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 0x34f4744409570350a70c6377ae7c0c97d20bf31fa6f3fd98e4438399072c209e. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/92867866-f3ba-4ce0-bdb0-3e220ada261c.json and https://artists.proofprofile.net/proofs/artist/92867866-f3ba-4ce0-bdb0-3e220ada261c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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 0x7267e468a7149b26973e3339b39dd6fca30b2d7fa8be944c82c9d2395597c79e. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3uUV0qpVaARNEv0DJ45inL.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/3uUV0qpVaARNEv0DJ45inL.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x542a76698df0ae0c93091a9f1f41d9e0cee5c3c84e0952477287882d7911e8a0. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6NwTz6FPcZ2ad4nLUnQceR.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/6NwTz6FPcZ2ad4nLUnQceR.
{"copyright_id":"0x5f769f7192d630e3e2c5eeb65e863c3f055e5af911822ca50abad3f240d4eaa1","isrc":"QZK6L2467583","name":"CYBERSPACE DREAMS","registered_at":"2026-06-18T03:40:07Z","spotify_id":"5MY0oYumXoF4lWGIseKnPo","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f769f7192d630e3e2c5eeb65e863c3f055e5af911822ca50abad3f240d4eaa1. 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/5MY0oYumXoF4lWGIseKnPo.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/5MY0oYumXoF4lWGIseKnPo.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0335085a6843dcccba3a475131f23846f12ab7d7d527fc884dfbd6fed3406a35. 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/2FnGxfcEnDSlcIohRYFQCT.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/2FnGxfcEnDSlcIohRYFQCT.
{"copyright_id":"0x8bf4ec2830b9e8e74dbc674671f61d34d8e8d8c51238e34ad33382124f4f115f","isrc":"QZFYZ2427213","name":"Hellish Bombardment","registered_at":"2026-06-23T10:59:15Z","spotify_id":"3BA8hsc9bcDHJVxdaqJhXR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8bf4ec2830b9e8e74dbc674671f61d34d8e8d8c51238e34ad33382124f4f115f. 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/3BA8hsc9bcDHJVxdaqJhXR.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/3BA8hsc9bcDHJVxdaqJhXR.
{"copyright_id":"0xa885ede5e44a12923f835175f480e6a3eac48c697e886edfc298585cdf34d817","isrc":"QZK6L2484462","name":"Twilight Thrill!","registered_at":"2026-06-09T19:10:54Z","spotify_id":"3JlaQHtGaRrk7sCzDk4Vri","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa885ede5e44a12923f835175f480e6a3eac48c697e886edfc298585cdf34d817. 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/3JlaQHtGaRrk7sCzDk4Vri.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/3JlaQHtGaRrk7sCzDk4Vri.
{"copyright_id":"0xa1123cc1f3622afca5a753769093f26ca3e889a4bc4cfa6841bc676edaaeece6","isrc":"QZK6L2459165","name":"Goth Bae","registered_at":"2026-06-23T10:54:44Z","spotify_id":"1JPlcxkqx5AHhkaCDdZAY9","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1123cc1f3622afca5a753769093f26ca3e889a4bc4cfa6841bc676edaaeece6. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1JPlcxkqx5AHhkaCDdZAY9.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/1JPlcxkqx5AHhkaCDdZAY9.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a9e8817ee8ea54a076539be27399914695e064b3592fc92ede00acb551d3e80. 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/3YsXMPMCTsZn2bd75fUpbf.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/3YsXMPMCTsZn2bd75fUpbf.
{"copyright_id":"0x25e4516d04afcebb11a7227a02d8a911a9ca477e671eeb2ecb0074985ca1e2b4","isrc":"QZK6L2488009","name":"My Favourite Light","registered_at":"2026-06-25T08:59:40Z","spotify_id":"6WomaUX2hIjUDpmZDjWks9","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25e4516d04afcebb11a7227a02d8a911a9ca477e671eeb2ecb0074985ca1e2b4. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6WomaUX2hIjUDpmZDjWks9.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/6WomaUX2hIjUDpmZDjWks9.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabcd4530181258630a080138d70893d146bbf5e9a61a75f71b671845d8d2151f. 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/3UxM0uruZYEfdYTKbDeGZP.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/3UxM0uruZYEfdYTKbDeGZP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xebddc76f687f7b9255362eba482d4e4eb12cdbdf28a9d8ff071d7ae91d46ca50. 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/6mRlN9SbYDqRadsWVgsyYa.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/6mRlN9SbYDqRadsWVgsyYa.
{"copyright_id":"0x35a7382b72b0e334d2240d4f254c49de382043841d641f32549e578cea55e998","isrc":"QZPJ32225899","name":"Feliz Navidad x Mi Burrito Sabanero","registered_at":"2026-06-23T10:57:17Z","spotify_id":"0DrqoadScFrsid9SwOdHWa","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35a7382b72b0e334d2240d4f254c49de382043841d641f32549e578cea55e998. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0DrqoadScFrsid9SwOdHWa.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/0DrqoadScFrsid9SwOdHWa.
{"copyright_id":"0x95a516d5218931e37994a574cc361827525a88fcc7ad879a1d51ba85b9612727","isrc":"QZMEM2391513","name":"INFINITE COMBO (Prowler Goku Meme Song)","registered_at":"2026-06-25T08:59:50Z","spotify_id":"66MaQ9xjCDyGLcSm2MVRCY","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95a516d5218931e37994a574cc361827525a88fcc7ad879a1d51ba85b9612727. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/66MaQ9xjCDyGLcSm2MVRCY.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/66MaQ9xjCDyGLcSm2MVRCY.
INFINITE COMBO (Prowler Goku Meme Song) - Instrumental
{"copyright_id":"0x436f276bb0ae9f41e094a8068f80c9c8dfd6d7d500c06a2154ba783dd89a3700","isrc":"QZPJ32268333","name":"INFINITE COMBO (Prowler Goku Meme Song) - Instrumental","registered_at":"2026-06-23T10:55:39Z","spotify_id":"4y7AMmjweJoAJandTuSw1s","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x436f276bb0ae9f41e094a8068f80c9c8dfd6d7d500c06a2154ba783dd89a3700. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4y7AMmjweJoAJandTuSw1s.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/4y7AMmjweJoAJandTuSw1s.