Cinderella Sanyu (born 28 August 1985) known professionally as Cindy or Cindy Sanyu is a Ugandan musician. She was one of the original members of Blu*3, along with Lilian Mbabazi and Jackie Chandiru.
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 0x852b87c21914cb6811b1c8275293997e00f18f14e13de86c2b348325491809ee. 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/a3918e97-62cd-45d1-b764-58e3ef02bb48.json and https://artists.proofprofile.net/proofs/artist/a3918e97-62cd-45d1-b764-58e3ef02bb48.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 0xdd914baaf87f7950f290e4fd63083a75984445dab456c091fd2be2277d5d39fe. Chain 2 (Bitcoin): anchored in block 958965 (2026-07-21T04:29:05Z), 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/QZDA62029322.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeccda0b4369246322e25bbfd70b8f78bc4c5557d83adfe911b0edea2b367ca1b. 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/GBLFP2038962.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x716b72aaba644b34a47d5eeda101595cbd56599a4399486d2c20fb530f1baccc. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/QZXLZ2314418.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb678a577d8cff32e30e1e3ffb46cd284bc6d8e71bddb0d4fac62a1897aaf53ac. 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/QZXLZ2314426.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5fe8ec7370095baba089bf43a3316503f291f475f5fcd5a0c8832a7d03bdde3b. Chain 2 (Bitcoin): anchored in block 958558 (2026-07-18T13:44:16Z), 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/QZXLZ2314436.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3ce514f1af1bf8500e80d3faabcf3ab495aff6183d84b7ad133e9283eb97c79. Chain 2 (Bitcoin): anchored in block 958917 (2026-07-20T17:53:56Z), 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/QZXLZ2314443.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe838902c2cc5aad0974e4ec745d3fab5d901659d1c74902d403c40e6647d0a83. 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/QZXLZ2314449.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7fd3ab8c85aeb2e8f982e384c4f0a453914abed2466f3fd028917b4564bca9c. Chain 2 (Bitcoin): anchored in block 958913 (2026-07-20T16:58:47Z), 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/QZXLZ2314454.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65fe78a03fa8114ce17c6eeda9ff91cf757eae180b3085bb46fa5f70b72c8d48. Chain 2 (Bitcoin): anchored in block 956711 (2026-07-04T22:48:52Z), 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/QZXLZ2314455.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3aad45dce1b16f6bf26af0c8859926004b0a7fe642ccf7422fd3f268d13656a1. Chain 2 (Bitcoin): anchored in block 958526 (2026-07-18T09:09:53Z), 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/QZXLZ2312893.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1d0de106031054d6dd031e6dac4a835877655da122cc00e7a7acfc9e163e97a. Chain 2 (Bitcoin): anchored in block 958079 (2026-07-15T00:21:05Z), 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/QZXLZ2314366.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43759fe2060d436aa57fcb6db4ff0e4b32d21bfbf1b2cc5f1f259e053b8652d2. Chain 2 (Bitcoin): anchored in block 957750 (2026-07-12T20:39:38Z), 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/ESA012482014.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5e57b7ca09e7d032ac0524daacc23311887127c93ddd16aaa1d1443fa5f8b14. 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/ESA122515688.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x874f0bb4e9a1af68611f62898ff0ccb2e23da6504ca9d8e6a062f21a3b9f7baf. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/ESA122507895.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x670760205d10f1de2decab4b79bfe700096e9756df99e962f234539320ca9f3f. Chain 2 (Bitcoin): anchored in block 960106 (2026-07-29T12:41:21Z), 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/ZA56E1901133.