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 0x6ce2553b615e71577abe7f297c50fa1a5543e4c8016e7ef2ebf805e92de65c22. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3c7cbb82-5632-4d36-b8e7-7102354292b0.json and https://artists.proofprofile.net/proofs/artist/3c7cbb82-5632-4d36-b8e7-7102354292b0.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 0x33b13a698b595e7662ac7801014ed935d3075c0c741723029c5835871ad830ac. 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/TCAEC1942474.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc78ce7a71473d4b86dd23612fb14473595d16e0fa52950a309467e43f2812bee. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/TCAEC1942477.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24303cd50adc1e22fbf17d72b718a7a072be8df20bc17acb7af05035aac5cee4. Chain 2 (Bitcoin): anchored in block 958594 (2026-07-18T18:05:01Z), 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/TCAEC1942481.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeeb470ace68263023db9eeff5fb8e74ce0fae6106f2f2993abefd9151a2b39dc. Chain 2 (Bitcoin): anchored in block 958448 (2026-07-17T19:49:21Z), 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/TCAEC1942482.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8632022e5566d3aa96040824109d6da5db7817972faf2bb08d42bcf2914bbd57. Chain 2 (Bitcoin): anchored in block 958153 (2026-07-15T14:01:01Z), 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/TCAEC1942483.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89536b1414ecf7696a11770e0e9f35ef5eb3e1329f60de4c57ef24cb65954fe1. 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/TCAEC1942485.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5530df3373900c80d3ad3a4a7359661b35802f3e20ec4040437d80c5c4383248. Chain 2 (Bitcoin): anchored in block 956405 (2026-07-17T02:46:19Z), 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/TCAEC1942489.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f0998c10f1c4a456d2d0349a5b65ef881be916baacd5d5cdab37af2701e7f96. Chain 2 (Bitcoin): anchored in block 958335 (2026-07-16T22:37:47Z), 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/TCAEC1942494.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ccbb3706c6b7b1479d6a027afccc72d2079c17b7d4fa878d4e2ff6b44706f10. 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/TCAEI1904819.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf790da0663a1760d1ec2594b2c6d18890991d5bfdd442a80901194dfeb8978d. 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/TCAEI1904825.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac8c7f1cd4696cd80c5e18174296575e043d8acdbdb1f73985b05490d09d65ea. Chain 2 (Bitcoin): anchored in block 958146 (2026-07-15T10:33:22Z), 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/TCAEI1904826.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a0ef3d6a408a91597c7eb2d3098653f30ea91f936951524a6da35213bbf96ff. Chain 2 (Bitcoin): anchored in block 956841 (2026-07-05T22:14:35Z), 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/TCAEI1904831.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xade4e74f255023ca0686e0229df296e272c17a1cf6b00c266606d2ea27f417ee. Chain 2 (Bitcoin): anchored in block 958901 (2026-07-20T17:30:36Z), 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/TCAEI1904843.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35ba10049d7eb8fbcf3fe3e5130ff7dab8633f3b89ed09253461f87c8271a359. 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/TCAEI1904839.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f28fc7f0b8e0a6fe17543c5e94edf91bae343b19a6847b8165f89f69fb74f68. Chain 2 (Bitcoin): anchored in block 958857 (2026-07-20T09:45:25Z), 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/TCAEI1904854.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbbf5a3640b54040cabe36112c59cf45580aaa13f6fb5d684efa88366cc7b73c2. 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/TCAEI1904857.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c02796b9b4d2bea374d04c18ef58d17460107229aaccd76903e64264d8b5bb0. 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/TCAEI1904861.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d50fbf941972b15264daf72eef946994a58c880dd85b518a3d0e18f57bda1d7. Chain 2 (Bitcoin): anchored in block 958918 (2026-07-20T20:25:28Z), 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/TCAEI1904875.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01b084b18bd45b6f43c887eb050f80a1198cf244dc95bc5f1780f9437e207b85. Chain 2 (Bitcoin): anchored in block 958526 (2026-07-18T09:09:53Z), 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/TCAEY2018535.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe04bb79136737b90a0d8a5567bdf7c5b485ce6d3aa1e4d074ef389b57c12b471. 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/TCAEY2018541.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x106be6f36a43cfa57a909a29c99f6e31d9fe953eb3f282ba422f29f5a95bc66c. 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/TCAEY2018543.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xecafb6f9275260ed997734be460941f7b01a4347f34f120569466b4943375d24. 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/TCAEY2018545.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0eb8fb124fb094fe5300eda834749d5103cd58ec8bc26d7ca1846c6059aeff16. Chain 2 (Bitcoin): anchored in block 958913 (2026-07-20T19:39:24Z), 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/TCAEY2018863.