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 0x998b1469b61df6969764e92772619e1830c4c9d93fd6a4d6cf7df72068390538. 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/11e5e919-eaa2-487e-8997-9245566883da.json and https://artists.proofprofile.net/proofs/artist/11e5e919-eaa2-487e-8997-9245566883da.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Isaka (feat. LeeMckrazy, Scotts Maphuma & Stady K)
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 0xef40b01e49284a42a9ceaf15cf69f99bf0b75fb9b804a5fa175e473f9df8b6ca. 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/ZA41S2300248.
Khumbula (feat. Bittersoul, Tots SA & Mzala Wesive)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab50bb0ad8c21ebfaea38a5770f97149e1fb567ff067d8c37d0b5df776961a35. 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/ZA41S2304483.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff9826aeafa1db3147abed80de408a6c54e1508e7304ef15ae072e8df5abda91. 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/ZA41S2304484.
Ubambo Lwami (feat. Bittersoul & Mzala Wesive)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a012ba3534ad355abf816def17a795629fdc735179e0418dcbe5e3dc01d6dbf. 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/ZA41S2304485.
Ngyazifela (feat. Sasshia, Skinny Que & Dawg)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f62b3eb096110114be42d2d98522c80f8ce2fd2cf65c9f7ad1d991a91df0be9. 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/ZA41S2304486.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4ed89fe977fbb76c7cab1e40f1860c5d81a7855577b95fb243b76f3333248a4. 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/ZA41S2304487.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a5630b75e3809042d0565d10eba3b159825254c5e74b536ab1c7e06c3eae502. 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/ZA41S2304488.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4bdc7f121d34e83f3c37d1569b19ef899022ff716c193d5597729c5da2b75005. 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/ZA41S2304489.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb1a62295d567ea5db370d08112b6431eb11d4dde211d1097b5e4252fea45e61. 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/ZA41S2304490.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6fe3bef489d27243687b6e00b714190feb457abb372fd2ab678e7b8176b5a76a. 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/ZA41S2304491.
Amapholas (feat. Bittersoul, Dr Thulz & Kiddyondebeat)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a824f6e4325de8f2057aadc745ad128bcad21829da2969eab9c2c9c8c9e4a31. 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/ZA41S2304492.
The Whistle Man (feat. Dr Thulz, Bittersoul & Kiddyondebeat)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7eadb2c0005a9168634f0aa8bedc2b0579cb2791ec8633f6d3662b27a6ce550. 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/ZA41S2304495.
Ulala Kanjani (feat. LeeMckrazy & Skandisoul)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb02c2788f99a4125ea80e1e03eb9c666518f8bb311c96442fe81dd92c61f5ab. 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/ZA41S2304496.
Khumbul'Ekhaya (feat. Ben Da Prince & Sasshia)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85950d96562d38f7acc99bc0b4cb08ea4d2219ede938f10f5e345d34fd24bc2b. 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/ZA41S2304497.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4f93ccb40bf82850430ab2dcc6d582d5cb3a3e4eb7712d189b1cabfbe87a241. 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/ZA41S2304498.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1fa897c7b019fb584f59ce64f60d2fc57df97500308b3dfdd56a1f2551c92b0b. 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/ZATNM2300001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbba1b101ff5ae4f4f83e6fa9de6256b9ef703efe139b0be56ee95d389b6b1832. 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/QZTB92378670.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcacf3e030b2369c63097661cc278e1c85a1063eb0d91d69ec92e71eab998662a. 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/ZATNM2300002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd90ed790dc360102d117bb50f8a4c283493cc95a72c82ef8de203adf5fe69267. 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/QZWDD2383763.