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 0x6f36ecd6525b8279e21dac2c9a8aefc0902d17a263165dde33fd1c08675c5d75. Chain 2 (Bitcoin): anchored in block 953743 (2026-06-15T04:52:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a09facdc-cce3-4487-92d0-ca3763a2214a.json and https://artists.proofprofile.net/proofs/artist/a09facdc-cce3-4487-92d0-ca3763a2214a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
(Hey Ra Ra Ra) Happy Birthday Mickey Mouse
Baby, You'll Soon Be Sixteen / Baby, Hold Out (Live at Tokyo Music Festival, Japan, 1982)
Daydream Believer (1994 Video Soundtrack)
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 0x45dcd2886e7c3a2823ba1de80091a6cd89e281406bd31425e48a5379dbc868d0. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/USX9P0937693.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe694f69b2fdeddd2739bbcfd93b20376d36778a0355bf41eed0d1b7355fa431f. 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/USX9P0937703.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b5c821d952b0f5cfb112dd4919d93a21197a1297b40ee004278efdacf078546. Chain 2 (Bitcoin): anchored in block 958594 (2026-07-18T18:05:01Z), 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/USAR11200071.
(I'm Not Your) Steppin' stone (feat. Paul Revere & the Raiders)
himmel auf der straat - Beatsbyrocks & Davy Jones Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x241985b1228d6bca7a44f3929e2a52d83192d92146190a88f6f6d97607e15afd. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/FR59R1986331.