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 0xb2430b0ad6d4df2361b7f24ab8e1291fa852c0519c030ff698e1429a2ad707dc. Chain 2 (Bitcoin): anchored in block 953803 (2026-06-15T15:41:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e7198ab9-b237-44f2-a839-c198c6413726.json and https://artists.proofprofile.net/proofs/artist/e7198ab9-b237-44f2-a839-c198c6413726.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 0x830ab881f21bdf9d6f0c37a1173a394a5db509d262923773fbb7b79ab154a9e5. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/NOLYD1417010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f9bed8fcd3d7f71445cd7780b2d199025ede58a91a3f4c3ad287bd4bb39653f. 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/NOLYD1417020.
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe878b72fa4932c64dcbeb1ea40e754785b88557e13dc1d1306b3ed4825360605. Chain 2 (Bitcoin): anchored in block 960303 (2026-07-30T20:11:13Z), 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/NOLYD1417030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14a956e99c58c27cce3d83f40fd823147b1a5bd0e2a02bb98f4ea027c2831c92. Chain 2 (Bitcoin): anchored in block 960200 (2026-07-30T02:37:10Z), 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/NOLYD1417040.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf064142c23836a17d374f1ad43d1451df9210b9e4a82fce1a43c1a06135ead29. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), 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/NOLYD1417060.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9399f60a6dc615c9b5b2859e304c03c8dbbe6ebba317eb8a566c7fc9eac797d9. 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/NOLYD1417070.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec95e3048d5739233b0f32c8fa6ef249f34de6411877c95b058a5175cf54cfaf. 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/NOLYD1417080.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb280efcb6078b71b880cc57e5534bea3148b2ac94e4dddac4524a7f6678d154f. 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/NOLYD1417100.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x131ed4ef891da8431c923b1189459d1c9d8c87b25875a633cd8112b9af59264d. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/USCGJ1495539.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x579ca0804ce60d7717dd807faa67120b2c878c49b0b0103f5858f32df38e38e4. Chain 2 (Bitcoin): anchored in block 960268 (2026-07-30T14:53:07Z), 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/USCGJ1495540.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7784127f0ea6470f900e3c1e127be653796019d0548010b389b535ec544a9181. 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/USCGJ1495541.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x137ff8a970151a11b3cb2482649705008ef562416c3510bc89029fc1e9c17838. 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/USCGJ1495542.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2f43f9f308177f33a9e10dc14ad8da66c8bb3b4abce2c4a424676b4237378c0. 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/USCGJ1495543.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e592f0b3c094ce4af9965e05dcb6507c659e8ce54ee25e175ac64a3bd9e4662. 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/USCGJ1495544.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4b6611228d9621e61a06b268547147e82c75e6138698b5ac8ed6faa0be4c52e. 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/USCGJ1495545.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1349138429130cca9418f8124f50638b388a14e5f0c38ee721ff5e353c5ea110. Chain 2 (Bitcoin): anchored in block 960164 (2026-07-29T23:23:05Z), 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/USCGJ1495546.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x219123d607906c61df9fec1ed787f9ecc75fc0fe117c362f172a33eb8dae885a. 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/USCGJ1495547.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5bdc8d91a624287c6d72ae96f19f8afccd3d695870b06728d196910096bc3a3. Chain 2 (Bitcoin): anchored in block 960309 (2026-07-30T20:35:49Z), 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/USHM81511994.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75b98ec99248eb2c40575197ae41ecefdfcb582aec135bf919109b2573ca2bf9. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), 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/USHM81511995.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d0bfe1ddc7c400d1df0a98749c93773130ab1565935203b9ec7a8009c5d315b. 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/USHM81511996.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6f170797fe13559c5d6a6b682bfbeaa201a4048f09f2f65770b1897c6d99475. 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/USHM81511997.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa21ab409c1066faa7361df5cb95243b1246080f1543957fce36de8bdd1ee4d43. 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/USHM81511998.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd85e58a6fcfcc75b6d6a7b93f90a6e47d90b239bd308039280d6232b20566f31. 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/USHM81511999.