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 0x0bc8b7b049ad4895b12c57b95b7ab38c552281c10f76d1511f54062db9bcf727. 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/147dfbc5-6a81-4631-87cb-46f6f9f2b5aa.json and https://artists.proofprofile.net/proofs/artist/147dfbc5-6a81-4631-87cb-46f6f9f2b5aa.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Main Theme (Animal Crossing: Wild World)
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 0x0a4cf0b3d938ab5e0d1b18c287be9463cce7d9ba3344e68bdbead56785864a7e. Chain 2 (Bitcoin): anchored in block 958234 (2026-07-16T03:46:09Z), 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/QZ22B2009079.
Gusty Garden Galaxy (From "Super Mario Galaxy")
Mission Street (From "Sonic Adventure 2")
Field of Hopes and Dreams ("From Deltarune")
Gaur Plains (From "Xenoblade Chronicles")
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2de0872a6d00d7414558db81edd30406cf0c6ff8362ef359edc90e1742b8d5f2. 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/QZ22B2096194.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc39d3ad10e2e57375f44c2796cd63b159fbbd1989bd7fa960f298d4ba6d66e9a. 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/QZ22B2096195.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2414e65d59b24c3873b51bffcb100b23db9ba386481e0cb18ba971127bebd452. 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/QZ22B2096197.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa82497e1b38f6daa5c91936bf38adc00ff7d78956f571daac182efba5ced1db2. 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/QZ22B2096199.
Those Who Fight Further (From "Final Fantasy VII")
Fighting of the Spirit (From "Tales of Symphonia")
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x909a865997c4412d9f29b0db0fa3feba23f024e61f8a5c9eee586e7f3055171e. 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/QZGWX2002258.
Good Egg Galaxy (From "Super Mario Galaxy")