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 0x182e63b327f5a6c6c95d00a664920e5e4eed57629e3c0786d0146c3656d4e6ec. 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/96fef2f4-8378-45dd-96f9-9dd9bed55eda.json and https://artists.proofprofile.net/proofs/artist/96fef2f4-8378-45dd-96f9-9dd9bed55eda.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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 0x5c7b3b632eb7d07896ff0a6a5b58b6cdd344f7e9c82f3776e755871a5a60172b. Chain 2 (Bitcoin): anchored in block 958716 (2026-07-19T10:15:55Z), 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/QZGWW1903377.
The Dornishman's Wife (from "Game of Thrones")
The Rains of Castamere (From "Game of Thrones")
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4bdfaedd3f5e0a2fde0c5d17ef6fe11378274b33531470063de9773143e2eec3. Chain 2 (Bitcoin): anchored in block 958468 (2026-07-18T00:27:51Z), 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/QZGWW1912747.
Jenny of Oldstones (From "Game of Thrones")
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd93711f699e0c065d60e46acdf8997b0ab2fa2e1402fe22e1c8e4e215c73e781. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/QZGWW1912571.
That's The Way It Is (From "Red Dead Redemption II")
Cruel, Cruel World (From "Red Dead Redemption II")
Tak dej groš Zaklínači (From "The Witcher Series")
Ring Dang Doo: Songs from Red Dead Redemption 2
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x154593267b9420ff8b930d5dcde1217b7d7768a8b31f7b467c1b3a1bc1b48cbc. 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/QZGWW2072783.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c1ee25f7f7c85d2ed2e385bef6791ce7cf2238e79eaa08d385518b2224849ca. 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/QZGWW2072784.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d825280b35a96d7ac5f1dd9ddaf780e4792c5cb2538863632c20799cb1790c1. Chain 2 (Bitcoin): anchored in block 958639 (2026-07-19T01:18:30Z), 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/QZGWW1962516.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad89ffff196b5327e590ef82e0e4abf4fc33654972e96c071c2e85ee192f9611. Chain 2 (Bitcoin): anchored in block 958771 (2026-07-19T21:22:36Z), 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/QZGWW1964274.
Her Sweet Kiss (From "The Witcher Series")
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f1c69b80295b9c7646560ec00a5f117ef4e321e50dc0741d7d3227ec262ee41. Chain 2 (Bitcoin): anchored in block 958668 (2026-07-19T05:16:11Z), 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/QZGWW2079624.
Misty Mountains (From "The Hobbit: An Unexpected Journey")
Vše naleznem (z filmu "Ledové království 2")
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22381407c078297c06f559a81f281fc8e5af6148a1ff64843d789bb8838be178. 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/CZM072012001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc183eec3394767e48160ed3f123ba14f37461e2ee9d1b07f604ba8e3128c837d. 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/CZM072012002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb58945b98f00b65166a52b7066bca792ab8985bc10c57ac13b78a4a9c641d444. 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/CZM072011003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99584d5e697ec2a4d41cf20206d64fd9a1e914f9013c1d9bd0203287409dc7ee. 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/CZM072105001.
Monstrum's Lullaby (From "The Witcher: Nightmare of the Wolf") [Czech Version]
Monstrum's Lullaby (From "The Witcher: Nightmare of the Wolf") - Czech Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79a862e44e4c771e3053302e5cdd3349ab7fd6b64a0be34bbe1ecc8e0f9c848d. 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/QZPJ32102949.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e9ff261dd9a5d702727ba80678880d35fc2e5ea98941ff00a354f8866fdcc4a. 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/CZM072201001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5e74b15c1b515939fe936fb7f22ae25dcaeef48403b13d26e765a22b643c3d7. Chain 2 (Bitcoin): anchored in block 956482 (2026-07-03T10:33:57Z), 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/QZPJ32151971.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa3a81c49f77cc29a9a9e3d30f7e547f50e749558f6a73738941f61a0cd26685. Chain 2 (Bitcoin): anchored in block 958436 (2026-07-17T16:42:22Z), 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/QZPJ32152009.
Tam za řekou (z filmu "Princezna zakletá v čase")
Píseň trpaslíků (Misty Mountains Cold z filmu "Hobit: Neočekávaná cesta")
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1306a5e42b854601d292729126ed1758af84ce41c09380822fe181538ba9a03. Chain 2 (Bitcoin): anchored in block 958383 (2026-07-17T08:20:01Z), 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/QZPJ32252231.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d376ec846e35299d687fc35454fd0a4426ab751b7f5b42365f7c95f39d2ac78. Chain 2 (Bitcoin): anchored in block 957891 (2026-07-13T18:21:04Z), 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/CZM072400002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd79af008ef5903b5bc3c7fbbfb46feca8b1aca9adebee749e311e82944d2de3. Chain 2 (Bitcoin): anchored in block 958468 (2026-07-18T00:27:51Z), 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/CZM072400003.
For a Moment (from "Wonka") [Instrumental]
Cesta z bodláčí (z filmu "Princezna zakletá v čase 2")
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd08da85f8e65460ab6ed7dfd0204c5ab2b0afbff7f001250fdb69c2085c839be. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/CZM072400028.
Lavender’s Blue (Dilly, Dilly) [Instrumental Version]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21c6e37d091cd8a0ee5fcc5137da3c068489075803f5525363adf12454734cff. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/CZM072300001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9920656d4e0f0fd556e268c7e4a61b20a95c6cbd91ec6e8a15ab4f86ca332de. 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/SE6QE2452487.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d4da95ddda92eb66e957f910185c15e47f83b15269839bb0d2b2f84502d6c98. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/CZM072205001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a7297edf8e39b6ed72c3de3f5244b9b9aaade3991d7cfb87a5bc18fda7efe7c. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/CZM072205002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaae80827b5a25814a12df4f7e9b97005efb1cc7866d66417e32c9379a2f40673. 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/CZM072205005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x271cdc9d1c5d8ccebdb97f92bc04b51b147ff218b28e36fe7b765970b06a8d4e. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/CZM072205006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4d8438d727f4b564117735d24d74f3b55dbf6c7798763264da7cf7cc5b7be4c. 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/CZM072205007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc41bf2e8c9702e78028d80441cc195bd5a1194273c9ee76b261c4fa7fa3161a7. 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/CZM072205009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc316db8a8b241da083d2bf0f86de2e737088b87250c818c4fd5f8d1751df3ba. 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/CZM072205014.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd16611165602e697e417759a8a3d8f3498e94acfba4ec190de74191f8db88741. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/CZM072205008.
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 0x6db31b5ca1099fe8fa31da003b6eeab3c8b40855c57b490789e7c4c8fd7ba8b3. Chain 2 (Bitcoin): anchored in block 960203 (2026-07-30T03:35:13Z), 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/CZM072205012.