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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab300946bda206a21e154fdf04e77f2351541f85a11c2ae5105691c40826b798. 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/f6e44b46-880b-4161-8566-77f6920eb599.json and https://artists.proofprofile.net/proofs/artist/f6e44b46-880b-4161-8566-77f6920eb599.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Under The Sea (from "The Little Mermaid")
Doctor Strange in the Multiverse of Madness (Trailer - Solo Piano Version)
On Broadway (from "Better Nate Than Never")
The Lion Sleeps Tonight (from "The Lion King") - Upright Piano Lullaby
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe543dbbc5445aee9ad585f2443f56d825a259fea875864d78acd3f4350614e9e. 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/AUMEV2265582.
Be Prepared (from "The Lion King") [Grand Piano Lullaby]
Be Prepared (from "The Lion King") - Grand Piano Lullaby
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6abda13ccd61f6b55c28040b903ff6ae1c1f1dc3f9b8675dc70a45f6b225ca8b. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/AUMEV2265594.
Edelweiss (from "The Sound of Music") - Upright Piano Solo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b3663a8a9baefe8be25165acc122b08820154fa927ccc14684302338314077f. Chain 2 (Bitcoin): anchored in block 959094 (2026-07-22T03:33:16Z), 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/AUMEV2266378.
Into the Unknown (from "Frozen II") - Upright Piano Lullaby
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02c1e4d6f41c1db689ade748e85cbf5610f7c86cd942efeec7e2a34797f8dff7. Chain 2 (Bitcoin): anchored in block 959094 (2026-07-22T03:33:16Z), 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/AUMEV2266398.
You'll Be in My Heart (from "Tarzan") - Upright Piano Lullaby
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa985893d563df8cf502e555958e3aa7f3b03ac4da34bde75ab5df7a438ae03bb. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/AUMEV2266402.
When You Wish Upon a Star (from "Pinocchio") [Piano Lullaby]
When You Wish Upon a Star (from "Pinocchio") - Piano Lullaby
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca01c74eb8193adcfaf1397399347d098d56c44e2c286c6908c14a20702b5364. Chain 2 (Bitcoin): anchored in block 958501 (2026-07-18T05:33:04Z), 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/AUMEV2341009.