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 0x94b5bdf35d65575c77fa40b1569e5d9392fa583e54055838fc61d18cbfb4c95c. 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/ae9ef4c9-368f-4abe-ae4b-2560d57e5e1c.json and https://artists.proofprofile.net/proofs/artist/ae9ef4c9-368f-4abe-ae4b-2560d57e5e1c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Miraculous: Ladybug & Cat Noire (Epic Orhestral Version)
Teenage Mutant Ninja Turtles Classic Theme (Epic Trailer Version) [Cover]
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 0xb6a76f577ff30ef99a07587762d44664054d140bab56f846cd0def6ae26b409f. Chain 2 (Bitcoin): anchored in block 957573 (2026-07-11T13:43:13Z), 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/QZYD92300153.
Children of the Sky (Imagine Dragons Epic Cover)
Children of the Sky (Imagine Dragons Epic Cover) - no vocal [No vocal version]
Children of the Sky (Imagine Dragons Epic Cover) - no vocal - No vocal version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e5c0353663bd757ed18ee4cbe7d68c594af06a00e987e019f4f0f9cc7f8f380. Chain 2 (Bitcoin): anchored in block 959010 (2026-07-21T14:04:04Z), 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/QZYD92300076.
Spider-Man 2: Story Trailer Music (Extended Version)
Assassin’s Creed - Ezio's Family (Epic Version)
Super Mario Galaxy: Gusty Garden (Epic Version)
Sonic the Hedgehog Green Hill Zone (Epic Orchestral Version)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8b968f5ee5f633d59aff71c97bae7a4eb3274ad21cb6b08e225ce15351d89b8. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/QZYD92401510.
Batman: Arkham Knight (Inner Demon) [Epic Version]
Batman: Arkham Knight (Inner Demon) - Epic Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac4db59af5cd5470593d7731c17d8917a6b67071b1164638b675b7d67a757142. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/QZYD92401812.
Helldivers 2 x Starship Troopers (Epic Mashup)
I Don't Want To Set The World On Fire (Epic Version)
I Don't Want To Set The World On Fire - Epic Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46244420a41b13c8c7ef6fcac9072d92335974024bbdbb150f57a132c8480ddd. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/QZYD92402668.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9b43d92ef454f70cdf08e8680e3ae006686b9e372b3187fb4132019809a60d5. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/QZYD92300563.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x730aafafe35fed56d3b4e2b5017d52a88b0c7d8a3e031537331e4da69b1b205a. 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/QZYD92402293.
Fallout - I Don't Want to Set the World on Fire
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46244420a41b13c8c7ef6fcac9072d92335974024bbdbb150f57a132c8480ddd. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/QZYD92402668.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee59a4c8b113a936826c5007710abf2ab75dfbe37fa6c53f939ae2d7414e459f. Chain 2 (Bitcoin): anchored in block 958153 (2026-07-15T14:20:45Z), 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/QZYD92402497.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52c409f95ae19494309344d97133d4841c59542484e84f087333b6884c8e64c3. Chain 2 (Bitcoin): anchored in block 957564 (2026-07-11T12:19:47Z), 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/QZYD92403604.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c5379fdc8ea7a472677b8a7202d80236d487b9eecd75332d3bffcfadb86c36d. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/QZYD92403503.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4dcd82ed80dc651b4cb975ce40cddc597efe87130e75209641f632e716002b7a. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/QZYD92403620.
Marinette is Not Okay (Miraculous and My Chemical Romance mashup)
All Must Choose - Epic Version (from Hotd season 2 finale)
All Must Choose - Epic Version - from Hotd season 2 finale
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfbd5e744e4b7ae12280b423351b3448e76b44aa3fce9a45ac727acf2aebe2a0f. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/QZYD92403763.
Black Myth WuKong - Celestial Symphony (Epic Version)
Elden Ring - Main Theme (Epic Extended Version)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99882da70cf37353534b599194a0010cb15605b6749bc2ebeee4e1d8db8918bc. Chain 2 (Bitcoin): anchored in block 958058 (2026-07-14T20:20:34Z), 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/QZYD92404023.
Symphony of Power (Miraculous: Ladybug & Cat Noir) [Epic Mashup]
Ladybug & Cat Noir: Heroes Symphony - Epic Orchestral Mashup
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43c762d456c8a5a35cfd04d9577b2fb2a087b070b7d13f67a7cd1c62bad2ee73. Chain 2 (Bitcoin): anchored in block 957788 (2026-07-13T02:37:37Z), 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/QZAKB2348663.
Batman Arkham Origins - Main Theme - Epic Orchestral Versio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34f373cf977621de9931726a1cc3531b4b02a8460744da147577e92c8d5fec6a. Chain 2 (Bitcoin): anchored in block 957780 (2026-07-13T00:36:44Z), 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/QZYD92508410.
Batman Arkham Knight - Inner Demon - Epic Orchestral Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc627e1258a41ca27b72a7cf6b4788eb27a817c6acc378ed70adc8a736ad2b7e0. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/QZYD92508409.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19c3588899fcf7f85c7c3cc83d3784a5191ccc9a4cbe94aa1e382dc3158dbdf4. 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/QZYD92508407.
Battletoads & Double Dragon (Missile Mayhem) [Orchestral Version of Level 5]
Zelda: Ocarina Of Time - Requiem Of Spirit (Epic Extended Version)
Batman: Stage 1: Gotham City Streets (Epic Extended Version)
Airship Theme (from Super Mario Galaxy) [Epic Extended Version]
Super Mario Galaxy: Buoy Base Galaxy (Epic Extended Version)