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 0xbc2ad51966d82e37cf01e6347cf916ad9de6f5d1f8f1299fb6532ace163b4ea2. Chain 2 (Bitcoin): anchored in block 953742 (2026-06-15T04:47:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8c457549-d93e-4fb5-86b2-ebebf8a11fc8.json and https://artists.proofprofile.net/proofs/artist/8c457549-d93e-4fb5-86b2-ebebf8a11fc8.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
8 Hours of Sleeping Music – Deep Sleep Music, Delta Waves
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 0xb6555806adc8163535850a061478e92bd3eddb1632ccc5ee923bd0b0de9a4119. Chain 2 (Bitcoin): anchored in block 958142 (2026-07-15T12:37:26Z), 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/ITLU52011662.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24b6d8e95ec4c248c77aceedb7501d61a3d0ce6ea0455e6c69c44d493ab6e235. Chain 2 (Bitcoin): anchored in block 958142 (2026-07-15T12:37:58Z), 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/ITLU52011663.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f38053f398961c098ac40262bebaa4583cc4e347c39eb238680f16f6c0c2f02. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T12:23:46Z), 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/ITLU52011664.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9fbd1be027f948eaff99207c3ed353824363893cf93f5dc35a11377b7df220e9. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/ITLU52011665.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76a9dfb97494932c3ebd505e4fca142fbf5a5113207bbc0a6d0d976779bb9b12. Chain 2 (Bitcoin): anchored in block 958373 (2026-07-17T08:48:44Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITLU52011666.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3e8222e5ca4cb4ddf2f7117268d40463f52bc4913facdc3162dfa6dea7f1cfa. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITLU52011667.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c4640edc59998e5b105704dcfd0a79ebd09349ee93c39095d286c8430620184. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T22:24:29Z), 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/ITLU52011668.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe41eccba35e5cc7291d6bfa474a1695d1ff0fa39576065c64d1b65b2a57caf03. Chain 2 (Bitcoin): anchored in block 958491 (2026-07-18T04:29:42Z), 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/ITLU52011669.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb67e60b60873217dd0180263b628b493209adf4c05676cae8e75f8c9afc5f089. Chain 2 (Bitcoin): anchored in block 958428 (2026-07-17T15:15:14Z), 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/ITLU52011670.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x380ca85847c26741cc1cafe4a5786b6593561c79c0725078964608f3314e6363. 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/ITLU52011671.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff63df3be874f8ff9a06d2227e0886d153e0a04ab60261833a19f9507aca0758. Chain 2 (Bitcoin): anchored in block 958319 (2026-07-16T20:12:32Z), 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/ITLU52011672.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f97ae714dde4f069f249e07d5055bb37b275b2218196f7e7101380e4db55560. Chain 2 (Bitcoin): anchored in block 958520 (2026-07-18T08:19:09Z), 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/ITLU52011673.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2122d27b629283894884cfc2bfdc053a450cdc8747755888ef657bfe7b547a8b. Chain 2 (Bitcoin): anchored in block 958673 (2026-07-19T05:38:28Z), 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/ITLU52011674.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec6681d695387d94669a0585ccc04d558c5023e5462b121d1a4b4c60a46c1944. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITLU52011675.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaab5f64252485e6e020361bf7fed1e823e59a2f754c25d6b9a7a68ff097f0c75. Chain 2 (Bitcoin): anchored in block 958765 (2026-07-19T20:06:14Z), 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/ITLU52011676.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3a66c2dd5b10df105c2b99ee27fd21a7d295f9ef75447f90ddcaff6eeb4fb02. Chain 2 (Bitcoin): anchored in block 958631 (2026-07-19T00:50:09Z), 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/ITLU52011677.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17d525f844feac98709998a660aba01e9147ac2f98aa6744329afe65b33b6f84. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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/ITLU52011678.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0953d1cbd408549a1b0e83a4c669bd8239d9d422feb532fb53716f06ef65c9f0. 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/ITLU52011679.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae22c4271230e2f253e3ae9610dd07996f537271f224888ad9dbef22a624f94a. Chain 2 (Bitcoin): anchored in block 958508 (2026-07-18T06:27:01Z), 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/ITLU52011680.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc27e465a98f90b02c0d812c2bedfcbdb01925df16dc55a67138644a2ce5acf43. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITLU52011681.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe807613f96a1b14b58a2e42024e7229687e0cedfe2da6f86925dd7dbadce8cb7. 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/ITLU52011682.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01c6d733530bc18d0b0a787a6f573e36343455f2ca0441066efad0599a7fd527. 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/ITLU52011683.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8cee966423a80116cba45eb4b477179145c9dfeb0b41633db6ff5b93afed83a. 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/ITLU52011684.
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