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76088a71a5bfbca37c09057c53319bde5c053dfe4a9ce8b06381eee29b5b4dd5. Chain 2 (Bitcoin): anchored in block 958203 (2026-07-16T00:22:17Z), 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/TCAFI2165249.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x894fb5b406c4ed674f16616c238ac17d8bef566c3a70ea2d9e4dbeb750e4a5b2. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/TCAFQ2152089.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd0d940d8634918818dc36c701f6be7492a9a2d1749e1c1aa2162e8c4302c9ad. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/TCAFQ2152085.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a30e9503536fc5e01e7ea044ed2d305168fc28aed8d6b6012ca160c28aa86b8. 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/TCAFQ2152121.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61f15df4602ce94bd279a3ffd13ecb7fdcf73515ca7ddf14a9b55109749ed269. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/TCAFQ2152083.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf57995a4dffc0249399624d9c51dd39646178f9673a8f2f734ae4730dbbeb6d. Chain 2 (Bitcoin): anchored in block 957050 (2026-07-07T14:41:13Z), 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/TCAFQ2152110.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62124b8097bfc143566ec92c6d4cfe3e1d661eaf866ba09a9efe866c88d13e71. 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/TCAFQ2152099.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6518f96e3d3d33997bd4452b9697c93e3334e36d8b63402a892eec3ad7339c8. 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/TCAFQ2152195.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb27e49058e1581aab8928ba9eaed0d33f9d9cd15b84fd2a858316a7aa6e07b57. 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/TCAFQ2152187.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc19f5edb441bdc364816ab623963841825374b42aacff515645286a32cf41f32. Chain 2 (Bitcoin): anchored in block 959152 (2026-07-22T19:03:17Z), 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/TCAFQ2152074.
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 0xe8ea759d96cae09752ac3d26de2460fe54bf400c6fdd7492c4bf17f608997c3a. Chain 2 (Bitcoin): anchored in block 960266 (2026-07-30T14:44:50Z), 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/TCAFQ2152130.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x573525869dcbe38e5218687d8545fd54195f1390cb8119fa666ad5b22ddf3652. Chain 2 (Bitcoin): anchored in block 960291 (2026-07-30T18:23:33Z), 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/TCAFQ2152134.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xefbb8fb4b2a3d3cacfb8c128fa6aabae71b292b70974b802e60514a5c83319bd. Chain 2 (Bitcoin): anchored in block 960105 (2026-07-29T12:35:17Z), 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/TCAFQ2152172.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3572f5536394f0e880f73ea8ccf8711046a6b14981341c7e5a9b706514be8f5. Chain 2 (Bitcoin): anchored in block 960259 (2026-07-30T12:51:24Z), 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/TCAFQ2152077.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17ebbba01e4ac787778be31c59ddb464f9d66d67fcef2b3c33671a245f1c4fa6. Chain 2 (Bitcoin): anchored in block 960209 (2026-07-30T05:15:54Z), 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/TCAFQ2152123.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc97d8f6ad43606dd8ccfaed645229e9afe4abdf9210186dd4c158e2b61d1de2f. Chain 2 (Bitcoin): anchored in block 960191 (2026-07-30T01:51:26Z), 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/TCAFQ2152127.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbb0e3cf521b2498b9791cf92a92d0fb1e02a3ed895eed8f330bbaf43388b564. Chain 2 (Bitcoin): anchored in block 960250 (2026-07-30T11:13:28Z), 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/TCAFQ2152115.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e2348a166528bba1f0a8b10668eaf3f9417a4811c3d69bfc6763a1ea92f463d. Chain 2 (Bitcoin): anchored in block 960294 (2026-07-30T18:46:00Z), 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/TCAFQ2152116.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a1b044afa6f263193918b8adbed1f22e387fef1e133e3d81e444a51478ce2bf. Chain 2 (Bitcoin): anchored in block 960145 (2026-07-29T21:13:37Z), 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/TCAFQ2152072.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd979b7a4d3dcec2005c13f5690fe9acb6e170fc2d9d644f9791e8ea84bf531c0. Chain 2 (Bitcoin): anchored in block 960229 (2026-07-30T08:30:10Z), 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/TCAFQ2152071.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x389afd694d9d34f78ad8106e486c2fb2e2ecdeae1d9bcc73e5492060ac9c04cc. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), 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/TCAFQ2152105.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5bda5dd7f5b8fccdc4fea06386694429bf7fd3ae6aa0f06cc97a1873f8e9970e. Chain 2 (Bitcoin): anchored in block 958202 (2026-07-16T00:14:57Z), 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/TCAGO2251529.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69f3a52eb37afd4ee29932638de50a95f2aee0221dbd37d626ea365bc8213fc9. Chain 2 (Bitcoin): anchored in block 958650 (2026-07-19T03:36:41Z), 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/TCAIA2455957.