1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0xa73f2c850c6f6d95aba7f849de6a885705a392be3978fc23607f800072cc9cef. 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/417ae70d-f038-409d-8e8e-7c31e7d1e7d2.json and https://artists.proofprofile.net/proofs/artist/417ae70d-f038-409d-8e8e-7c31e7d1e7d2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
She Don't Like The Lights (prod. Direct)
{"copyright_id":"0x6d97f3014fa7d8ecd1837163bd54c57d15ba414c6c89a4c866d3fc5717c5ca32","isrc":"CA6D21800034","name":"She Don't Like The Lights (prod. Direct)","registered_at":"2026-06-29T10:14:16Z","spotify_id":"5EPgKePrlAWR1UqitPUgnw","type":"track"}
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d97f3014fa7d8ecd1837163bd54c57d15ba414c6c89a4c866d3fc5717c5ca32. Chain 2 (Bitcoin): anchored in block 956383 (2026-07-02T18:11:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5EPgKePrlAWR1UqitPUgnw.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5EPgKePrlAWR1UqitPUgnw.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c2787054028f16b57617d616e73a1427831211a1100d43c23d461076fc95f10. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/02a3tn44OugFR2hRKMSbaw.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/02a3tn44OugFR2hRKMSbaw.
As the World Falls Down - slowed + reverb
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4320a7b8950f4318312cbdd691a5d847c26c090e631f5822080c70aab51b9bdf. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5Cgk7hhV7VKK1UbDUL7ErZ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5Cgk7hhV7VKK1UbDUL7ErZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ea9878618b1e9825bc0334ec9020de957ae8999179d1e3eef9927698d133346. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/09aRWpXE2dS3Fb27znVoNy.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/09aRWpXE2dS3Fb27znVoNy.
{"copyright_id":"0x8d7d5c0da299a9947318ed152b2127c873f4a11a3a6dc7a5ab7f6de0d83f8437","isrc":"CA6D21600315","name":"Matches - Subtact Remix","registered_at":"2026-06-04T14:39:46Z","spotify_id":"0QD2NQd8CKPUXpTNzrBUa7","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d7d5c0da299a9947318ed152b2127c873f4a11a3a6dc7a5ab7f6de0d83f8437. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0QD2NQd8CKPUXpTNzrBUa7.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0QD2NQd8CKPUXpTNzrBUa7.
{"copyright_id":"0xa93db88d86fb43047095bf4ea432eb331f688538a987cf666cb0f9c5596facaa","isrc":"CA6D21600316","name":"Matches - Slippy Remix","registered_at":"2026-06-25T07:16:28Z","spotify_id":"2ErhniZFocFyGrk8XuF5R3","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa93db88d86fb43047095bf4ea432eb331f688538a987cf666cb0f9c5596facaa. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2ErhniZFocFyGrk8XuF5R3.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2ErhniZFocFyGrk8XuF5R3.
{"copyright_id":"0xa17d35722b982c315a0c10ecb32bb7f97cd235b0b7de0c91f873ce6e61e65b9c","isrc":"CA6D21600317","name":"Matches - Mr FijiWiji Remix","registered_at":"2026-06-18T03:10:23Z","spotify_id":"6SbJDuS8tak5VlTZPMK4kM","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa17d35722b982c315a0c10ecb32bb7f97cd235b0b7de0c91f873ce6e61e65b9c. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6SbJDuS8tak5VlTZPMK4kM.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6SbJDuS8tak5VlTZPMK4kM.
{"copyright_id":"0x641286315e1f61da99735dedcab77936d2492bbf77c89cbf805fd0929e5793b8","isrc":"CA6D21600318","name":"Matches - Hyper Potions Remix","registered_at":"2026-06-10T01:07:34Z","spotify_id":"0NVfTyVPgBkPDiPJy267Sq","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x641286315e1f61da99735dedcab77936d2492bbf77c89cbf805fd0929e5793b8. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0NVfTyVPgBkPDiPJy267Sq.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0NVfTyVPgBkPDiPJy267Sq.
{"copyright_id":"0x4ac2abbd2614b953d70fe6e5082a98a3a7d575a1996f9498d3652514529c40d0","isrc":"CA6D21600319","name":"Matches - Dark Cat x VYNYL Remix","registered_at":"2026-06-18T18:13:48Z","spotify_id":"2lZ2zySp4vbvFofPqyeFRf","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ac2abbd2614b953d70fe6e5082a98a3a7d575a1996f9498d3652514529c40d0. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2lZ2zySp4vbvFofPqyeFRf.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2lZ2zySp4vbvFofPqyeFRf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabfaaecf18d38e9d08cff628f79ed218316554616f7d3adf7049e162fe20484c. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1dtHJYA9ynQ3pCv1oj837E.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1dtHJYA9ynQ3pCv1oj837E.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1b822b5dd993b72b189e5a1cb64d90bcca4804223e009f78fe093ae03b390b7. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7AgOohNNfMXaTzYEy3keaZ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7AgOohNNfMXaTzYEy3keaZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1b822b5dd993b72b189e5a1cb64d90bcca4804223e009f78fe093ae03b390b7. Chain 2 (Bitcoin): anchored in block 957020 (2026-07-07T09:18:01Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7b3586qkIMejkrahJbzgVs.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7b3586qkIMejkrahJbzgVs.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32fba7343f56356c980295f476e6aa84a4f208f89cb355f25ac51554e5af6651. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3YPSMtV4bsxtGQOHpCDwwF.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3YPSMtV4bsxtGQOHpCDwwF.