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 0x3272e5eee9f6623d3345be3e5b51ab6d25c92af2ea37dc60954d234d9e2f1c41. Chain 2 (Bitcoin): anchored in block 953807 (2026-06-15T16:39:18Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e81abc7d-ce38-44ec-8985-b66573f779e8.json and https://artists.proofprofile.net/proofs/artist/e81abc7d-ce38-44ec-8985-b66573f779e8.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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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 0x9db207ff4ff834a8dc5fd34628d09f0d00744417be48c78e843f1ca3a5cec309. 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/QZNJY2344453.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72fb0a5c5d3d0e205b07a029a925c9d31a611acbf533192de5e54a7c7b5274d4. 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/QZW9N2263089.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae9dbb7960ffc7954f3470e698cc835eb71e1d67e1e051084ff9933016edaded. 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/QZHZ62116180.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98f1f89a90a8de003f8f14d241fa971cf3eb7b613b63a5728d7003e8ce30f0db. 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/QZHZ62116181.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x364aacd5ddce62071476e02e2551e411bfdf7da64ef0ed7c3dda754de4a26c3c. 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/QZHZ62116184.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24815bc9ecdd3be461d365f60c0006efd900a29bac9f5e6b59932174a4d2f1fb. 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/QZHZ62116183.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc22e236f8e85c77090c650d2fd8b7fa493119e5e5670632f4d070a7584c61914. 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/BKLFU2200001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ba7d817b5c1eed084597daff11f00a0697a58f220a87f6d7539d0beeb9d28f4. 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/BKLFU2200007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3750be712637f6057e5ba39b378bef6c8e3c68008035e30d6ff2aa8939904cda. 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/US7VG2255273.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4f629c338161d8ea4c8f6f45b548f9e2b2307813ab0537c4c6cf9cc129c8034. 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/US7VG2255277.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc483af4cbc6769cb6f112a2c8ec57dee72b25bfa0bffea70350ec5ad16beb37d. Chain 2 (Bitcoin): anchored in block 960236 (2026-07-30T09:37:10Z), 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/US7VG2255272.
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 0x4ed6c15079a1963c4a901e7b882791edb53513dd3d2f3e7efc02edd78528afca. Chain 2 (Bitcoin): anchored in block 960500 (2026-08-01T03:13:03Z), 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/US7VG2255274.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4eb58f4f4057663b0f16ae0c5f3d474b51ed7e7c2607aff9ddd38523ddcf8c23. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/US7VG2255278.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc51bbf8842d7475ec154f54eca7231fc002d734d7625b8758b0c53543d186a63. 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/QZNJV2189057.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb00dbb17f0bb641ed5ab2c24f2666ae743bb8578473193e3774a21760cc5d538. Chain 2 (Bitcoin): anchored in block 957039 (2026-07-21T17:33:42Z), 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/QZNJV2189058.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda987fcba21742dccaa59ac7ab22072edc7df43a13ace859cff04f7dc6cb7e27. 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/QZGLM2230126.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7cd09b73af9e855b137a40fed99dbb1eeecb05d1115d9f33826f6e55895eb1aa. 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/QZNJX2178281.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d3729cd500e6b5f1ccf7e40a51a5c99c5474ba7c4eb1673c8d1e08f2a125ede. 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/QZNJX2178303.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x345753bfba02d609c9fe8a82f31860c910f84582eb928d0fb2f911d33930d058. 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/QZWDE2475714.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6a412060555585d13ba6d5cdc6f60b2b3ba64f87155ed45fba7727c161d8571. 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/QZWDE2475718.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa698f09197dcf5b9257224cb5f514a737600f12a2800e5c3d35c3f8c73f2e47b. 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/QZWDE2475719.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21f3d580ff7e25aad9b4e17535ec1b22ca8c3bbaf2d0ee9a418b399a43f2efe8. 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/QZWDE2475729.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd059903b4f7587d09cb3e8e38998943000941b16588e902ea08788e7dab91343. 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/QZWDE2475788.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8fe0c4da1201fb35c22bbe7d0790d7c0cce7bb61391ef2075ba30264cfc7a18. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/QZWDE2475798.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x042ce894b274cce6dd5b10412dcc7e01b5128dbbe3d19838e5e7ed65440f5c11. 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/USLZJ2586792.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9aca555f18e68626fd53eb3aab4f35ada9cf6736e059284f0d70dad298c44c8. 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/USLZJ2586805.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a413c9ac29541eab25de8c0a8b536c78a0b24cb2a5e65717500bcad6f9c9b28. Chain 2 (Bitcoin): anchored in block 960506 (2026-08-01T03:50:58Z), 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/USLZJ2586810.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86787379be3561f6719c455281e87f73aea817581ca3255237d287595cfef6e8. Chain 2 (Bitcoin): anchored in block 960344 (2026-07-31T04:14:58Z), 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/USLZJ2586813.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc207bfdbc8306349dd1a28e7faaeaa99e6deefc4a74315d4d3c7b63ca9bfad81. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), 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/USLZJ2586816.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97ad0b907ea61596b337471d8e0af1188c9485f379d3edee3c8e371790b579bf. 