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 0x3c0bb82c30081545f8f04daaafa6ffbbeefea493e1c265c69c41b1429c1b6258. 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/a709f29c-1f91-4fb9-a658-255107e81e42.json and https://artists.proofprofile.net/proofs/artist/a709f29c-1f91-4fb9-a658-255107e81e42.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 0xf6ce406b8d88c7d0c04d65a558d4585e400a779d3a95dd0ef160710ec509293c. 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/NLF712001955.
Only Now (feat. Tyler Graves) - MitiS Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x434acc2427516fdf348e28e0dadc1a0d9c2c315fb31e1acb02305426f679873b. 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/GBEWA1906650.
Senseless (feat. Tyler Graves) - Nurko Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4f3eacc6d10a5e1c3fdf56cb86d4cd69e717f2d78c9807127bb74aa37d8639c. 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/GBEWA1906651.
Only Now (feat. Tyler Graves) - Outwild Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d07a556bce2f669d8a7bbb63749d7f2490c299a77e2c5586a7f57596c958853. 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/GBEWA1906655.
Senseless (feat. Tyler Graves) - Arpyem Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x763ea034cd972b9059df1c0edd715d76d4383357b77137b5ecf365413a3980b1. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), 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/GBEWA1906656.
Only Now (feat. Tyler Graves) - Mazare Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9874b6c47b6d66f11f96a5cd48516d1f1f9b9c7cc50d1f4d9a79f04bf9a8913d. 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/GBEWA1906654.
Only Now (feat. Tyler Graves) - Synymata Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf1010ead69dc951224346c7da181d0ae19fe904956e32f73a6324456e138236. 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/GBEWA1906659.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25cd51f890627bc67fe4ee8d8800e951cc1999cec100e2610b6609bc9e9a30f4. 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/CA5KR2367226.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe325b3b440232974d01af9a1f572086cad069a48dde8bc7bac745144089c9f82. 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/GBEWA2103770.
Hear My Call (feat. Tyler Graves) - Extended Mix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd97602a7864f6be942f11071a02d051d4a97f3e1cbcb28bffbaebf3afb83b2a3. Chain 2 (Bitcoin): anchored in block 960111 (2026-07-29T13:21:01Z), 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/GBEWA2103771.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4dc460d61a5e3c57bcfc0ee6ae661c49e2ca315ba373837826c83f00e57ed1d8. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/NLF712003045.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3525bae5750ba9d3a11b7fcb2bce7d1b9f20454787eaf134a031a441ebfedd12. Chain 2 (Bitcoin): anchored in block 960203 (2026-07-30T03:35:13Z), 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/NLF712003046.
A State Of Trance Year Mix 2019 (Mixed by Armin van Buuren)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8dc8d15a3f42a018ecf21c3d04d6ffc8e65ad6a75762672398063dd5509f5d5. 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/NLF711912901.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5a655d09ec13ca2d606213fc4caa3d0f7f8f637f4db9cdfff2dd031a70206e8. Chain 2 (Bitcoin): anchored in block 960198 (2026-07-30T02:21:55Z), 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/NLF711905391.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a780b048d6fba723b80c2aa3efddbaf073dc3d9f5e1783ea77e28745aab3272. 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/CA5KR2296674.