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcdab7b282a6dec7711d6a52f3f586337dfb8897b5693384639c6c4fbe5597e89. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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/USHM81512000.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc81d800d63d5f5302056a8fbefe1ca23f23a8b38aaaeacdabab0cad5bf978c0e. 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/USHM81512001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3d05318b093e24ddb1e38523cc2a4a52063252357aa25b9c3d5ddaca0c364a4. 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/USDY42487039.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b932ffe28e33598acc8d62b04ffa561b6cc00e5e52dccead4745a71e476e933. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/USHM82392383.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9e3bc0f30f1877b263dcd384481d1d60f6b7fbdfabed17dd59a7a9e8bfb480f. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/USHM22322931.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ce588b832ef98d06cb35f5b61ceec2f020716e2b16b08048873990f6d5c0b0c. 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/USHM22299206.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd243c62519d54bb04094fe6314d7f9a70b3f36087dda2c88a48ade3c12c93c80. Chain 2 (Bitcoin): anchored in block 960509 (2026-08-01T04:30:37Z), 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/USCGJ2200265.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a54d7211e722a1c9042cda06ee17fdfea8a4406d43063d091813ec45e97a7a8. 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/USHM82135142.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc02bade4931906672be1c626b2250bc0d28db00181c5b5191b2929ff8f05785f. Chain 2 (Bitcoin): anchored in block 960494 (2026-08-01T01:44:32Z), 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/USHM22165941.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c9407be07d8f372a6a7ac524cc51ff7d4d825c2e87148a4811ef59b922a81b3. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/USCGJ2103774.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe2201f4f45ba61a7d6fa93744472ec8f7780734a5814fc0f5d04f4600616f16. Chain 2 (Bitcoin): anchored in block 960503 (2026-08-01T03:41:24Z), 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/USL4R2032521.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc4249fb1b8341b27f41887814c83064d7f3a8eed5a2c58b1bb0fb27c2458651. 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/USHM82005830.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xade9a094b9b91543e4b41831a56e648d9e6c5ceae33c364c787ee5ee17a5a790. 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/USCGJ1984002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa470cbaa8b9e3b67f1ef2476436f544c9ef152fa30b7e28822077d0ffb64f557. Chain 2 (Bitcoin): anchored in block 960203 (2026-07-30T03:35:13Z), 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/USDY41833296.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32771ad15a90c3484e30975117bb492b1ca387637cc6393ece2e8be84f8db389. Chain 2 (Bitcoin): anchored in block 960254 (2026-07-30T12:06:10Z), 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/USDY41833297.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21e0e2cde6f75d06cc5e70aca60f1144e1cc949bd10b4e0bcad91cdd229ab8bf. 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/USDY41833298.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69b9251857fe1194c350bc7074b269e806d8c8d892ef284d4b68a7bfd4b1b71b. 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/USCGH1734321.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58a4d388ac149ce8d4d5c65bbaa2fa96697c30dc23e3df90b020da89e3bc610a. Chain 2 (Bitcoin): anchored in block 960220 (2026-07-30T07:28:30Z), 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/USHM21677640.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d84c25124eec9f7404a4e48f49000fb7bc6af72d07c90ee97a8f34cc135159b. 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/USHM21677641.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb617f5759b1b3ab446a15f82f0ebc542ae8d00ab9d4c611a2afe77ebb5adc1fb. Chain 2 (Bitcoin): anchored in block 960302 (2026-07-30T20:09:33Z), 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/USHM21677642.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9192bcdf4b5ee5fbdbc2292e80267829240accdc8fbe214363e8e77bda3c3f19. Chain 2 (Bitcoin): anchored in block 960302 (2026-07-30T20:09:33Z), 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/USY242462411.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x663dfeb63e200b18f982ac5e3c7ec26d70035f86a62c69b203664221c9ad3406. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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/USX9P2474312.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74cff8792654894763f18ea812a6795f4f64af31d84e1778987474f92a17fc32. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/USHM22434287.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb256949e3b708f80bb1b08e49adca42d4b747328be670b96015306719063a06e. 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/SE5BU2010457.