1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0x0ca7488c76cc79ba6b3402a610db396d4beec8d71f01ebfa21a89395b795007e. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8b6e233e-834b-489e-b409-4d8575983993.json and https://artists.proofprofile.net/proofs/artist/8b6e233e-834b-489e-b409-4d8575983993.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
The Golden Age of Light Music: Contrasts: From the 1960s back to the 1920s - Vol. 2
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 → block OTSBitcoinBlock must exist at that height 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 0x40c080a5150a11b21a698686f9b2cee967baf610f448ec5d46563f5c58c41ba1. 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/CH6631452302.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0562eca46da5d79da4ef65bcad5b48b5fda994edd333767daba82a826bedb84a. 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/CH6631452304.
Nobody loves you like I do (From the operetta 'Paganini')
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd41f50da21e4b975587f5351e17092e638eff1f2852be3d83a56d1da4c6e370b. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/CH6631452312.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x401606443e07712646c2593f973635f47422635ec08ff2625f7fa0839e2f1922. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/CH6631452313.
Everything’s been done before (from the film 'Reckless')
Wild Ride (From a study in Fox Trot Rhythm)
The Golden Age of Light Music: More Gems from the 1930s
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2637fb98fb92168bc01153851da1358182023183db390707582a127104752153. 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/CH6631552501.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1445ce0a86443c681df0504e10a2166db5b9fa057ec753a07118738037401b0e. 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/CH6631552517.
Finckiana (A Fantasia on the Works of Herman Finck)
"The Wibbly Wobbly Walk" Novelty Numbers from the Original Phonographic Cylinders and 78s
The Little Wooden Whistle Wouldn't Whistle
78Man Presents Instrumentals Of The Shellac Era, Vol. 2
78Man Presents Instrumentals Of The Shellac Era, Vol. 3
Victor Silvester and His Ballroom Orchestra