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 0xe631d981d33836e1cb908f3d2c6368192059c40a2e9a4c072d44386c051b7718. Chain 2 (Bitcoin): anchored in block 954705 (2026-06-21T13:42:37Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ec8f6119-0bc4-4d4f-a318-c9e136c52e58.json and https://artists.proofprofile.net/proofs/artist/ec8f6119-0bc4-4d4f-a318-c9e136c52e58.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 0x1a1189a766e194e3cadf66307171e9d4ee0224538eb2b8d359021a3b3c68fa50. 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/ITG272300315.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e5d0abacb3f858d75a1b6661709a4adfd4813d01d227c27e1c4ccadcaca05e7. 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/ITG272300316.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1794c31828163c91b2af4bc461d20dcfc60d29898c9c3e093cddd28d279d8098. 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/ITG272300317.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d3c377a17bb9c936ec35505343baba8b078c403e174993c20ff9073c6edd10f. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/ITG272300318.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x459814136f1cd6b2c6aa826673fa8224bfd93c1f5b6be3ad45851b9f0d6be9dd. 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/ITG272300319.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69cd0c732fb11cf8ce5a6b4891921a594308029c48749f0c8a0f359a8f66db3e. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/ITG272300320.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x318df768b6fef6204bbd1d329fcaa980df04148a2ad7ac8869175fbd02393632. Chain 2 (Bitcoin): anchored in block 957075 (2026-07-07T18:50:38Z), 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/ITG272300322.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x575b04ff216e563943ffbebf2f2694477ff67b24fc0c24988559ad5becd1d55b. 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/ITG272300323.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13e6367acd4715edaca8ad1be40e1dad934203739fc263ce04551d9238a0cb78. 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/ITG272300324.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdec6d165f07ece83ee041b7c9aa304d7bdba257acbc7ef9fa55ae0a4a931d72b. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/ITG272300325.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x459814136f1cd6b2c6aa826673fa8224bfd93c1f5b6be3ad45851b9f0d6be9dd. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/ITG272300319.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8658bcce9adfba5fe181618534de2750c4baedf8f289d50bc2af2ae5e55cf819. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/ITG272300391.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a534a56451599fa135602749d970fc48ab44b2f8d2b4104f59acc3d158d914a. Chain 2 (Bitcoin): anchored in block 957246 (2026-07-09T01:49:50Z), 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/ITG272300397.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x699243382c95f7f2ee4c64e4b2282332b84b74155cb90149e6238af0c0890b5c. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/ITG272300401.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04e2bf7f9111afb1df15dc0509c1fa04e4dd751d2ddfa4a56984983c86252ed6. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/ITG272100451.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x873c4054089ef361ab75a883565cc595cdb3936b335e71565a7154d32ffd33c4. 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/ITG272101035.
Steel Bars - A Rock Tribute To Michael Bolton
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ec8869552131c118de2ce06be7d38633002fbadfc490f1a3b794191e502aad2. 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/ITG272300745.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d5dc424dc257c8d9ad1d472dfa3a045e4838aa907329a5170bcab38618df9b9. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/ITG272300750.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x873c4054089ef361ab75a883565cc595cdb3936b335e71565a7154d32ffd33c4. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/ITG272101035.