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 0xe48e950fc2969fbbc7372589c167a93ac58cf57a5e40422f3f00de3f543fda42. 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/12e8b65c-6c8e-4dd7-b934-afb1e2541da6.json and https://artists.proofprofile.net/proofs/artist/12e8b65c-6c8e-4dd7-b934-afb1e2541da6.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 0x3595dc5089b646bec2a84e31b08a8c7ac99bc08b82b23f4ace39c67efd19235d. Chain 2 (Bitcoin): anchored in block 957872 (2026-07-13T15:39:45Z), 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/USWR60900596.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b78b3f8af96c9d502da8c486cab939e11cf3558f4805205f58730860a2eb347. Chain 2 (Bitcoin): anchored in block 957872 (2026-07-13T15:39:45Z), 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/USWR60900598.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fb8c4b8b6aa751c6eec8ac0af0790d7618fa90b08c1216be6b57a02480adca1. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/USWR60900600.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e475656a7f09bee88f269812665be7ee43b0092506249884997657767c20cb2. 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/USWR60900602.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea339fb40cc97b44a18e3ed86342d876a9b10f842658bac52f9f37eb16cf2a3c. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/USWR61100044.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x131f98fb8dd0a55ff04d85be4caca21d64e55b3c04ac0e30d1267d5bb98a08b0. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/USWR61300008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb93eb1f0685704abc8462bf72e3b2c3650a01567d47f1acc6520173e7a9d7a09. Chain 2 (Bitcoin): anchored in block 957872 (2026-07-13T15:39:45Z), 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/TCACW1792926.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x572fe527ca281bf4f897174d00da84a046ef45e03aa7c12a426c281bbfd74b3a. Chain 2 (Bitcoin): anchored in block 958415 (2026-07-17T12:50:13Z), 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/TCADI1741030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcca7b724bf1aa8a7e2896402d8b2259979315e1e18a0d651ff1561fda2e7986a. Chain 2 (Bitcoin): anchored in block 958622 (2026-07-18T22:58:55Z), 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/QM24S1827648.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa34d1f2504a6208ce92919fae79348173a4a27aae90d47d04e772fb44acf971a. 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/QM24S1836467.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6744382171ac0d5cdc89acc5a7c12bc701a304a5c417cc76a941ea646cfae2ba. Chain 2 (Bitcoin): anchored in block 958708 (2026-07-19T09:08:25Z), 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/GBWUL2027031.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37970f99177a513d0949b5ed59e59a8436d99e61f1584a0fef5d9abbaacdc981. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/GBWUL2051556.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb416f9f3fabe65f1cfc416123ddb69786a7fb9ece0081d7a390d63778dd9e4f. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/QZ5FN2088336.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc634010f27a0bdb15aadb9f51b46c03118524a298aaae4792c80b0dff509ddb. 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/QZ5FN2195613.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2457d45e3e396823e1dc4210034953f5d02246fb7a0cc42ec957f5b29099167. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/SEBGA1700444.
Glitterbox Radio Episode 007 (presented by Melvo Baptiste) [DJ Mix]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4acf79503eada7eff997e7e959782c35a30115430732ddf704d4ca8ab9478233. 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/GBCPZ2018759.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x251260d7da0443cf48a20c08c562283d7caf0df011331b1862a9f79436a95c63. 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/DEXW62300445.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x725ca44ec467e8a334a7eb34e0a65465aa51f9eed581a0cb567136ae3bbf5572. 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/QM24S1908116.
Praise & Arrows (Songs Inspired by the "Lion Of War" Book Series)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4dc9de34a69ab46447373c04ff5685a310a72f5949b3665852794e0d9f688d4. Chain 2 (Bitcoin): anchored in block 957084 (2026-07-07T20:41:57Z), 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/QM9YR1400005.
City Looks Different - Jordan Suckley Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae54008521acf950f57dc206c8d950fc2ab31b58dba823de92526550472b4588. 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/NLQ8D2300078.