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 0xa200db20003589d47e8d90736f558be6d693dea4f05d9535529ef1ff8d4e0ee5. 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/856eef64-f7d1-4d01-a4aa-f5f0f0eda80c.json and https://artists.proofprofile.net/proofs/artist/856eef64-f7d1-4d01-a4aa-f5f0f0eda80c.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 0xb217d575486cf20fb727b2703f18ef412ad58357331d3b2ccde241a7b47c87a9. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/QZP7F2142863.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a7208f234bba58396b9e3051865edb5e2792e1fdabaea8b9d25b2db4e1440f1. Chain 2 (Bitcoin): anchored in block 957759 (2026-07-12T21:46:51Z), 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/NLF712204605.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb08401dd858ac52fb8218842a5254caf5da920d27df27040ccb86f84276fb95d. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T10:20:17Z), 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/ATEK02277571.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x645c22abef807c9a2a128585eb61880729adc398d91bb8253803e3d491ce4c17. Chain 2 (Bitcoin): anchored in block 958368 (2026-07-17T05:03:25Z), 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/QZWDD2255865.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6daabe3fd4dd958287afad3379730ad28ffe1428f9f18f92432aa6e48d953a6. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/GBKQU2325187.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e98657400c13c16e997a1da4d3a77225de946cf921c96090767f03bcc66be89. Chain 2 (Bitcoin): anchored in block 958357 (2026-07-17T03:33:42Z), 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/NLF712303123.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcdf5e7f59b93f96c45d985a378436fb353985f7597730effe2bf85860d1e688f. 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/QZTRX2327049.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c16dc9f4c3a26d8385edfa5e192cd23451420934d15aa20c2af2a508d9e466b. Chain 2 (Bitcoin): anchored in block 958357 (2026-07-17T03:33:42Z), 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/SEXJW2303801.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd8e48d280faab289d3e2c2293c47b848738aeb23ce67997c58ceffe2c17853d. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), 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/DEPI82318688.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f55eaac9ab3204fcbc13ad1f64808055dd6885cff48839964edf10abc1adc9a. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-17T02:02:34Z), 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/FR2X42442097.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcafc941758dfb7776f248d80fddae5da198e531796312dbba3a48d46a101ed46. Chain 2 (Bitcoin): anchored in block 958951 (2026-07-21T04:42:23Z), 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/QZPEW2456136.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c7678cad3b42dea71e0c62db9800068b8b846353a1b413f542ede11bca82ebd. Chain 2 (Bitcoin): anchored in block 958705 (2026-07-19T08:43:25Z), 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/GBLV62416439.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5fedb7a6c0a6c9729c18afd45f93028b396db48cc9a250422c3dd868fdc3fdd2. 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/GBRKQ2501960.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1016fca7f504781af28c257aa417fd87518db7b0fe496c41a6f95625dba0d39. 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/FR96X2561513.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09328716b421b4a1cf2ab16de21a2388999834fffa1e766c0e28b188c23cb4ba. 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/DGA0H2417802.
Out of My Mind - Mark Roma Extended Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1120d1ae73faaa14c5118750e4dcdc45557718f701be74ce2e0971f4bdfd6f63. 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/NL1ZN2201750.
Heaven (feat. Azahriah) - Mark Roma Remix
Heaven (feat. Azahriah) [Mark Roma Remix]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa0af50b47eaa70cecfc678d8d6b3489d594d5d485408d339db1a5d73ee46725. 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/PLA552300983.
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 0x86c7532881c5af0c26158935c5dd66b609f7f2ed230a99f2c29e2bcc4852610a. Chain 2 (Bitcoin): anchored in block 960236 (2026-07-30T09:37:10Z), 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/NL1ZN2201749.