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 0x642dbe7357fc6d316c525dcb0b9556059c6328ce0a463200147ac46687bac0a8. 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/cb663d7c-5ce5-4276-b2ce-a1224196b460.json and https://artists.proofprofile.net/proofs/artist/cb663d7c-5ce5-4276-b2ce-a1224196b460.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
El Zoológico Del Horror - Canción de Zoonomaly
Encuentra la Flor - Canción de Poppy Playtime Capítulo 1 y 2
Canción The Amazing Digital Circus 1 y 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 → 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 0x4fd64a317c0da826d93ba1159d8609cbc659974cfc31d7c8a133d9fabd5955d7. Chain 2 (Bitcoin): anchored in block 958111 (2026-07-15T06:58:20Z), 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/QZMEN2436662.
El Final Está Aquí - Canción de Garten Of Banban 7
Pesadilla En La Guardería - Canción de Poppy Playtime 3
La Triste Historia de Zookeeper - Canción de Zoonomaly
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09990136ac674e58a5715cc3e3e8c5808b608b3f8851e52b73a45f9c6ad6fbd0. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/QZRP52492972.
Canción De La Venganza De Pou - Bou's Revenge
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf8cbbbddd75507d761d606dc6a781f282ed8f9683878694f252113e028c3116. 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/QZTBE2426507.
Canción de Clucky's - La Atracción De La Muerte
Canción de Incredibox Sprunki - Prisioneros del Sombrero
Canción de Indigo Park - La Última Aventura
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24e0434a9ab5fe4326a0299b257f325c2440cf1452a8483a7f625f2c93830a3c. 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/QZZ7R2476253.
La Triste Historia De Catnap - Canción de Poppy Playtime
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad43d16ff87bbe9cb1f825a108115417164ff9928b50ce4b88a24974da35b61e. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T12:54:21Z), 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/QZZ7W2403632.
Rap The Amazing Digital Circus (Gummigoo vs Caine)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcea74504969c3128de65f5a69b0693090be11174a191d7f546ecfc8321766524. 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/QT3EX2467283.
La Canción De Black (El Sombrero) - Canción De Sprunki
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf5c88cc3d9328ea75c1696272bd03410f7be1296ca3552da02dffa91c44c515. Chain 2 (Bitcoin): anchored in block 958153 (2026-07-15T14:24:51Z), 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/QZFYY2565881.
Catnap vs Dogday (Batalla De Rap Smiling Critters)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x468f6def08d32bbfab7d9b5e8cfef91f0ca03bce20fe156083c45dbf83d4dbd1. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T13:07:28Z), 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/QZDA42503880.
Traición en Poppy Playtime - Canción de Poppy Playtime 4
Doey El Refugio Perdido (Canción de Poppy Playtime 4)
La triste historia de Flumbo - Canción de Garten Of banban 0
La Canción De Joyville 2 - Monstruos Con Ojos En La Boca
Los Nightmare Critters - Canción de Poppy Playtime 4
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb21c826b5bbfdd8d3214f55648d527dae36b8720293b99207175e5f76ea11340. 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/QZTB92540395.
Terror En La Mansión Mildenhall - Canción De The Amazing Digital Circus Episodio 3
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x575094b64c490f45f9d6d83d5b83a4e1606efd55fb27238a9b9aeba86e480282. Chain 2 (Bitcoin): anchored in block 958808 (2026-07-20T02:49:15Z), 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/QZTBF2531570.
El Lado Oscuro De Jondres Gc Vs Jondres.Exe
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8cd29445e83826c9a19a2b74e19e58b0920f0f01ff730d21ea9febf07f93516. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/QZZ7T2504177.
Detrás De La Máscara - Canción De The Amazing Digital Circus Episodio 4
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3b98d17ff25015c67793786c05908f5f7454fe0193b3d25cb0c41bbeb0dc578. Chain 2 (Bitcoin): anchored in block 957785 (2026-07-13T01:55:31Z), 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/QT3FC2545713.