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 0x56ccf1a56f0088741449243a509b605fba432008a34c1931a7c96ca3ad0963f4. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b78755c3-aeab-4444-ae8a-337a4e5f2714.json and https://artists.proofprofile.net/proofs/artist/b78755c3-aeab-4444-ae8a-337a4e5f2714.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Canzoni di Malavita, Vol.3 Pergrazianonricevuta
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 0x74d6e9dbc56c007930916c619f069516262fd9f7e18397ec8f96360385798767. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/FR6V82391702.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf126c3bf36a9f195577afcd198d398f38876c61bd806eb811ad03f9defba157e. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/FR6V82391703.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0e4932a4ac3b3b657b276037081bcb2d6b26d115c3a20566b9e1a41711a0a04. 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/FR6V82391705.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd850e5a5ace8007f33a0917b8f436c2728c4e381cfd9cd0bacb0dce647464a6a. 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/FR6V82711499.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e49494aa9ad9524fc6ea2360d245ac5d0077385a049ed03b3ffc84417730753. 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/ITL941900005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeeca3fd9631d147cabe22dc4f460e88eaa2898d7deee5f2a9e7ab070187de2db. 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/TCADE1731375.
Cazz boh (feat. Beppe Dettori, Ilaria Porceddu, Joe Perrino, Francesco Piu, Nicola Di Banari)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd850e5a5ace8007f33a0917b8f436c2728c4e381cfd9cd0bacb0dce647464a6a. 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/FR6V82711499.
POLVERE (Original Motion Picture Soundtrack)