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 0xca3b3d682948adca9d04ccc3e8e1bf523d3919c30a8052990c03604ee1f6283b. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/77af58f8-20f4-4847-9dde-f042e9bd1005.json and https://artists.proofprofile.net/proofs/artist/77af58f8-20f4-4847-9dde-f042e9bd1005.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 0xb178c3e3607ce46a88664b5b308ead193c3a00baa08df43b14f8917a0c2f0490. Chain 2 (Bitcoin): anchored in block 958774 (2026-07-19T22:22:00Z), 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/QZFYX2526210.
Golden Sign | Zenless Zone Zero Gacha theme
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb78c9ec21eff78f3476ef1f2ea6ac47abcece6668b74bf35428124cdddc4fb5. Chain 2 (Bitcoin): anchored in block 958742 (2026-07-19T16:26:23Z), 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/QZFZ62581627.
Yumemizuki Mizuki - La Tejedora de Sueños
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72e03b9f5b1a69ed4dca4ba2dfe50fc10ee3252f5742a5801868c1332e8a47d8. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/QZES82528730.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1c06868c337cde923b1f40385f7b8b0abd283101d4964c185431952904eafc7. 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/QZHN32507464.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec22641740b67c9e097f1f04578dd2cd779e9db100cd9b6b12e9a3a9037e5f86. 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/QZES92590535.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17186b6961ca9ec0b291c4e5a3ce7185a1f58cfc537abb81a39a476b5a1ca95c. 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/QZK6P2566297.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a4c5562db39637d22c1a215febd035dde3b0a2f89d5554e5dfa483685cf366c. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-17T04:51:01Z), 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/QZTAU2546817.
DAWNBREAK - Aquila Boss Theme Full Ver. || Honkai Star Rail
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9389f8c46ff45117283aa14d3c2d33ce08fc780fc38ae59099c32d2d053bf3c1. 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/QZTBE2567750.
Lupa ost theme - Ode to the Nameless Martyr
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf940523fc3ca9ade5a184fed755b5308b15938324e118e20f0c6099635776d4e. 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/QZTBE2571202.
Honkai: Star Rail × Fate Opening "Owaranai Sensou"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd09385c3426b82cc9b4c2d05ae57fcccda54bba083e38c0e75c589156e473b9a. Chain 2 (Bitcoin): anchored in block 958256 (2026-07-16T07:22:18Z), 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/QZWFH2532512.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49d5d5eead15c5168a9d9e126321b1ace5c539891479b65e862b0b53a0b6a3f5. Chain 2 (Bitcoin): anchored in block 958802 (2026-07-20T01:04:02Z), 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/QZWFL2598092.
Song of the Welkin Moon: Moonlit Ballad of the Night
The Deliverer - Trailblazer Original Soundtrack theme
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6cd0d2d7ca6601ee4147db7362e4992cdcec0ed017df124464cf555e52ee047. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/QZWFT2595991.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12d221a4f529cd412b4a0c4b2a20f3b235ebab490a9c1586e521ddd13deee72e. Chain 2 (Bitcoin): anchored in block 958749 (2026-07-19T17:48:00Z), 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/QZZ7M2563797.
Cerydra Theme Music Extend - Step Onto the Board
Iuno - "There's No Moonlight This Night"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2a00c3ff8f848252c445495cb1606a7ac8beaf5937894c41a392e85644bec4b. 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/QT3EX2508997.
Evernight Original Soundtrack Theme - "Night Falls, Everyone, Close Your Eyes"
Evernight - "Night Falls, Everyone, Close Your Eyes"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2c693c60dbc1eb86a9674ebdebe4ea41085228be0f987315b46b628769a618b. Chain 2 (Bitcoin): anchored in block 958319 (2026-07-16T22:07:17Z), 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/QT3F62563512.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad0cc7d876ba3a68b0ef6b656bd96cc713c689299258ffe997b84d8a5d150e24. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/QT3FC2513486.
Dan Heng Permansor Terrae Theme Music - "Home"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa498dc6fe004400d02bc721ee5cd678fe81e549346d6dfd3079cd37efd1210c7. Chain 2 (Bitcoin): anchored in block 958166 (2026-07-15T16:52:08Z), 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/QT3FD2588944.
Dan Hen Permansor Terrae - Guardian del Expreso
Nefer Original Soundtrack Theme - Shadowbearing Serpent
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3626a825c369a0074712907dc75ad207e277608971cba13572309d4018bc588f. 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/QT6E62547358.