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 0x2ac36e6883d8703cc8ba792572182e28bcaea0539d4cba38c6fae92539db1356. 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/346a2425-77c1-4ea8-b31f-0b7ed2371c04.json and https://artists.proofprofile.net/proofs/artist/346a2425-77c1-4ea8-b31f-0b7ed2371c04.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Acoustic Guitar for Sleeping: Relaxing Instrumental Sleep Music
Gentle Guitar Slumber (Relaxing Instrumental Guitar Music for Sleep)
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 0x4aacaedc11d781bf44d2ab4cb242cb3f5990bec685e0feac6458c2bd65e82229. Chain 2 (Bitcoin): anchored in block 957756 (2026-07-12T21:36:27Z), 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/USL4Q2427366.
Moonlit Lullaby (Gentle Acoustic Instrumental for Peaceful Sleep)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec0682879412ff276eb8d3c21444b4e1ecb6d402bfe41cb01f9cab9261a4c1dc. Chain 2 (Bitcoin): anchored in block 957756 (2026-07-12T21:36:27Z), 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/USL4Q2427363.
Serenade of Dreams (Soothing Guitar Music for Relaxation and Sleep)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4eff05eb25c443891e1b9863e74ad87965d1bfd5461689c3ddb2990eb9587503. Chain 2 (Bitcoin): anchored in block 957754 (2026-07-12T21:26:22Z), 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/USL4Q2427364.
Restful Melodies (Calm Acoustic Guitar for Deep Relaxation and Sleep)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfed5b540e0aada82cc7fb6182549bf8c6711fae7c0e4502bd49c2209fbe1cbe5. Chain 2 (Bitcoin): anchored in block 958146 (2026-07-15T10:33:22Z), 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/USL4Q2427368.
Dreams of Peace (Soothing Guitar Instrumental for Sleep and Relaxation)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa3945191b75e88fd5a698809959d2d396efc9c4db30f1291eedf9969c730c96. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T12:19:44Z), 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/USL4Q2427372.
Tranquil Tunes: Calm Guitar for Studious Minds
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f20226df5ff007a56d7d064b0283c5db95728ffe09b0396ef3846dbd900a862. Chain 2 (Bitcoin): anchored in block 958079 (2026-07-15T00:21:05Z), 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/USHM22403727.
Study Oasis: Relaxing Guitar for a Peaceful Mind
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99b4f414bb5e803945a7981dfe4da627eaebe9c8be0a2ff473f04e83846dc317. Chain 2 (Bitcoin): anchored in block 958075 (2026-07-14T22:55:31Z), 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/USHM22403734.
Mindful Mastery: Gentle Acoustic for Study Focus
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1658f749714625d8901706d16f6528c7115f421c205dcbb83f936ecbe475c6a0. Chain 2 (Bitcoin): anchored in block 958079 (2026-07-15T00:21:05Z), 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/USHM22403740.
Focus Frequencies: Acoustic Waves for Academic Excellence
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xefa4ac2aca0b15494162874fdfb9ca1b27a9ae57b79b202f46efbd4cd7018e16. Chain 2 (Bitcoin): anchored in block 958079 (2026-07-15T00:21:05Z), 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/USHM22403733.
Harmonic Learning: Acoustic Guitar for Studying
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf0c6b8eb860dde5cab6062368182660acc885293e2c1a18c16c5943d2ed6f05. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/USHM22403743.
Nighttime Harmony (Relaxing Acoustic Guitar for Peaceful Sleep)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9b98c4f0319e60805c6687488c267d6d9e443a978ccad0b5445ef3d877723a6. Chain 2 (Bitcoin): anchored in block 958176 (2026-07-15T18:21:18Z), 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/USL4Q2427371.
Soft Strings (Soothing Acoustic Guitar Instrumental for Sleep)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60276fea37380e02956c4af015b5ddb72ba316f68661ed53ed8cf8bb9275b862. 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/USL4Q2427369.
Tranquil Guitar (Gentle Acoustic Music for Relaxation and Sleep)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4cc6731af861f9c10c9f12f21a839cebe17fd6d8f40623eaaf683671485b1c0b. Chain 2 (Bitcoin): anchored in block 958176 (2026-07-15T18:29:05Z), 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/USL4Q2427370.
Lullaby for the Stars (Peaceful Acoustic Guitar for Sleeping and Relaxing)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc47b776f94af90ed590e07e662d541d840e9b54a93fc0839696a46c0efde7f93. 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/USL4Q2427374.
Mindful Melodic Study: Acoustic Tunes for Focus
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1aed8b9726e7795068f9aa80c5d8dfb77a2ce536cd8fc5a98bf79a0d697b599a. 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/USHM22403762.
Sleepy Serenade (Peaceful Acoustic Guitar for Relaxing Sleep)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47a9c34aef2a2c28ef6e63bc4194e01514a1a69cc1dbcfe92f0ed800cd95c621. 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/USL4Q2427367.
Soothing Guitar Echoes (Gentle Acoustic Music for Sleep and Calm)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x088fa3dec9ae5fb492c6507efa40a67dfee77fe2827752b516289825fe34a4c7. 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/USL4Q2427375.
Whispers of the Night (Tranquil Acoustic Guitar for Restful Sleep)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x107b1f152f0e56a2855506abac38c38efb92a332427401114d72ef4c7bcd45a2. 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/USL4Q2427377.