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 0xa1d5d492ef7dfb0d7c77cc761b664083f4c7816a769b48b559490d5126ba538f. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c94be5b8-c5d9-4f9b-ba1f-9eb2ecb0bf9f.json and https://artists.proofprofile.net/proofs/artist/c94be5b8-c5d9-4f9b-ba1f-9eb2ecb0bf9f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6210c617008d702119ad305d8bf3c68dab092114f367b506a9ede84a7e285c0. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T12:21:36Z), 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/CAWK51901338.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7711a31b684dc5afa1e183dcb7c2f0a82073bba562265560744b704dd0211ec0. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAKHO1900256.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a0afe975a8ae9a0aafb28f2e9a166df8ff1a44f51cc3065d94b5190785c2386. Chain 2 (Bitcoin): anchored in block 958985 (2026-07-21T08:39:15Z), 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/CAKHO1901102.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86be0bfb8f9a1c246d799c25746fe16a6f7c3d73d30ee3928334d9dbf3b7494f. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAKHO1901103.
Study Beats Chillhop - Lofi Hip Hop Beats
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9946217341562182e5fbb6f298f2725b2c1d5b298f0616294459a12b10023818. Chain 2 (Bitcoin): anchored in block 959010 (2026-07-21T13:22:35Z), 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/CAWHO2031267.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38bc7c80cb444378d07d36eec5779fe03c0daa3b40b8674e1282d71c8e3f58f2. Chain 2 (Bitcoin): anchored in block 959047 (2026-07-21T20:38:45Z), 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/CAWHO2031268.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3477df0cc2534d14284f2d513cc0968afc3dbea7200984a25360a88e15b433dc. Chain 2 (Bitcoin): anchored in block 959010 (2026-07-21T15:41:56Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAWHO2031270.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x579f09a4a2bade4d076f6c71a3cbb3806594eca94313871f73e3241d92eee458. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAWHO2031271.
Study Music 2021 - Chill Beats & Lofi Hip Hop Study Beats
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x691634d3c1216fed3e81bb2d08d9607a0bad1ec12f4459954c80f2f975914343. Chain 2 (Bitcoin): anchored in block 958991 (2026-07-21T12:00:16Z), 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/CAWHO2028833.
Christmas Songs Jazz Relax - Instrumental Lofi Playlist (Christmas Music Instrumental & Relaxing Lofi Jazz Music)
Chill Beats 2023 (Chill Beats & Studying Music 2023)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4df4726b8c636b7c9fd50e78e6e61430eefd0042499477b1ecaf4c5cc61817e1. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CARHN2102525.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75de1517e41a45ddea3e9fb7b74259340014b0730d3d378f7e4784f9fac1c83d. Chain 2 (Bitcoin): anchored in block 959010 (2026-07-21T15:01:51Z), 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/CARHN2102529.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe363510a8c3b80edfdede97ceb0fa0bc1719e5eb1d626f75da9fe0e70e66a49e. 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/CARHN2102533.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d3666602e2a63bbbc03c51b98a53a1090edeef42216097d15fafbc1eec4d6af. Chain 2 (Bitcoin): anchored in block 959076 (2026-07-22T02:20:55Z), 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/CARHN2102534.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeca81f5c7a9706eeacf95571e61f028546e4ffb825bfd0e2f995f7bb117784c2. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), 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/CARHN2102536.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa341fd213e1893d33b0a4c67fa04350d85fb7753b305b58fd259555d549ea82b. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CARHN2102538.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32dea7b474090ec8e0bafaa8de91758e31e25758e741dbf49e1c99e1c8d00fc3. 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/CARHN2102539.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0007fb29145c14f733aeaf878e99cf15ee27694f66d89f191a93502014082a6. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CARHN2102541.
Lofi Study Music & Chill Out Music & Beats 2023 (Lofi Hip Hop Beats To Chill Sleep & Study To)
Soft Lofi HipHop Beats for Work and Study
Lofi Chill HipHop Beats to Study and Relax to
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26443b4ed7fd3ac6f7ff8767e081f6f813d7a5d16474af2e787fcc3dc5dbed0c. Chain 2 (Bitcoin): anchored in block 959088 (2026-07-22T04:01:31Z), 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/QZP7F2556572.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf51620455f24c6d4fc7ee07cf69295499fdb0707f21780b056f321824fd060f7. Chain 2 (Bitcoin): anchored in block 959087 (2026-07-22T02:05:55Z), 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/QZP7F2556573.