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 0x2e0c880050d14c357008002e4feaa0be84768b20ce17085a87b398691923fce6. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0ffa27d5-e6d6-4ebf-aa58-9bac643f06ab.json and https://artists.proofprofile.net/proofs/artist/0ffa27d5-e6d6-4ebf-aa58-9bac643f06ab.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Perfect Jazz Background For Office Ambience
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 0xea9ced621f84078351f405509499a063928258d6bfb2e71d1b507ed6b1c9b125. 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/GBSMU7119211.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5edba55b7e45fc73d46ff37dea6ac635a4a935c237ac52bf7b6fe6cc7f9f39e9. 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/GBSMU7119212.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x257bc468a5f38ae4bb22e3d43236a7f9a5c74c7c3a4760098c2a19212a5c560e. 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/GBSMU7119213.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa138fa12c461a1158fd8cadf9518be91fcc64b764bcc75e71b74d6bfb552cf40. Chain 2 (Bitcoin): anchored in block 958142 (2026-07-15T12:46:59Z), 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/GBSMU7119214.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd172c2c4db7617b3a1c38f7012be91ad701edf8d289da5f74b8a666230e9bddc. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/GBSMU7119215.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0ccd40c6de25499310da1da236732c6cd4907f0506b13df8a4ffd52c5bc177b. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/GBSMU7119216.
Office Romance With A Jazz Background Soundtrack
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x550c4c3bfbe5ba42aae16d4b28afab3c60873235028a6d1585a02bcb893149f1. Chain 2 (Bitcoin): anchored in block 958142 (2026-07-15T12:35:13Z), 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/GBSMU7119217.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6e33ed1c0cc75f84f112f7de198912386b469a8c4b24037fa39d0732859433f. Chain 2 (Bitcoin): anchored in block 958228 (2026-07-16T02:46:47Z), 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/GBSMU7119218.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94617386564195a27d67be403c46edd5c2efd58a44a432ff4fc4e0bbdfaef080. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/GBSMU7119219.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf75b9c66ea2879ec0a72406de875a3568b44f821e2ee1bf132d1091cf25f348. Chain 2 (Bitcoin): anchored in block 956576 (2026-07-04T02:06:47Z), 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/GBSMU7119221.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xadac0b26c636ab6d858a0c5ee419cc961466cdadc1058552899eb6a02d5ad5fc. Chain 2 (Bitcoin): anchored in block 958324 (2026-07-16T22:58:03Z), 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/GBSMU7119223.
Scintillating Jazz Trio - Background for Sleepy Sundays
Modern Trio Jazz - Bgm for Chill Afternoons
Trio Jazz - Background Music for Resting Easy
Backdrop for Weekday Dinners - Trumpet and Alto Sax
Inspired Jazz Trio - Background for Hotel Lunches
Tasteful Acoustic Smooth Jazz Guitar - Ambiance for Mind Focus
Suave Background Music for Calming Taste
Music for Atmospheric Power - Brilliant Harmonica Solo
Quiet Latin Trumpet - Background for Morning Coffee and Chill
Spacious Latin Guitar - Bgm for Settling Back with Coffee
グリーンリラクゼーションのための音楽