Marlene Fernanda Cardoso Tavares (born 19 November 2002), known by her stage name Nenny, is a Portuguese singer-songwriter and rapper. Early life She was born in Vialonga, Portugal to Cape verdean
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 0x62bd16516b7354f584f4c2dd5ccc032f846e99337a3de04f7b0d41c1a4a4a81a. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e0c9adee-edf8-43d8-8001-96a9f6459607.json and https://artists.proofprofile.net/proofs/artist/e0c9adee-edf8-43d8-8001-96a9f6459607.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 0xfb1783ed330b7bb564b36c89f031569d8bfd08bb9523b13e74db9744b08251bb. 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/TCAEG1972488.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e89db01b9d6e103e7c404644121c0834e6040f9d0b687cec5dcfd4431e1d278. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/TCAEN1905509.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9e87eaa281708c0c29ec936e5de0bf9a1fa85eba72cbfa367d700e4b57c683b. Chain 2 (Bitcoin): anchored in block 957882 (2026-07-13T16:48:10Z), 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/ES71G2005189.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb37be348aac4a35fe0de1abb0cad7b90969dad0dadecdf5c2701975a025e19a1. Chain 2 (Bitcoin): anchored in block 957880 (2026-07-13T16:39:18Z), 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/ES71G2010487.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6eac0bb9179e5a30afa15670e0628bfc00f6e1dd2bbe2926c37f45889d1c32c3. 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/ES71G2010486.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbef74d65d8f142a24e0bb2904fbecfab9c42b87d6838c7c69c81fe28cbd16794. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T09:47:57Z), 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/TCAEN1905437.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xddbf74e6b7430cd5bf2d7e08e41a947e0895696a863a93ddf54be6fcd6be0636. Chain 2 (Bitcoin): anchored in block 958796 (2026-07-20T02:46:50Z), 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/ES71G2111242.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x795236c508b9da7b279c5c0572d3402dfdb070b813ee1cb0971135a68a86d45d. 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/ES71G2146141.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd650be2825502a36bc9d8430be9be271b000e54ced6d2ef6f7055242ea6e6f2. Chain 2 (Bitcoin): anchored in block 958728 (2026-07-19T12:24:55Z), 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/QZLBC2333311.
Leva-Me a Viajar - Associação Sara Carreira Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x119be498ba97cb49fb7450f2d7145bbdee1de8569f4c4023727e3e3efa9904e3. 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/PT6HD2100036.
Leva-Me a Viajar (Associação Sara Carreira Version)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x085f329f64b7d359c4e6a54a83ea2acdcb80951c8964359f60fdfbc5a34a0eec. 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/PTBM12500011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82cab3bf2824960d9262a24ff2fa8bd8f8e4b8995fe7f0f303edfe54e27e2850. 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/BXG6R2400963.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x085f329f64b7d359c4e6a54a83ea2acdcb80951c8964359f60fdfbc5a34a0eec. 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/PTBM12500011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82cab3bf2824960d9262a24ff2fa8bd8f8e4b8995fe7f0f303edfe54e27e2850. 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/BXG6R2400963.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdba38a0232a94f39da1b3260c5f461f8c654f3a41bf12e53608b1ed1789280fb. 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/PTUM72200158.