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 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 0x06b8151199cf6249b4b606fa048bd2e939f1abe0eccd7127fd4769a8e0c90b8f. 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/df103eb5-2dd4-463a-900b-e95679e61db3.json and https://artists.proofprofile.net/proofs/artist/df103eb5-2dd4-463a-900b-e95679e61db3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
NINJA GAIDEN: Ragebound (Original Game Soundtrack)
Determination: Father's Message - Ragebound Version
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 0x8638e24a3445b33081f4ae0954cb9b4435b082a2bf56c9a6c32e49b75ddd24e4. Chain 2 (Bitcoin): anchored in block 958335 (2026-07-16T22:37:47Z), 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/FXR052500035.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8ad88ce10773ab829020820d63471acb0082f7dc12a0bd15d397e3546178f59. Chain 2 (Bitcoin): anchored in block 957782 (2026-07-13T00:52:48Z), 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/FXR052500036.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9995d5ddbf2732f90d64efd78c543c44a1557a09dfeca248d63d94a847e29976. 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/FXR052500038.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f5b88d6af069ae94835b93e27815cd76a74c9f87e27ae18d8d2039f02244224. 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/FXR052500039.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6afe9e16f3da05cb977d0bad209139698e12adb182583689e0317c530f5db575. 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/FXR052500040.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef44b8151e9e5198068fc064d9e353e11c6f1abf7634109cd46a897f64c72592. 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/FXR052500041.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6376c5a1cba9f7f667a3b9c8069eb760e51270455dd6f94cea41721265f2a6e. Chain 2 (Bitcoin): anchored in block 957782 (2026-07-13T00:52:48Z), 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/FXR052500042.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a9bca8c2edb609c5f527d310c62cc42132492844f7ae86e53fe5dcfbbd95a50. 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/FXR052500043.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdffe01fa5fe35c990e274308267ce7e9cb69013c509c75912e6031b1de4e58a5. 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/FXR052500044.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9728ce22bed7aea8a8d445bc3bee1997d0c5139b978911dabf43cb44251d74da. 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/FXR052500045.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb338f3f588707766f9a306a10e87b40535f4b4d461c4b81c3e7e29f8fcf6cca4. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), 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/FXR052500046.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76c26e836ec3e91886526581abf0fe2096e9d37d9537152966e09227fa566ddb. 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/FXR052500047.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d5f4580ded7378df27199f4042deb7c087ed9762e09e13eb4374d26d9f4fd79. 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/FXR052500048.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb9e9c049ad35a8d496ff6a4c77df8fe3a81477fb834a18da9c21984bbe785245. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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/FXR052500049.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb53a5d745cd83a76f28a709b5d73034af2d895effccdc2be69fda9138cdf0e69. Chain 2 (Bitcoin): anchored in block 958340 (2026-07-17T00:53:26Z), 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/FXR052500050.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x636170c5cff97485803c71214ae1b844fe92286064807bfce1cd22a618e08223. Chain 2 (Bitcoin): anchored in block 959159 (2026-07-22T17:48:40Z), 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/FXR052500051.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe40a71b0a9675c0118988eff0d13a08cf2f1da2545395cefe0e97293116801f5. 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/FXR052500053.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7895c6f5c8c32880be34ad120ac1ea23a86a777f997eb1764a84094ce85964f7. Chain 2 (Bitcoin): anchored in block 958596 (2026-07-18T18:42:38Z), 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/FXR052500054.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44cb0c4391f79954166b3be8f5867356c30cc76bef561d615bdba906a59ab273. Chain 2 (Bitcoin): anchored in block 958607 (2026-07-18T21:01:11Z), 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/FXR052500055.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4cb51ee9e12754a6f253c4ae5eb933b4161e5282c14efb1ea221da38c761eed. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/FXR052500058.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x426815e8b237f1e9001e3808692549e1d85e3bd53ab65e1f7baf7c0a09fbb98b. 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/FXR052500060.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1600a208f4e76e0fc91ada98fad30d006df03a9b073da4c83bd1ae4d47c57979. Chain 2 (Bitcoin): anchored in block 958596 (2026-07-18T18:42:38Z), 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/FXR052500063.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcae386a6c11c040f9ec28662c292d8441871e0f60c79253f10021a841a695ad6. Chain 2 (Bitcoin): anchored in block 959128 (2026-07-22T12:33:25Z), 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/FXR052500078.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51a03bdf3129c06d292db109c4ef81920da4c31db90382804cd6d0745998977e. Chain 2 (Bitcoin): anchored in block 958650 (2026-07-19T03:36:41Z), 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/FXR052500082.