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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17a597ec27fcbd6b2500d0545f17ad0fcf476a52b1c01c5a5eb717de2906ddfe. 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/1a808fc1-5bfe-4f3f-9604-2b48fe68b460.json and https://artists.proofprofile.net/proofs/artist/1a808fc1-5bfe-4f3f-9604-2b48fe68b460.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Truth Can't Lie (Owen Norton Vip) [feat. Nathan Brumley]
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd4ddea262f36a0898c804eda940fee9d5ddcaca007d7a562652b36445a1461e. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/USA2P1957431.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14bbc10bfaffe3f9a88391ac431e7d0aa240e3b01c39fce67149b873f365ad0c. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T12:08:03Z), 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/QMFME2073611.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58cd34d9051472a726bb896560bb48fa79fd1e8655d3d386f61f9c2274dd93e2. Chain 2 (Bitcoin): anchored in block 958126 (2026-07-15T11:04:34Z), 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/QMDA72164379.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb9722c7e5700b4298193110658abcdc8349aaed14e71c67f229391261d8dda35. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/QMBZ92472515.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe88a609a650fa14926f85665f168f80842138e009261ad3307aeeb8f07de89d3. 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/USQX91800329.
Takeaway (feat. Lennon Stella) - Owen Norton Remix
Takeaway (feat. Lennon Stella) [Remixes]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4275a3a900ae0940bc5d259bba50c1af64235cf09f53c64aa7266b240a4d7ef8. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/USQX91902331.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82109c2ae69cce5f18003e73d863e7e1eb614ce19775a2e9d76cf73faf706339. 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/USUM71801879.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a8d0788bffbeec1261e61b8fc215da8a0463b2968c1cc42b75843a73b7ddb88. 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/USUG11901466.
Is It Just Me? (feat. JP Cooper) - Owen Norton Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d8742c3c8de510c94d0a643f171e5f8fe73f64a26a011122b250b2cbecbc705. 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/GBUM72101520.
What It Feels Like (feat. YOU) - Owen Norton Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1210e9fb5b6bb85b678fc99e12b36b0c359108a110b8f991ab7ac1db9c382b02. 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/GBUM72203811.
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