Taju Akay (21 January 1962 – 19 May 2006), known professionally as Tee Jay, was a Ghanaian-born British boxer. After fighting for Ghana at the 1984 Olympic Games he turned professional and went on to
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 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 0x32f1c9536f4579a81f8090b337c1328fd6352e0fd04dbcea994d8f8c771a5a15. 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/ce9e789a-99ec-4e21-99c6-c51b3eddf78c.json and https://artists.proofprofile.net/proofs/artist/ce9e789a-99ec-4e21-99c6-c51b3eddf78c.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 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 0xa39b4794f4d2011b2bb9e8b69e718842991ff68996ac3c2f6a7e5659e8ec92dc. 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/ZBO732200034.
1 000 000 Amapiano Seconds (Kings Of The Surface)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce673f47e51e49fd5480875ec1a9d3a23af9b2d4454fe8697835e38ded9f26a1. 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/ZAE3A2100056.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89e0d628b009f0021f26bbade3dd30e868613a0d9039ca7d83f42f47d54143d6. 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/ZAE3A2100057.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf85f8b7bdf93687f8998c310e8562a8de76cb452e5e725afe856a693216e8751. 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/ZAE3A2100058.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbe7a805f32e17f1ba7e24660c7c282ace17cceb66f954dba4eb37db74cc82e6. 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/ZAE3A2100061.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeebd03fda5816b8fa27aef947329956df0edebbc77d894cd2e88a05a622f72c8. 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/ZAE3A2100063.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ce4d796a680255fc87550920c714c8e0c0db7dd69b5c210ecf4fa67dd5c1985. 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/ZAE3A2100065.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e7d2a81bb02809872857cbb86e5e0236c49f663c8a9c7fc9996a3d69c3d8332. 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/ZAE3A2100066.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6bedf5857e7f2e20099cd6ad0d2069fc58cb5a85eadbded9592a2c2cc7649b1d. 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/ZAE3A2100067.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4c638a5631a9efb52da63f0a2deb38cd851f85587a7f8418637b1ed922cbe9c. 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/ZAE3A2100001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb594928fcc915498696fa8da601323cf43958e9b1faccdd6c8b84c239285cd15. 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/ZAE3A2100068.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5feb5f05193d8f9681d6ef6a1ca5a597753b87fc9b26cb1b547cb59b7936199c. 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/ZAQJX2100032.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1bce4c3d426edc8232e16aec0dd46e9a81962ca2c610314633bb4c909320ceaf. 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/USUYG1557241.
Ibhanoyi (feat. Seemah & Exclusive Drumz)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78bf525b8d78e96590c4f383aa90dccfff0ac28e7b7e74cdbd21130c37883b39. 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/USUYG1549012.
Ubusuku Ba Izolo (feat. Lucia Dottie, Ntando Yamahlubi, Emoji SA)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd0d86a3949a0b6c109486ec0851e27da9452fcee5cc38fe9fab9abed317aff0. 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/ZA56E2415770.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc69fcbb98a7d60e41b8dbf47a4b13823d771a44b999a93185299e5cabf8c4fe3. 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/USUYG1539842.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeacba2d64407581f5b406ce258305aa9c0dc95e2d9811a846deb7ece517443a7. 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/ZA56E2415696.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x043647ae1374199ac0bb36337788a5849ff80553b558214fa8e707e336aba8b9. 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/ZBO732300155.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbcf9fef91c179e721242bcf3c0c4040922f8b126ed303a979b147adcbfeea847. 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/ZAOSD2300012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d63d360f6b4ad2fb44caad484194192de3bf631b6f6b419c6120d22a80f1ca2. 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/ZBO732300100.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0abdaa2aa755326502c40049145e0a9949e7e8a6787828834a8013c70fec249c. 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/ZBO732300101.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ff9021f004f26097e4f5bfadd59e0cc5230a03199c984a6869a0abe42aa005b. 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/ZAHOG2200024.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7804733fe8116fd318c3c75981f4e0c852b41edf0a353688d7cf7b5c938ca44. 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/ZA8MJ2205001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7746a3dc2351772dc8044820f5026e2a74e86120080e7307dcf0adf75597a311. 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/ZAE3A2200001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83bdc3597769d505a7fdc928c785ac8e39075bcb3c81211a712e951d5b124fbb. 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/ZAE3A2100035.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ee923cd30918d8f80e4b792c27aaa29253540270e258db3034af3b28574b96d. 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/ZAE3A2100023.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4c638a5631a9efb52da63f0a2deb38cd851f85587a7f8418637b1ed922cbe9c. 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/ZAE3A2100001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee71efcf33ac4d12b01c4663b783f5dfff1c53bad75b8d51b61e78f10d243d4f. 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/ZAE3A2100002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe63d8364d78f9e0a41859c9a31866b2449d18b83771c5341a1984ee77ff889d7. 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/ZAQJX2100004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c4a88fd706a3b3b6ec2b63edcc41c556f2a121d2ba44badb278f698e6c2d9e4. 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/ZAQJX2100005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9a5f8e47027a72b4ba0617ae384f49a5f300fef666e49f07309280b898a90a7. 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/USUYG1572566.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32c3cacc94ca2cc90eb841832b390c4c5d5ebb13a9400b0bbd53c80913455d58. 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/USUYG1572567.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23cf312cec3e485913237a1d6ea0f74217d1f48ee5e9e0e3b4dfd3c55c94b966. 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/USUYG1572641.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9a5f8e47027a72b4ba0617ae384f49a5f300fef666e49f07309280b898a90a7. 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/USUYG1572566.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd320f5207e464c6dcaab2521f453c9cf4b835c7c87c1f922a1284df7276a3988. 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/QZTBC2429829.
Tsela (feat. Dalom Kids, Zintle Kwaaiman, Seemah & Cici)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x026e0f51098cb22e032338d3e085d19e5315634046f4c93dd12bcaf50575a972. 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/USUYG1567724.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2aad1e1b98d56f1b2e11bdf985767546c629a25562335d235a4cd67099b50ef9. 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/ZAC012401023.
Umvelinqangi (feat. Ntando Yamahlubi & Msongi)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x648063ca744ef9f04ff98fcfb6e3e69508c9d7f6f3c4cecd653fc73bb509e5ad. 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/USUYG1569038.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb0eaa7eb3272d6180de5e018ff3a4a19d85f96c9ce4bf737e4c95b0d083313a. 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/TCAIQ2433401.