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 0x8598ca0c4e925ecb412668c84f6a7b855e3ac73563e0a8de4d05c721097d1570. 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/a88b7ed9-2c9d-450e-a9ce-7999ea04e514.json and https://artists.proofprofile.net/proofs/artist/a88b7ed9-2c9d-450e-a9ce-7999ea04e514.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 0x606c4576ce6308c511918b6b052e3537b71cfe53e7055d98ce3f66e5ab946a6e. Chain 2 (Bitcoin): anchored in block 958355 (2026-07-17T03:11:50Z), 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/ZAM141300720.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb320f97ce31a93247cb59c431c9048dd26b24a5a191db9e84b00a2aeb5fb011. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/ZAE222200203.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6fef78eff2eb2bf90bbb9f795d5c3053da8ebf36e18ee46652ad7467834efc6d. 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/ZAE222200206.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa37bc9d57104a1219ba96a8211e94f1b378f15d1a0d6fbe5eacb7c5028409114. 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/ZAE222200208.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e51b0106a9996f0e3f2174d79f67229204553a5b156e878bc3d6d6a17c83c45. 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/ZAE222200211.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa43b9aeee196a4cd8fa6c12963a87f609404907782dd79f62613155f0a5421ca. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/ZAK281700063.
Makgorometsa (feat. Dr Moruti & Latoya Gould)
Malibongwe (feat. Phili Faya) [Radio Edit]
Malibongwe (feat. Phili Faya) [Main Mix]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23237f2d6408d5daa454c4d44979b8946e87917e4729e2a599bf4d378b82e429. 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/ZAZ1P2000003.
Makgorometša (feat. Dr Moruti and Latoya Gould)
Afrika My Home (Good Music) [feat. Movi M and Tina]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6072b051b6fdc63b03fb97196b473395ef02d5e284e1d41f33ac72d284f85864. 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/ZAZ1P2100007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a33cfa2e882ba064cdffc6c92ea800983566422cd45c3c501cecb5b04de2661. 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/ZAZ1P2100009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35e2919aa8141170c7e9107f96b5de7fb0e14fbc30f5d2c7990165d3bd9dda45. 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/ZAZ1P2100018.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x311ada59d77e3fee9a7dcfa55f5624859d2ee50bfa73b630af32675db6536b05. 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/ZAZ1P2100020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93e43f949e5b62670c91588edfe0d56e757beb2b5b5ca975f5156d087b228cf3. 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/ZAZ1P2100021.
Dankie Mpilo (feat. Mckenzie Matome and Nonstop) [Extended Mix]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc53e44ccb2d7702bd6b574dbefe3b257af4fed946e6e1001aaf6d6faec9dadc. 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/ZAZ1P2200006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22aac7e4c427d6134b0cb1443b0c24526e2cf01b19e44b868a75929ec9694403. Chain 2 (Bitcoin): anchored in block 958823 (2026-07-20T06:53:50Z), 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/ZAZ1P2200008.
Heart Don't Lie (feat. Roy Khavali and X)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47fe15dc2ab192f5b83a1e92209be75697afb5774854bb37eb686834cf78a1e1. 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/ZA56E2315053.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x373207dd828fbbcb6c3eed19a599da3c16091800ccbbfea03b8a4fb9436fd3f4. Chain 2 (Bitcoin): anchored in block 958517 (2026-07-18T07:54:29Z), 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/ZA56E2415909.
Xonga (feat. 9umba, Dj Buckz) - Extended Mix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef9805814160b5e8c1d83bca20068ba34c6fa1c4b7a5050eae7900b15c291448. Chain 2 (Bitcoin): anchored in block 959002 (2026-07-21T14:02:56Z), 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/ZA56E2415910.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2eada5876abdc9aa379fc3699a22945f74d5d062e746a3a780f370886132edc5. Chain 2 (Bitcoin): anchored in block 958110 (2026-07-15T06:57:12Z), 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/ZA56E2529422.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2737417abfbd9fb0e1e46e969d5cbf7f300953580e3feed18db14013b30e2cf. Chain 2 (Bitcoin): anchored in block 957075 (2026-07-21T16:36:21Z), 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/QMUY41800184.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x890fc2b8ed1d786095a3ec8b190b9739d7f01def21e20f12a74e40e61a18f1a6. Chain 2 (Bitcoin): anchored in block 960095 (2026-07-29T11:07:37Z), 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/ZA10C2000039.
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
Soul Candi Presents : For the DJ's, Best of 2013
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d25e09d67b93738c2c4035a551b5cff50f71232bfb326a8de48cc6af74e5960. Chain 2 (Bitcoin): anchored in block 960321 (2026-07-30T22:27:30Z), 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/ZA61A1304639.