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 0x86958a46b817944f15e6a231950a7e287de9f1296fc544656ae41db690fb4721. Chain 2 (Bitcoin): anchored in block 953709 (2026-06-14T23:31:11Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7e057281-2a09-488c-80b0-cf54319da2ad.json and https://artists.proofprofile.net/proofs/artist/7e057281-2a09-488c-80b0-cf54319da2ad.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 0xfb99f88bc7957fc7b253a4ed874a18dacedb6a9bb6335d3a6739b4db869919f1. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/USA2B2100148.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb99f88bc7957fc7b253a4ed874a18dacedb6a9bb6335d3a6739b4db869919f1. 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/USA2B2100148.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a48a69ff1b81c3f6fbf92869ac914ef1f08b6fe5592233fe701a674b1290406. Chain 2 (Bitcoin): anchored in block 958428 (2026-07-17T15:15:14Z), 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/GB6TW2100142.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb556e57374423fbc2863875e7f6654381599fa54feaaa2c225d18230563779c. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/QMFMF2202703.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8374f711a666b49df59bf24633affec075bdd446bf577205ce11c72040ac7b4. Chain 2 (Bitcoin): anchored in block 958980 (2026-07-21T07:04:12Z), 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/QM4TW2397219.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb556e57374423fbc2863875e7f6654381599fa54feaaa2c225d18230563779c. 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/QMFMF2202703.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x831cad1d14d829ce7533f76194bc9bc1d9cfab4f095139cd5a38094de4d215b6. 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/NL8RL2330303.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8374f711a666b49df59bf24633affec075bdd446bf577205ce11c72040ac7b4. Chain 2 (Bitcoin): anchored in block 960276 (2026-07-30T16:01:17Z), 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/QM4TW2397219.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6f426ee754ebbc9060e69209c63947ea195a1e4ea828edf98101029a1ed8d34. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-07T16:07:00Z), 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/NL8RL2333518.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43a1afa6dfc492e88f9721dc24b69b9fff27fdc98c1eb86d0888c7c42365bfa9. 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/NL8RL2333519.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x716f6fe2f62eaa65bf01d288ab31113239ebed25fc25630fc3451bbac790310e. Chain 2 (Bitcoin): anchored in block 958867 (2026-07-20T11:08:30Z), 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/GBCKC2500044.
Feels Like Heaven - Utah Saints Extended Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa20ca8221c7f6653e2a2d34ef916cd2f04363d6d4bec4f232cdd807b1ed8402e. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/GBCKC2500071.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x716f6fe2f62eaa65bf01d288ab31113239ebed25fc25630fc3451bbac790310e. Chain 2 (Bitcoin): anchored in block 959132 (2026-07-22T13:20:46Z), 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/GBCKC2500044.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71b6062d3137b2cb704394ca09fd65569cb4e5a359da14c602778c2d4986c6f9. 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/GBCKC2500048.
MAXINE (FEAT. BLAZER BOCCLE) (GOLD13 VLURE REMIX)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3639bc6ec02cc5b40372264930e3b4b1bf85721635627c1a9ce85a5d5c5d8e4c. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/UKYT62300196.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f7317dd285717172d71e3f0aec0888270bccc0bc3f6ca6d64725464bdcab515. 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/GBCKC2300115.