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 0x0f292ac74e75cf37e5f8c6c15f85a1b2a26e2819ab0ecca6c743f8f319e95456. 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/b7cef689-a774-4061-816f-ae3c5fbc41f9.json and https://artists.proofprofile.net/proofs/artist/b7cef689-a774-4061-816f-ae3c5fbc41f9.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 0x6473c7ad457f89ff509b4c868e4cafbf86ea74ee78d2bf2c7c701061e64a7201. 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/USA2P1604841.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8c3c54f07f4fb4044f49cbb80d2da5760362e27499477f48b4621a29a3a76a4. Chain 2 (Bitcoin): anchored in block 958176 (2026-07-15T17:14:36Z), 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/USA2P1604843.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd43826ccff47f577fe05a7a67cf8023a197de0fe9a85936c5eb720efb8ab5437. Chain 2 (Bitcoin): anchored in block 958110 (2026-07-15T06:57:12Z), 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/USA2P1604846.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d7b2bf36d65dcc007fa0ad645f6b6115a1b634ec533d90b8ffd459d514f8d68. 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/USA2P1604847.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc37bcced4fddd7290bd8fadad5013bf444bb133a803dec62e8c55dbb2e6cd9d6. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/USA2P1604848.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81eea6fdce10a5e4303ac1a6e622629be976fd5c4012a7c12e2e4cccd9bf3a49. 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/USA2P1604849.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x003472849d5d28d679014464dbbb5b5c5d941583b5dae3ce202239a2e487d6dc. Chain 2 (Bitcoin): anchored in block 958122 (2026-07-15T08:02:29Z), 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/USA2P1604850.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41e3207e7c6cb44b97c86ba61d3674339593a1dc3a84b85c7315c632d6b03ae2. Chain 2 (Bitcoin): anchored in block 958121 (2026-07-15T08:02:12Z), 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/USA2P1604851.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c6bccba672ee6d081fd661eba9c61553cff8f03a7572b5a065316e3909ace43. Chain 2 (Bitcoin): anchored in block 958268 (2026-07-16T08:56:51Z), 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/USA2P1604852.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd03f9464cb2e1fa8e36712e2107e9620f516ff365375be0083981af832e4d3e2. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), 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/USA2P1604853.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4ade4e06152615d4aebcc0b08db2d975e422b1cb3105ab3c51f5d5c9e02ec58. Chain 2 (Bitcoin): anchored in block 959043 (2026-07-21T18:40:26Z), 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/USA2P1604857.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8decd1d83f840053dca2e67bc3c9fa5c4e1ecada146b5364a92526e74f183d3. 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/USA2P1604871.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ac7088e8ccdd02bd1dd70d44178c4be90e413458cff70d06820ea28d5bd1acd. Chain 2 (Bitcoin): anchored in block 958268 (2026-07-16T08:56:51Z), 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/USQY51754461.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc516e7c32fa4fa239787cd890f086a083874417ddc649c0391012345e729ff58. Chain 2 (Bitcoin): anchored in block 958607 (2026-07-18T21:01:11Z), 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/USA2P1963859.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b0e34c2f4764e5f2ecdf964e5dd55ee84fcaeb4fb7da1854b490245c164679e. 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/USA2P1963863.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7707e77aa3ec73e8ac7884a97d1801bb848168862b9e91f67dc22296082f5f8. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), 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/USA2P1963865.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b68be311edc7504044d1729025f0c1b6db212a16eaad21c71247de8471225e4. 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/USA2P1963866.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5473e1df91feed22937589a29d1cef0e78048b1b93a45997c32e5e5091195410. Chain 2 (Bitcoin): anchored in block 958410 (2026-07-17T12:18:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA2P1963868.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce8778f512a2a4fb84d5a683267d18babafd0afdb0164834ccf4ae2eca3586ca. Chain 2 (Bitcoin): anchored in block 958613 (2026-07-18T21:35:09Z), 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/USA2P1963873.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x407d686155af446a5c640c505fbbc47a4078d8f2e21d7a70673bf6e6516787ee. Chain 2 (Bitcoin): anchored in block 958496 (2026-07-18T04:43:53Z), 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/USA2P2008641.