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 0x2dae90742af0cc1f970dadeea7f5605c9bf231e9830850e7e93d7032a7729620. 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/084cec42-1e58-4467-9610-b2fb7fe5373c.json and https://artists.proofprofile.net/proofs/artist/084cec42-1e58-4467-9610-b2fb7fe5373c.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 0x81a4a115cff78c162363c0b8889227e47d8a1db938a14ae44d7e893277ab86e3. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/BEDR12000001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ea9632a882ac197375520473322f5c83e84e708e4bacc3bbf3c49e857406bbc. 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/BEDR12000002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d29acead28e1fe97cd27893b0c3f0b2bea3683f22291f0639085469d086330e. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/BEDR12000003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd38b1d153839c7784065a8d728fa2bb6131066c97c49762597c586ad905799fc. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/BEDR12000004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0c41e0844600c4d2f8bc9d5ef5f0c761de75c2bce252a26abda37a9d9f192ae. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/BEDR12000005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x407aa68b7a9ffb0a9a6708756b943ec67e1845489d2d86354b2c5758c9beedac. 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/BEDR12000006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe17e904bfeecb8dc5f0a149620c8b3fa0b5a597f02a8219a9131aeb57785b81b. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/BEDR12000007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc855fae34b4a0da8676b6b6ce8f16c25e19ea0e197b732138235f9173fbadd37. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/BEDR12000008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08b898d26e3adb39e80fe9617137972b403f45ad2660cf0e82b2c4813757e260. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/BEDR12000009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc343235eed89a1fd731413aa1878b10e0b82712eb9a1f8f0a903144d0b1b6e92. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/BEDR12000010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0d5ffa8829d019e57961242741ecb094abf9c05d21ac41d5e782ef2c7ff3acd. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/BEDR12000011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b25bb32c8ca0a0ceb1936ac65c2f1a88ccc28be10135f758cffc75e8c0f9e44. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/BEDR11700001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x016dcf665deec6aed0dbdf90f7f76e501786c8c2651f140baa1435bd399f287a. 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/BEDR11700002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x516d78b9cbcf77969cb830ac5b502e743e16664310a9c0a4967890a7a3ca7f97. 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/BEDR11700003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa065d32cd57aab3ac66cef535819f2732347190a706ba12245e0ed6e88e3c4f3. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/BEDR11700007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66172b74861439b5fe3c1d4db56d8fc873ef7f0af69b087f57ecb218befbfadb. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/BEDR11700008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x508f98bb38a2ea50c1b274b197bf67cfb9ebcdc2b2bf18413517e83f5f238eb7. Chain 2 (Bitcoin): anchored in block 957052 (2026-07-07T14:50:41Z), 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/BEDR11700009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1af6e2d48ed6d9e5d27d34b3746dce7002be1af1b7aa77d3a3827b7ebb10754a. 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/BEDR11700010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05a8fe9806a6d0137c88fd47e9619f4bed369ff9d7abc3428c906e46f4bd9fb2. 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/BEDR11700011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0c41e0844600c4d2f8bc9d5ef5f0c761de75c2bce252a26abda37a9d9f192ae. 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/BEDR12000005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0261f6d4f532151698756c6b3a593eac9b9b2740afe15eb3b621f1aea88178ca. 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/BEDR11900003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ac82c514de2df7b5da027334fbd61a9e6c7add2a78d4482665b59ef705b151c. 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/BEDR11500001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x603696ceee91c87dff42154a1bd674cdfed3b7d7c8d73ceb7af8fb5cbb60d1e5. Chain 2 (Bitcoin): anchored in block 959144 (2026-07-22T15:38:35Z), 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/BEDR11600003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ac82c514de2df7b5da027334fbd61a9e6c7add2a78d4482665b59ef705b151c. 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/BEDR11500001.