Alves is a surname that appears to originate both from Portugal and Scotland (in Scotland where a variation of the name can appear as Alvis). It is debatable whether the surname appeared first in one
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 0x689069eb510d8f397145f029d741a21e1594c312633a52e664bc97bfae180fce. Chain 2 (Bitcoin): anchored in block 953681 (2026-06-14T19:31:23Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/64d6868f-9f9d-4187-9705-3f078c878a4b.json and https://artists.proofprofile.net/proofs/artist/64d6868f-9f9d-4187-9705-3f078c878a4b.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 0x5dde4ded44b118ca56297ea01bec55abc0fbf3167ae85c502ddb669a443088ee. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/BRRGE2200885.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e9cad3db909974586a633026733b25e13747aeae5eafa25ea4086bf02d17f89. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/BRRGE2200876.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9499f2e5a85961dafa860c662cb7a16b85f468614e3c7b1ef2ba1e9bbedf875. Chain 2 (Bitcoin): anchored in block 958873 (2026-07-20T11:48:10Z), 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/BRRGE2200868.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e9cad3db909974586a633026733b25e13747aeae5eafa25ea4086bf02d17f89. Chain 2 (Bitcoin): anchored in block 958373 (2026-07-17T06:09:33Z), 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/BRRGE2200876.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5dde4ded44b118ca56297ea01bec55abc0fbf3167ae85c502ddb669a443088ee. 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/BRRGE2200885.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xffd9afdf7b56081d15cbe45b2331b5496a78f04231dd9ec9bf58748c4d121ffa. 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/INAE32500643.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1079f332f4f51a89d2877a86d4d02208cf81907d5305127289cb6eb206c4c365. Chain 2 (Bitcoin): anchored in block 958907 (2026-07-20T16:17:58Z), 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/INAE32500644.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf28f7cc84386ceee43a6fd0be4a2dd5eb86cd1baa139675a0721b8d49306f7d0. 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/INAE32501996.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63f2b304008fc01a930ff935705b90c2103b1f03aba260d6c771481670de53de. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/INAE32502288.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54a0a6ed20e0ded0c295450040136c9267ace4c17d7a681eaded1a01f0ed1244. Chain 2 (Bitcoin): anchored in block 960500 (2026-08-01T03:13:03Z), 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/US7VG2016021.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd418b627ad7e373a8977a54c60f4f4037bee1d4e1fb6546c5e0f9379d1af6ad0. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/US7VG2065570.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c7b40c025b67c0afe84a78166a6e2c3a9c2d42c9e8b3b3643aa11e6fba13b19. 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/US7VG2065572.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35979945d45d26d9cd09617984d9c7bb7b6958ad7c1d975c49e4caa3de66bf5c. 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/US7VG2065573.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29e0eb2dcb47c02b7cd45ff08e1c2bd4724e1d424ffbf1f3a323558ccab85cd2. 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/QZHZ42258226.