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/QZTVM2473347.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0159c0ec122afa509919b31e9f949fe3a19dd2cec92462a87949b00c23d03e4. 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/QZZ8B2439480.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x086d31b3d3d773e8798c2bfaa06ec3667bf1f8d551d89b0f058bab37adb80426. 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/QZZ8B2439484.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79cc2b115c8089683a6e0d2c8568060da6f490afed5245d3a4d7a8caf73895e5. 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/QZZ8B2439616.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d85ad0f298b876c5e87d4d4225eb9b63e31df082671bfd725e239cc2944ec68. 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/QZZ8B2439620.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89e7ad4410a389c5378133f53aa95217d4c19ddaf441ab577151cde6609941ab. 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/QZZ8B2439644.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3ffab34572f771daf8aec612d7f4f98fca44df8f0c579f791cdbc9dc5195c0b. 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/QZZ8B2439663.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd854c357635eabbc95bc3dffc2408fb1db83d161939e0d2aa656503f4a49839a. 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/QZZ8B2439679.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e4604c2349208ffb427817e59ebddeb170a07f4186cac2247045d8f321b64a0. 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/QZZ8B2439683.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9fd983967651bc59439e07f348021bd1004a2eb0578f0f804079a7ee83019bf7. 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/QZZ8B2439686.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4267601ff3ed4c4042810f775a2f1c2fc2824cf0037d7404ca37c1901d4b945b. 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/QZZ8B2439696.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe64e7ac3bdaead97833c822e404e7f0ae33a34f808d769e3d74e213f066c68d5. 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/QZZ8B2439717.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47da9a919ac0a5308e2358075c6b0aa75a9417a09e50db25a6a29cbb4bcbf89c. 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/QZZ8B2439723.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c4ee6be99f61ff56107ab4efe32a613926bcab4eed3056c1f766485f6915c3e. 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/QZZ8B2439768.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb6d1f8206f483316bedc9266070a2f3560ec30387b10074a0a313e1a32a20e9. 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/QZZ8B2439774.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50f100f77333e2ac2b3fa3ecaa331ff958be868dd52990b7f13cac8d758f0a70. 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/QZZ8B2439783.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f03d5420dafac4da6d648c16b508feebdffc4b41fba1b7c71719d6ec5e01b22. 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/QZZ8B2439837.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0153d7d3dd5ee99b493c098f4fe6eb3536c621daa48f57e4291f35e281e07799. 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/QZZ8B2439843.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c2d1056902ef188a992767b63bb7953a09b6c2749bf3dc9fa280c9604ddb990. 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/QZZ8B2439846.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99159aa48156cfb3181a3c83ac6bcb0f70716572df0f030e55ef1e2183d7675b. 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/QZNJX2353859.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9b8226d24820d81f99a4273e44381bf35d4dde69ea13487360d12cf9b6d0e8f. 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/QZNJX2353860.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90cf0b84d49f8fd685c7725c6e759612cb8a1238968ef73674bada8d054a649c. Chain 2 (Bitcoin): anchored in block 957020 (2026-07-07T09:18:01Z), 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/QZNJX2353861.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89acf4e3e83f6eed215b3441acd3ce21e9c593a51b42d6a24a9c871bf09e8c88. 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/QZNJX2353864.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4fc56fe3870c1c62cbeb828a57183a56d4a762a0319c54b55709c6788c75709. 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/QZNJX2353865.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e4ebce0f9203f50aae4440ddeaff445f401a4be416397c11af60200b9632f92. 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/QZNJX2353867.
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c3cdd88b7d84802eec04c583f39d02c2370a0132e09fbfaa02ec86e68f2db5c. 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/QZNJX2353869.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a5bc3164795ce38a0d2cd4f2b9e1d39b58560a27ffc169b7580976fc6b78f8c. 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/QZNJX2353873.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe243061e131c321b80060c67870206899870ce1b6170541afad7a36b00c96d09. 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/QZNJX2353874.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf45ef989ff1b70211e4561d01f82520be7fd31f0c25dbb7f1fc172869bf78283. Chain 2 (Bitcoin): anchored in block 960113 (2026-07-29T13:38:16Z), 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/QZNJX2353858.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb898fc6a7d4def11215a35304fe0497d701744ff6a4d2f69d9798f3669b905cd. 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/QZWDD2281660.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb41a0e8c112e6244d2b7e1539274e23c67c2529f1f8443435c42772ef3e91f26. 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/QZWDD2281671.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4b8d2e88359a40cf42de7ea0682901fd21b5813481a78e36c50b9a4b11b7bde. 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/QZWDD2281673.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8be981943f8c7e0440310e8f6fa0a2e7bdb31e36323d704e7deb5483c06cb49. 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/QZWDD2281701.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6450c1d8bbe52e075cb2243f842979d3a5207560a11cf0c8c26469e3b6ddfc3b. 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/QZHZ42221647.