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 0x8340943a62ec0a7f5bf47f9330e5b9d1319128945a773b6e415e8adb524fa9ef. 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/35032544-2de4-4db5-8e37-1b8d98d8ab5e.json and https://artists.proofprofile.net/proofs/artist/35032544-2de4-4db5-8e37-1b8d98d8ab5e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Ride the Cyclone: The Musical (World Premiere Cast Recording)
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 0x901e2009bb1615a4c79b525ba552ac99a09003b9ae2cf4db514bc0788ece7097. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/USSK32042556.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6638417b9b48bcd4c6c320e5ba057dd12951057ee0614663ad298feb6c6bbee. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/USSK32042557.
The Ride the Cyclone World Premiere Cast Recording Ensemble
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x585bca9f09535738ec5269fe5ad45acd84e0fabf490b717aeafdc08993a98b4f. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/USSK32042558.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a005128e580e19c333644f9d9833ff71e28bef83403c64d274e4c1812dc4f96. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/USSK32042559.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4722e54b426f28be729040f6cfcc83cbe8a5d7e833b94c36e97a0faa29f2bfd6. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/USSK32042560.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b0264bcb79eb1ca1c1a4491f802c556b10f427059629abd4af9e1a8555beab1. 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/USSK32042561.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc981f62fd67f1aed8a4ce541b04819b4044962a16765cdc39436ca9046f3011. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/USSK32042562.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x260a99b92fcea241e716a3f600c4e1a139fa8fde0119146ab523d0c70c526fad. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/USSK32042563.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x933ca9a9a9f74cb761f6fdf7e23cf203ee72dca102160f60781d90da601dc4e1. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/USSK32042564.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x510781e97a912b24887ac0684bd467b7b50807bcf5a33d9794754645b9d36ae6. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/USSK32042565.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x195148ca252208818ec7499ddb2e57ae7f423662dcc8d7f692e836d6a7874698. Chain 2 (Bitcoin): anchored in block 960337 (2026-07-31T02:51:48Z), 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/USSK32042566.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7184885e344eea5a0fbb8791f26c89c7071a72d1cf09440ede1f9b00c5a7050. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/USSK32042567.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34a0f417260905eb1fa71f22c3ba1a0d8717b0bab94a623de83c6c5e32e9ddb9. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/USSK32042568.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x655c3e2a9d4b9ada4d35a9780ed798e81f4a24355e0bdf4c3e66c70c8c12261b. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/USSK32042569.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7e075d70645738ac64764e69b0a9910b2488a71f7529c7d7961b5b6fb100f05. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/USSK32042570.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b6c6522cd6d2f94ca28a7450bc315c6074649fa8f4397555907bf4c66c7aeb9. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/USSK32042571.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf189481f4744c22ab899efa6dd0ad13fb2aca8fc10916bd6bd0c14018a165351. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/USSK32042572.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc76abf096903787f51c25740ec3d190348afd78a27198e962aefcc0db846c177. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/USSK32042573.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1a6d9383bdf62dea1507f1fd1dbd7573c99f393a014e1ec431e5774eafb00e3. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/USSK32042575.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e315d9df9f127ebead84502b6fa446d071140a999f0394b7b2b9aa2ce4bd023. 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/USSK32042576.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ff2e114d4a19ace46dc83c9a7a3f4769bf0fb17895320d750d9cf445c7aadf2. 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/USSK32042577.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ba21fac95624f835b705ca53c16cd8de0922544c8679114039df43d2cc4467d. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/USSK32042578.