La Cava may refer to: Legends Florinda la Cava, a figure of Spanish legend People Alessandro La Cava (born 2000), Italian lyricist, composer and record producer Francesco La Cava (1876–1958),
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 0x859a9ee0f585f11a55f12acc6428ba96e15c37f2e1931c615333e15da0cb118e. 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/335c6f57-eae5-4f45-a05c-fdc07ae21979.json and https://artists.proofprofile.net/proofs/artist/335c6f57-eae5-4f45-a05c-fdc07ae21979.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 0x8f6706c0507fdb3fda9c085e3657b6c607d20698e202b9ec617129f94c74b02d. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/ES5351303848.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3bb00f3d7a0b536d8cdc5ee21f5aa9ffb352f3614f3e3eda854dc1fca4f628c6. Chain 2 (Bitcoin): anchored in block 957642 (2026-07-12T02:46:48Z), 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/ES5351303849.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2ca66460de8cfb8a1a0fd91b829d1cf0e9b700326f39d3bf9911b8726e8dc95. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/ES5351303852.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad476916e9581b1256fa06193856c11780808e221d0d5073bc7bbb16b34bacac. 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/ES5351303853.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e31e8ad7947d99dd3389bcf74d2ea0cb350f18a1b347c2a93cad002398beedd. Chain 2 (Bitcoin): anchored in block 958742 (2026-07-19T14:09:34Z), 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/ES5351303854.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x016cc9a4ce4d1f9e727565a6744ed42793f8bd9e63b48190f29097935abc32e0. Chain 2 (Bitcoin): anchored in block 957650 (2026-07-12T04:18:57Z), 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/ES5351303855.
Paloma del Porvenir. Coronación Canónica. Hermandad de la Paz de Sevilla
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa873cf2be7c396c3e76be23246757046a7276c93eca108085f759179ea59dced. Chain 2 (Bitcoin): anchored in block 959054 (2026-07-21T20:19:31Z), 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/ES18B1600845.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x107ad29991209483e7e44d934a93287ca26731a9d2e6ba28fe1f191dd53a065a. 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/ES18B1600847.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x885ec9286880fceffccc1937ff443e24862af6f2e73911dc0de0f471fd8ac618. Chain 2 (Bitcoin): anchored in block 958251 (2026-07-16T06:29:25Z), 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/ES18B1600848.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe150351c29780c799fafde920b758bd40a24d87944e70d9f5d65bf258b3ccffd. Chain 2 (Bitcoin): anchored in block 959094 (2026-07-22T03:33:16Z), 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/ES18B1600849.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ff4357a8cbb3899a7e492ebba414c3e5c8b881e9c1a9afb2e1a4933c015e5cc. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T13:14:32Z), 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/ES18B1600852.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d0092918659dbca1ab96417339e08c44dfe841a81ce36171bd6ad428a203e76. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/ES18B1600853.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd692ccc46d309086894aa04fe09abdf85048c9ba789a2cf7c54a64b49805f50f. Chain 2 (Bitcoin): anchored in block 958060 (2026-07-14T20:39:42Z), 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/ES18B1901019.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x671dcb7710b7a71755c1ac60cba326f1e8539e1e1a64121de00f5a2d9d1728ef. Chain 2 (Bitcoin): anchored in block 958697 (2026-07-19T07:58:24Z), 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/ES18B1901021.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53e4e0a53ca796fb3f91d1a0bbd30184f18cc147cf884b0faef8ba4a457660d6. Chain 2 (Bitcoin): anchored in block 958971 (2026-07-21T05:04:56Z), 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/ES18B1901023.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbe3c20b38b75ffeae56ba2bf6f98d9e161619ec78d55ecc864addc8d042add7. Chain 2 (Bitcoin): anchored in block 958342 (2026-07-17T01:09:53Z), 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/ES18B1901024.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b5f30c6d9bad6d5ceb784bbb9dc3beca1e1f08670d497ed333bb0c3a6c0223f. Chain 2 (Bitcoin): anchored in block 958689 (2026-07-19T07:11:11Z), 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/ES18B1901025.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76a289a34009c0ae852af13832b658155a0a570d5777c9e07feea7f31576bb6c. Chain 2 (Bitcoin): anchored in block 958805 (2026-07-20T02:22:58Z), 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/ES18B1901028.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0ec4ec37629a427c6fe558930226152141de4e9e605ce1f6f55652b9c12c51d. Chain 2 (Bitcoin): anchored in block 958969 (2026-07-21T04:58:13Z), 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/ES18B1901030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9aba7c5aed133b67392d048e44748ba8b181d2f9c5524d2147592498888b8cbd. 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/ES18B1901032.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e1b8df9d04435345b4ab0d4a68c997d0ef5a12ece9abcd6f0868b67201da145. Chain 2 (Bitcoin): anchored in block 959100 (2026-07-22T05:29:55Z), 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/ES18B1901040.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x764f2c440c8a5fc9e8c994dcd9de8c5ca69965462fc36fa6caa70c84e3635373. Chain 2 (Bitcoin): anchored in block 958060 (2026-07-14T20:39:42Z), 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/ES18B1901044.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x817281208f158ece5dac880bd68c50e032e76de168c707c3e80b4c78db5bc132. 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/ES18B1901046.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36bffb8afdd63c5f16f7be016dc410a850970554fbb864986b134f21d866a928. 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/ES18B1901050.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x569d40436b36cae0db1f5febffa668ab7d8752c92f5afca41054cf7208b07d2a. 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/ES18B1901055.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x897895ca046ebb2608904b3ff57c2bad2d8f4e84cda1074ab5e83af2187169ae. Chain 2 (Bitcoin): anchored in block 959054 (2026-07-21T20:19:31Z), 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/ES18B1901058.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2af725c9ec2315061598f3f061bec9bfa9f10a8d8ab0b78a42da16241105e3a. Chain 2 (Bitcoin): anchored in block 958256 (2026-07-16T07:22:18Z), 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/ES18B2005761.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6bbe899f175f0d270ee22ef46cd5c0cf3bbaacce674bb59ecf4f42ac1ea8ea66. 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/ES18B2005762.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1091de574bdbbabe5dbbaa710de9d66a790c977957441b6697902e571561434f. Chain 2 (Bitcoin): anchored in block 958340 (2026-07-17T00:53:26Z), 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/ES18B2005764.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf37e1d084cf3a063e84992f4e253e7d73414d2a24bda9200f356ce79746f9b0. Chain 2 (Bitcoin): anchored in block 959052 (2026-07-21T19:50:27Z), 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/GX3Q92551297.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4602ab8b756778dc81ea8dc11e331cf936edafedb2228479dd8625f6a68fbdb4. Chain 2 (Bitcoin): anchored in block 959118 (2026-07-22T10:01:58Z), 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/GX53U2555990.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5750f38c611a4d0da9b3d8024039d55f36eb3a4be8f37e840dd9fa46687019be. 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/ES65A0800642.