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 0xfe11c4e4ef33b2d13a5071080a285072de72db04547b78dc934285785eacea4c. 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/e469668e-c76c-422b-947e-adb609576f1d.json and https://artists.proofprofile.net/proofs/artist/e469668e-c76c-422b-947e-adb609576f1d.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 0x6ebbdf98f32d637aae1be343a8f59aed0c49e4d8df0dcd49551e3afbace58a77. 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/TCAEA1981475.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x031de5dbeaf88639329553fd6daf3299bfd6bf58ee4e6ee4fa72f62e3dea4f0b. Chain 2 (Bitcoin): anchored in block 958202 (2026-07-16T00:04:38Z), 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/TCAEA1981480.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18fbf0a130930cd9abe4b0edcfa6485e6a856a3f9335237afe74ac8c64c8aab4. Chain 2 (Bitcoin): anchored in block 957846 (2026-07-13T10:25:43Z), 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/TCAEA1981483.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa02446442dca2f9f8b88b7b40fdeb454c981015da90b0e4b42778b3715300582. 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/TCAEA1981486.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4dd888b85d0bc3e5efedb27375b29dda1e581399c58a4766540d18ddf70e9be5. Chain 2 (Bitcoin): anchored in block 959073 (2026-07-21T23:25:37Z), 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/TCAEA1981488.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04bb0dcf3fb719f49cc94ca8154bfa0e43ef2a9aa306cefc4f99aeb4958fce9b. Chain 2 (Bitcoin): anchored in block 959015 (2026-07-21T16:43:33Z), 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/TCAEA1981490.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd59da519a37785c3d0fb3adbf893372aa2068b4de125d695510c18df9696019. Chain 2 (Bitcoin): anchored in block 958913 (2026-07-20T19:48:45Z), 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/TCAEA1981493.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b19b5a7e2fdc1ce90bfd22327ae92967692ffdfdc124b383755ad85829402e8. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/TCAEA1981504.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13dd83732b67b0ef6e55c07080150c39a3787773364ebd5080bbccb60ba583e8. Chain 2 (Bitcoin): anchored in block 959076 (2026-07-21T23:41:40Z), 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/TCAEA1981505.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1eb7b067df2a8547a6f9dbc2ff333ce454416e75594f52cae861c8b6b923af8. Chain 2 (Bitcoin): anchored in block 958935 (2026-07-20T22:08:19Z), 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/TCAEA1981508.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46a42287464c157501a1e5f73a2fb482972487e0563183cae32060c345a8b007. 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/TCAEA1981514.
Ashen: Nightstorm Isle (Original Soundtrack) - EP
Flintlock: The Siege of Dawn (Original Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1ec8c7cc2b8977ecec2207e0a310202266b3a5cb2679eb84b516261840e5cbd. 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/TCAGC2296665.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37f1d78e696fb07c3c834fbbc83a7ed90d73a57f08406fb3b091da6f5618d376. 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/TCAGC2296653.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96d0c2b5cac75f5354a0c1712239ecf349471b749d16800f902aa4f5ebe3cbfb. Chain 2 (Bitcoin): anchored in block 957067 (2026-07-21T22:49:01Z), 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/TCAGC2296661.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b0ba1e3da3e07c714b95418c9788cdd2e0505c9a089909f38ac4276aee8578c. 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/TCAGC2296672.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabbb7f15a96ad98a98ce16b7d21f43fdf269139b54e9303da6746117491366f4. 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/TCAGC2296668.
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