Luciana Souza (born 12 July 1966) is a Brazilian jazz singer and composer who also works in bossa nova, pop, classical and chamber music. She won a Grammy Award in 2007, and has been nominated for sev
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 0x464cbc6e1bcf3e9a50ecdb1774ec2b98fe175bf7eb8481e6470a99608c316137. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1d5be247-0e35-487c-adaf-922eadaec7dd.json and https://artists.proofprofile.net/proofs/artist/1d5be247-0e35-487c-adaf-922eadaec7dd.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Oceana: 2. First Wave and Rain Train Interlude
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 0x412fa65e8c2bcfe04106f82e988f023455acc24f66cd1a7cd02bbc72722ba01d. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/DEN960402122.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe84e1e958708ad00c57e546a17922e81d779fb9ad781196388154bdc35bea3cd. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/DEN960402123.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x119381d543e20f2fa0ace2ae2adf80a34573b04a6cd6754ec13f41890dbe5a29. 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/DEN960601621.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4467ca023a72f614b0ffd459019e4ede295e074a92b7005ff1ab909b85963fc. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/DEN960601622.
Three Songs For Soprano And Orchestra: 2. Lúa Descolorida
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f6424c937545e9242718f783cc7eb72a09689e014ae4dc5eb41413d27ae0865. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/DEN960500832.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4bdab11ad986456296e2e824133b50c28043e554bd5aa92d36243cbc898c555. Chain 2 (Bitcoin): anchored in block 960268 (2026-07-30T14:53:07Z), 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/DEN960402121.
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 0x4e5478b39f3ebc7c035534879088ca627805e6c8fb4a5e9f1ba5a15cc53228a2. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), 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/DEN960402124.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x293c4d9e78e6c8136076f59881b24943cab6b4f0099191705ed95f907c8c4e33. Chain 2 (Bitcoin): anchored in block 960276 (2026-07-30T16:01:17Z), 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/DEN960402125.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d78fc44baee1c99ea1192186897309ec510735845c1cb73fb99531267306cbc. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), 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/DEN960402126.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b1b2dabecf8169b34fee4a426b54919637afeb29a97b388947b8541e1b06c9c. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/NLGZ20901742.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf8c3e3f65d182a40bf8e59afbd13700ac6621bcd8445e51f31ead9fbb6193f7. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/NLGZ20901553.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16499e3abdcac0850af68a4629a02895651d1559934d593949a4badb6a725bec. 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/NLGZ20901551.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d60203450fe3b80d8e1534fd5750bf346336026a641cf0d4621098eca4083a1. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/NLGZ20901548.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86610a51f10f6ad889c927ba1eb1e464d66425797a0c502cca9c78788c64d86f. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/NLGZ20901552.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ede8b2417a8c59fc711fec74c082036a565418e515bf134b829b7141a54733a. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), 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/NLGZ20901744.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ed6e6378e82e0867b1dd671f8b4d4430fb0114b8ee7826df6b00754d102cd42. Chain 2 (Bitcoin): anchored in block 960376 (2026-07-31T09:09:19Z), 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/NLGZ20901549.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0708b7d8d4690bb28160cf774a672c9a8810f3bb7e1e4b06221cdf60faadff7e. Chain 2 (Bitcoin): anchored in block 960240 (2026-07-30T09:57:33Z), 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/NLGZ20901555.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66eed665d03799aa0750aa0fa2f9c7358cc9a34f025897e4141fd27c1d1eee4c. Chain 2 (Bitcoin): anchored in block 960503 (2026-08-01T03:41:24Z), 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/NLGZ20901557.