dd8360b7d. 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/FRX452514287.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57a142bb762df44d3516ea2c97b519e0050f0e31cd6ef4e32266e7e0e7baf1ad. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/FRX452514290.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c24f202ac2aa4729b97fdd8449abd53b67d1e03b9b9c7cf5e53fb063b78595e. Chain 2 (Bitcoin): anchored in block 958111 (2026-07-15T06:58:20Z), 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/FRX452514291.