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 0x1f96e32c8163a4b4f6589181afceb2f53571be07adb0c4fd102d64e3f582c768. 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/0b96979c-fa78-488f-a54d-e991671e7474.json and https://artists.proofprofile.net/proofs/artist/0b96979c-fa78-488f-a54d-e991671e7474.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 0x6ddfb5f5c83b27614e5d672ba251f442098d7d830ed8a0d9e0b7ccaccbbf9bae. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/CA6D22100714.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa530b714c52215bba4922e4d565169060a648986b37aa9eff2aa60d4634e73b8. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/CAF5R2100017.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa863d5f30d5ae3939d7142c3f59732c41e7d0b4248b8bc43c93842f6d601c5e2. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/CAF5R2000057.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1f52d0ba8087088c0d63af80bfb573e81c0577de0d363262f51244dbcf0aecf. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/CAF5R1900125.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e2f03881756af47a96859bf236b823e19021fd52f39d2f719692a5c80ae211c. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/CAF5R2000037.
Empire (feat. Flowdan) - Dr. Fresch Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc68d6d43513cd1433e7b90fd6f632e098a1f957f7ef4b224b4301a244e2c426. 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/CAF5R2000143.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8c4ff24cb8538938da9d6506d827ab65a00604541eb0cca94f7d032bb741479. 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/CAF5R2100093.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x862c90d3647d3e09167ec0f37a2883dcc7dd886f771dbd67b4db3b83be4c9d5d. 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/GBKPL1668569.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f66d2d7c80c6ccfe1901abe574207d4db4b5a51f884277649c5abf714c5451d. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/DEEQ71403901.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f1322b43f126948813869efb5549252d649272b90853e67a9b6bdad38a1c597. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/DEEQ71403902.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x397660363971fe7efeabcd7b26fc97eac0355d9fc9b7438e4ae32833f605f416. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/DEEQ71403903.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6782a3821a28fbee8bbed135149f151d902ae17349159aa737b11f6e44c4aac6. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/DEEQ71403904.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f95bd5cee5567efb0ce3ed083db1df61ed79283d22ba86ad34e30703d591660. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/DEEQ71403909.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f4dc28441835287de9f8ce4278efbc1211046613ada7b616b50aa9a06f60877. 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/DEEQ71403910.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdeaff2e4f8abce84d177aeb9bef508d1d12ef530f9e898cb264ee6668b0e436f. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/DEEQ71403914.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf48f1b34cbf09f55427ade5f70320ee4c7f20f284919588e443d4072d9383749. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/DEEQ71403915.
Yeah That's Right (feat. Mystro & Malenda)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x673d1758a4b21ce8d0a4ebc77950c3c38334becad036915574fc87f0d19b90b9. 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/DENO31200030.
The Night Is Mine (feat. Vanessa Iraci & BadKat)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a2f886cf18f0587c665cb94f8dba2833d4332acc0687699a7cf8b27fa495f16. 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/DENO31200031.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfbe23587ce58baa9030229a4c263c17ca95e81a320b8e5bdd38d08c17792c7fe. 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/DENO32500066.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08b2d10a3ee5f38ff7a00867c40d4bdbd45a979d82ae2e3a7da94693588906d7. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/DENO32400064.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xebaa34aa270717f7c9503a7a1f0a5a902205e84c2c837cef010aae602aed59f9. 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/DENO32400062.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c61f97a865131131cad8aaa874f0b373be6e461508cca649df3069e4d9e6c63. Chain 2 (Bitcoin): anchored in block 959107 (2026-07-22T07:19:23Z), 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/GBRGV2321061.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73ba09f1a5cdec47da6b697ff65aae127d10723e7583d321f0386eb03145b47d. 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/DENO32300060.
Breathe feat. Cosby (CMC & Silenta Remix)
Do This For You feat. Chali 2na - Original Mix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x991dbe6caa4ba4d2fee349b01eb738e6abe1553e0335e745c73150e6751049f4. 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/CA5KR1052763.
Do This For You feat. Chali 2na - The Funk Hunters VIP Club Mix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61f6966904bd61c33f6a32af718817fc1c4ba15d06764b3caf06709869da6d5d. 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/CA5KR1052764.
Feature Breaks, Vol. 4: Cmc & Silenta Remixed 2
Feature Breaks, Vol. 3: The Night Is Mine (feat. BadKat)
Feature Breaks, Vol. 3: The Night Is Mine
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a2ff32744c4e0496e3396f09f0a02e21aa4f988351c35fdc7693c5c4d205d65. 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/DEH901200768.
Ready to Go feat. Dynamite MC (Wick-It the Instigator Remix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x816fea3ed56a3bb2def326ceb550f1622fc9219a87f484cc248da6d685ed9c92. 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/CAF5R1900043.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0a8aebfd080e9e929d4bcba4bfbe001f6b9715f732fc859a0bfac53b5e1ce79. 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/US8DZ1500077.
Lime Sorbet, Vol. 3 (Selected by Quincy Jointz)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4287ae60c6d31d6289da62122f018976a5df4225656bdafd50144a808215395c. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/USA2P1311085.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0636d250d220d8c51fe48b60afc7e80541a5091a7623c63f6f5ff61f8aff547f. 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/CA5KR1527004.