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 0xf30a55420728785af8c9ac501b31e9932c637a7089b8ecf32ad2af2b6a83cc4d. Chain 2 (Bitcoin): anchored in block 953687 (2026-06-14T20:19:15Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6a679f31-0eb0-408b-9ef8-0b131c70f29e.json and https://artists.proofprofile.net/proofs/artist/6a679f31-0eb0-408b-9ef8-0b131c70f29e.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 0x7d9f6962432de68d272f95de628dfc3d8c2215a7ead4cb4329569155e9e18e28. 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/GBEWA2100710.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb7a570d35bc046a4af2166b56c16fef0ccfa9801934c00cc226c741152705a9. 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/GBEWA2100711.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0bd7c46c71ba67b2f5290aa26f19e99f14608067f541e63c37cb89a317741a69. Chain 2 (Bitcoin): anchored in block 957867 (2026-07-13T14:55:20Z), 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/GBEWA2100712.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf48965eaf8766b97f63d875481429ee86f24633805c110d57886b9de4c5e2048. Chain 2 (Bitcoin): anchored in block 958696 (2026-07-19T07:45:31Z), 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/GBEWA2100713.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7120a2cff792cb7ed044cc8696c2b86f2f883c934a4e3b0d7126572886180203. Chain 2 (Bitcoin): anchored in block 958788 (2026-07-19T22:07:06Z), 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/GBLV62211423.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba0241e9e8be25543d639a23de13913cb0a2c8fc718372cba176fe0ea378cf35. Chain 2 (Bitcoin): anchored in block 956841 (2026-07-05T22:14:35Z), 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/GBLV62313724.
Digitally Enhanced Volume Eight, mixed by Farius & Ruben de Ronde
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e2319ba80ffc4fdbc9c4610208b1619e0e69cb5fc8320e9c4d6bd30355e6218. 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/GBKQU2396510.
Keep On Holding - Mike Saint-Jules Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3948f99d0eb830593ea15737388051237749403b1d6cd1617d1e5b16c9684c3. 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/GBEWA2100275.
Solarstone presents Pure Trance 7 Mixed By Kristina Sky, Solarstone & Lostly
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f9edd95471e9b7310a3ecdb071b1d93b3eb15fcf29f58d5011dd71d1fde9d46. 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/NLD681804001.
A State Of Trance - Future Favorite Best Of 2014
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe756c3b3cdfce35b5c40eda2af88dc3bb6d9ce636a6ebc56140239e56b6a63dc. 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/NLF711405610.
In Search of Sunrise 14 Mixed by Markus Schulz, Gabriel & Dresden and Andy Moor
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x238e520cc90dcb3d020129ae177fa9b2f3288d79fb360da8a2d345b35ba55a79. Chain 2 (Bitcoin): anchored in block 960259 (2026-07-30T12:51:24Z), 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/NLD681802373.
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 0x05502595bbd0bae4daf3b98eeca94ddf3895b8425810439e0c96c8901b9e4402. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/NLE711221704.
Gave U My Love (Tritonia 337) - Mike Saint-Jules Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47df1be680d45afd18dbb45ca8f1a4dfd585012fca13f5767223380236b7d26c. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), 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/GBKQU2133991.
A State of Trance 650 - New Horizons (Unmixed)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcab3e2713e7863491e90e46af45c9b90289f783bf98b2b6c931b27971a380d8a. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), 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/NLF711400063.