Oltre (Italian: "beyond") may refer to: :it:Oltre (Croazia), former Italian name of Preko, island and commune on the coast of Croatia Oltre (:es:Fiat Oltre), an Italian concept car by Fiat unveiled
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 0xbc3c47afb78cc485930cf392307990b020e03f046996c93f3d2599f34d681008. 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/cc9ef285-a3f9-4d89-b5dd-40c500a4fda6.json and https://artists.proofprofile.net/proofs/artist/cc9ef285-a3f9-4d89-b5dd-40c500a4fda6.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 0x90eea4e8c8f6787fe256a31b6bc85e9690ee14da36d70cfa1c7968ed1b744a01. Chain 2 (Bitcoin): anchored in block 958087 (2026-07-15T02:56:49Z), 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/QT3F42447459.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86aa72378e49472670e234f1f20801a75fe9ea9c2fdb3977e2e8bfc982fc9ccb. Chain 2 (Bitcoin): anchored in block 958115 (2026-07-15T07:27:09Z), 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/QT3F42402336.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4baac2486a6c884b12534f6d3df05f331ec4b379af1e0d3abca8c86bddf2b73. Chain 2 (Bitcoin): anchored in block 958461 (2026-07-17T23:18:11Z), 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/QZFZ22595077.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4baac2486a6c884b12534f6d3df05f331ec4b379af1e0d3abca8c86bddf2b73. 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/QZFZ22595077.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d6b8c071913d150037229709f0199e20ebcdedfb576e909ed0fcb71392e0311. 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/QZDA82526990.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9aff539c5015b3ee2178131f4e1a4921b2d94b7e2cc9d5d54267bb2e55f2e6c1. 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/QZDA82526991.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c989c048fc329f9c85391b6ce9c1fdf55015bf89cc8bbb03e07fade7bf4c895. 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/QZDA82526992.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeeb02bfc32f8096e764d61614a451ead95d8095808ca6f6b5f54d540ce3ffaee. Chain 2 (Bitcoin): anchored in block 958363 (2026-07-17T04:34:46Z), 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/QZDA82526993.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x053a652915f254e34d6191bf64959a489646a79f1914a8801358a60628e9f79c. 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/QZDA82526994.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7f6165b960d0ccfb5c77edf70ed012cfc3f411df105edb1f7a60b2650e8fedf. Chain 2 (Bitcoin): anchored in block 958959 (2026-07-21T03:51:22Z), 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/QZDA82526995.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4109b8b2af31d110d1514f14bb30f55ebfac6557393f8daecdb7982be7ff8d89. Chain 2 (Bitcoin): anchored in block 958329 (2026-07-16T21:48:38Z), 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/QZDA82526996.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b3234f7fabc8fc056681671f84d367f2476b5cb076ed2dc1b6efdd656cc5546. 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/QZDA82526997.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7009b02deed7ff9f712a5feb57d7a5161d8f264adb8b4e0e9142ad649f902ecf. 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/QZDA82526998.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f9bad9c526dc05751dbcf6ab59b78e79ca87d1648ad21121dbe56061fddbbbb. Chain 2 (Bitcoin): anchored in block 959013 (2026-07-21T13:39:11Z), 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/QZDA82526999.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb542b8eff32a8cb30295ee320e147369c66531a6715f6547d22cb82db5bddcd9. 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/QZFZ22596875.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbaa995ddafdeb962e468c15dae40709a10da9c2fcaedc27e3ccbfa79dcfc58e7. 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/QZFZ22596879.