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 0xe7a081f1a9fa6b87ae3d382edd01d1505ccefbeed5bd7673038c23cb21ec0105. 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/fea7beda-5c7e-4bc8-86b5-9142efa91a8d.json and https://artists.proofprofile.net/proofs/artist/fea7beda-5c7e-4bc8-86b5-9142efa91a8d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Love Like We Used To (feat. Nateur) [Party Pupils Remix]
Love Like We Used To (feat. Nateur) - Party Pupils Remix
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 0x75b16a347931c8cca95569203509dd18c50ee216a1367468b70aec272fd32641. 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/USSM11700074.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91245ab20def0e117ea815e42a236cae4d4e4d18791a56be810cda44f45c47f9. 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/USAT22003153.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf28d546b7b30793d663bbaa65f8aac541ecd2d698e81fb72735f7d96fe61dab. 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/AUUM71800172.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfeee4ee524fcc233ab5db3d40177860ae9941d7d36221aa1e00d83e99d5e8102. 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/USQX91802606.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc1b718715900dc6937b09c94d9d87cbd7b7bd7ae6e5e1a25805287785c4948a. 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/ZZOPM2002733.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75e8c6d4b3c439c7196468d4c1d8183ea6177d3fb7a1942445d4138dbf17bfd6. Chain 2 (Bitcoin): anchored in block 960207 (2026-07-30T04:47:22Z), 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/DK4YA1700808.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda5364f13934c1171e50a33a1257a82d9afcb32ec186e33d8af69f3f06ede2d3. 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/USAT21812371.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0fc145f6e5b84f939d1c807b6b7340c49f6d1bcbaf69ed9db7fc7b8b9c22c10. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/USUG11700858.
Best Friend (feat. Doja Cat) - Party Pupils Remix
Best Friend (feat. Doja Cat) [Remix EP] [Extended Edition]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x467e24328d1de590a093a568d784bc59832558af5781f625d774795b7c4b418f. 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/USWB12100854.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24ed078edbd7fde29c638673ef53269d26ae1c1b2003bf13eb5477e9e9a856a1. 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/SEUM72000685.
If You Change Your Mind (Party Pupils Remix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1cae13529590f13ce5b6ed4dacc56a4377ad2e9e5cd87c790406d5afc5f049b2. 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/US3DF2108568.
Love Me For The Weekend (with Ashe) - Kue Remix
Love Me For The Weekend (with Ashe) [Kue Remix]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaabc4f7d9d4a6bbf5165f420c2a342e52c57cbcc81fad5b65d4f516ef8a14bbf. 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/USDM31804802.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5be47139a2842e311dcdd746abe2d86d169f708804b410bdfd9e2943149c942. 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/USDM31805702.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x279ac93eb7d598162fd9eaff3d7c77910ce5bd30b5d69247fdde9cfeb3c45ff3. 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/CA5KR2183917.