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf284c79eeae93e6cfcc66f668ccd23d2be610bd2746104722696d82d2a3050d0. Chain 2 (Bitcoin): anchored in block 958700 (2026-07-19T08:09:50Z), 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/USA2P2026947.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2335aa762dc09a506e66e6096f71867728ea87caf8a42e430f79f67c16222dc7. 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/USA2P2030353.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x407fb1898fd7ae838b7fe3cd7bb09a9a2a6c07300433ba4f0eef6d19ecbe1fd8. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA2P2030354.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd778bf9ea0a2128cfa8cf0e11bcfd1e8e2d25cb27e4fb9815332396a6997e84c. 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/USA2P2030355.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c40206e7a7064ac07328200045bccb084f8c5173f314513d4ceabdb0976816d. 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/USA2P2030356.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x449a28170d70c6cef04070ea453093de3be86f1147cabd69312dfed5bbf066b4. 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/USA2P2030357.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c577e2ee785d837b9502a177f48bd65e6fbe97703a06bb5d127b039418e642e. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA2P2030359.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x822e6721ae66a4d1b98c860fd275f633aba0c8dae03ec02256e9b8f81e6dc2c7. 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/USA2P2030358.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc4c363a5532c8df4822e2ebc782565708cc2d9e818318fdc39bcbd96f0f4a4e. 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/USA2P2030360.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd30795fd2728672b218c7b96ab640e55bd146ef99433ba7eb7a39a70069c51ba. Chain 2 (Bitcoin): anchored in block 959128 (2026-07-22T12:33:25Z), 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/USA2P2030361.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1043d9b9a4ad1933bc30724232746458622864d4fae8b106401f154dae16d066. Chain 2 (Bitcoin): anchored in block 960216 (2026-07-30T06:39:12Z), 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/USA2P2030362.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37482e452435a126159d8585a458122fd2db953ce63f459f5a26dd049dfab1c1. 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/USA2P2035177.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d36b016aa03c2037036cedb87e01187fe9bb08027f2b65bd96d41f1e8f16a3d. 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/USA2P2035178.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22c70afb83245e68e88a41a20f49af75dbeb9756482ec275c9612f250c592768. Chain 2 (Bitcoin): anchored in block 958121 (2026-07-15T08:02:12Z), 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/USA2P2035179.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b793f2050dac5c3bc78750723e50e7766f2547b451158702603fcd7e146ac4a. 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/USA2P2037339.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc3c672f5b4274f3e1c1afac061c402fa520a4285cfa3f949b93ae3a751f73b5. 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/USA2P2037340.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb311943e7fb3c8959dd4fef5562461d4b26f74053f887d84320aece7037ec95. Chain 2 (Bitcoin): anchored in block 958924 (2026-07-20T18:54:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA2P2037341.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f674011e1364d5e64a5ffd1ff5d2b0997ae51e51e3d76175a9201f53168fb73. Chain 2 (Bitcoin): anchored in block 958216 (2026-07-16T00:00:34Z), 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/USA2P2037342.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02275a190be7783f1251af353e736c611bd2d7f8626c67487c3254571443ac9f. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/USA2P2037343.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad06378eed3d547d6670b7d37a93bbb163259d5bfca5fe75a21cf0df069dea75. 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/USA2P2037346.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19b65228dd0c6d966376de29a27d0709ad73bcb9b10506956efecaef231beb91. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/QZ5AB2359448.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x662febd079d9a635ded98bb756605eb6de79e44298ced8620c5525bc6f5cf95c. 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/QZGLM2391743.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e421eaf507fbaeb36ecd343d0141e850fb683a7c5ea7f657929256e12689224. 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/QZGLS2437138.