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 0x0c5ba697c524aeaceba0f3d2a1d9f34cb3f1460b7b7838246819de2a2b8fbaa7. Chain 2 (Bitcoin): anchored in block 953648 (2026-06-14T15:20:52Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/47137a8a-adaa-4b0c-9253-c8eef9a38145.json and https://artists.proofprofile.net/proofs/artist/47137a8a-adaa-4b0c-9253-c8eef9a38145.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 0x54f8387bf66598a7f7ccee80a22819e83cf4c31f3da42c47884e5faaffad21ad. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/QZHNB2240874.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b89de9490a58d4952729f1b5a36221a6fa40d0af16d28463545ae79663d58a1. Chain 2 (Bitcoin): anchored in block 958349 (2026-07-17T02:28:59Z), 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/QZHNB2240875.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe426fb39733731040e2be73d6896eb68a98be54a95e2fadf61898392f9555e0. Chain 2 (Bitcoin): anchored in block 958407 (2026-07-17T12:08:48Z), 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/QZHNB2240879.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9354325bb69cc11723f4ff460b5e59c83bdac22300abefdfe2936f162d7b147c. Chain 2 (Bitcoin): anchored in block 958075 (2026-07-14T22:55:31Z), 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/QZHNB2240880.
the song where you go to the grocery store
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf6fe359ab11c90e095e1dea9a2fdda6a595a3d08295224f7acebf4d322fe3f7. 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/QZHNB2240881.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75c4e6deeb1604662693a033851da002b223bf3bd132501047092113ebe35171. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/QZHNB2240884.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc97169946f15ced5f548a92dc4aaa01befc81c3c76b93e9775b8520bf00cba0a. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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/QZHNB2240886.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c143447de2fac52feb4c217f7c967d0c66eb34c99c75e4ee8f7c4f46806a2c8. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/QZHNB2240887.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee1012f57af9f44f5a28ad6ea37f3c190bc323fd2f6db9db6a27587cc7ee8d2c. Chain 2 (Bitcoin): anchored in block 958830 (2026-07-20T05:30:12Z), 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/QZK6N2386216.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf1b87ccd0f501303545c90a2c16d7e9c6485279d66e26cf61866ceb70dd9733. Chain 2 (Bitcoin): anchored in block 959087 (2026-07-22T02:05:55Z), 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/QZK6N2386220.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x995bee1ccc88a0023e40411d2a5120d888f4e4bac3f6ccda4c3181f7c70076b1. Chain 2 (Bitcoin): anchored in block 958142 (2026-07-15T10:09:30Z), 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/QZK6N2386221.
Detective Beebo (Original Video Game Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x021b750f8bb37cae39484c9c4a8a35cba643f66c57472701c6cf04be0a3ec9a1. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/QZZ7Q2483823.
Song That Plays When You Ask A Guy If He's Into Men
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x967de60e7a5b53cfda94ccbb4b44c9e18480a8f16fc6af9ddf19575d48af71a6. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/QZZ7Q2483825.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbbed7c2536e62c261373f7ed18c24b7bb66eb0ff7e984a8e37511c2cf7d81772. Chain 2 (Bitcoin): anchored in block 959084 (2026-07-22T00:50:00Z), 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/QZZ7Q2483826.
That's Him Officer That's The Criminal Who Stole My Heart
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54ba4be358a6bbcbb309a1db98a6b41e8a05ddbc534a190f1b801cbbbb7c83fb. 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/QZZ7Q2483827.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c55f546eec35a10db995a7442a0a9c350b9eedbef5e8985bf630897a79fadda. Chain 2 (Bitcoin): anchored in block 958942 (2026-07-21T00:24:07Z), 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/QZZ7Q2483828.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e18370e157d4ed1d4a18e8272e7baaa86cf62314ce16af514dfc4e3c8ebb321. Chain 2 (Bitcoin): anchored in block 958749 (2026-07-19T15:48:23Z), 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/QZZ7Q2483833.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45a446c6c4b1acaf3b7b907c7ff2fbab20e68e5a11d25b20884da753b74ce455. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/QZZ7Q2483835.