Roza Terenzi is the alias of Katie Campbell, an Australian DJ and music producer. Originally from Perth, she moved to Melbourne in 2017 and released her debut album as Roza Terenzi in January 2020.
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 0x90cb5e9081f41d1da42eb6ba7a529428da7ac698496c78baefae0bc3175dd235. 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/f5ebc0dc-1cc0-42d7-b856-7a9d1621a3bc.json and https://artists.proofprofile.net/proofs/artist/f5ebc0dc-1cc0-42d7-b856-7a9d1621a3bc.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 0xb2f8cbd8372faf979145bfa1df72440e6705d14d320f8ec6b597405e33a42e48. 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/NL4UC2100019.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce211802a52f7cea89213a1432a4a43755f85c8e5678fe0bc8434017d8b57bcd. 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/NL4UC2100020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfbe900a5d860c9a83d889af17c019f681a76d3ef4d402a9c9e1cc4c4e9236a4d. 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/NL4UC2100021.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc828a51f2975b310504841d2c5e278d80e14eac6bf606ce453618dfd24707fa7. 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/NL4UC2100022.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x394e1c5e3fc94779ba56b874a2cbfac1198ee873c71f59ed9be8db97e840db6e. 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/NL4UC2100023.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7d74845e92053b8ef596c4d1d2d4a885bbb81c360e84d291927359aff5e114e. 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/NL4UC2100026.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1bb59394ed6dad3440fe8b263fa2d8f0a4f1f1368be101f6bc987d2bc00af046. 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/NL4UC2100027.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d3528ea74449e65141af763ca255c4faab8216ca07cff1efb677931c76b7b02. 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/NL4TN2000001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51004b439d0f32c8256db106aee322d4c7971f324afb6ae05f51c18d23f92719. 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/NL4TN2000002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe454a70a1de80e41f136fb6b829f72342e7fa1282f7d7c561a9cc9e444fb8d8e. 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/NL4TN2000003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5541f70bd44c104ffc98b5797aaf46241568202c655d68e90a55adf7e6e1c54. 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/NL4TN2000004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa23b6dd7936352bd96e8c6341dc32583bf615dea951d71848115cae805e00db8. 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/NL4TN2000005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe432539e3126e7a78e86ea8ce62cb08ae149821c88678d922ae9939e275f11e3. 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/USLZJ2031815.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe721c676cda3a3768c13abe0f3ccd001e6f13b05a1d3419ea4114c42a054cca7. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/USLZJ2031816.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ba8e4a9c8bd66a3caf84600cfeff226853dbabac82e94ad08549030bd32d09a. 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/GBWUL1952210.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b96d2ff746239d039201a2df367fb0a9fa460ab0ed84dfeaacff22e586a6313. 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/USLZJ2031818.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdac43f333cd31d74e47f4acf07382cef129223b1a2fa825b4cf74ca98d6c7c71. 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/USLZJ2031820.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d5dc7f9c90efb315e455b823569098a7d0ca82cc31146649c72f490da98280a. 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/NLZ8C2300279.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42802ec56b6f9dad6716171a4291a2076fa2a1a4d79d4656ce900d32960077b6. 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/NLZ8C2300280.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e3db86c48b58188f3ad7ed7843161090d50cfdf25910a3bb7842679704c423e. 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/NLZ8C2300281.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd791905bc18a36eb30ba607cccc87061c201cd8709f4556dc173f4c6ce1e6d53. 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/UKWGH2200001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x803d42c2909aa5cc3d6e52a72b07b0db8cda3d593ae1cd0c0effd6bb7737c3eb. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), 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/UKWGH2200002.
International Waters - Roza Terenzi Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93184c70469e7269bbb56aae3b1116e48c6e076c27935291b34f9ed28b02c424. 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/UKWGH2200004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45fa89a6793abcf142268e4698e1bd389cc52fc0d2c7349f0a35db5d7fde8628. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/NL4TN2000015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x866d9389cf1a110aaa9ddba84d4ee7c842c2962dc1eaacd48fbd8761104e725a. 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/NL4TN2000017.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55ca2d0ab78acdbfedb40764d5d4bb66a2174758ad8f9f6b4c05c5661e453fdb. 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/NL4TN2000006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6514ba3df22437cc62134791421f7c3aac25caf009368440b8bd9251048df490. 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/NL4TN2000007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31cfa609e4a11fd99e90c781cca4acf648a102ca29aa73b870f787bd329ecb70. 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/NL4TN2000008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2516b88707981ff410b3b88addd469d9619f8bf5c562492d97e2189a23cefa2b. 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/NL4TN2000010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf80dc9a78d6dd8d74723138b0d9c757501dc88dfa58c8b3b35f6a62fd50557a9. 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/NLL561908600.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x901479db57739f4671190b6540c6b82bd972c874a7384df98051d394f172b703. 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/USLZJ1957567.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23af49c0a0eb047ea97c9ce663e244c2551c1aede3df3e65cc11c7be09ab510a. 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/NL1MT1900001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b7175f6545acacbb4db80616d71b68af1c4ddcdcdf97380cf18686170c5aa6e. Chain 2 (Bitcoin): anchored in block 959100 (2026-07-22T07:03:59Z), 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/USYBL2300644.