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 0x0d6312a0b903aa05dc780a56bf2a24bc23981588c609f017917733d53d03e261. 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/27accf0b-c468-4eaf-863a-abe577978a2f.json and https://artists.proofprofile.net/proofs/artist/27accf0b-c468-4eaf-863a-abe577978a2f.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 0xa1af5e48854cc59399bfb80297f436c01e12340d14c2beb1d118038337ad9759. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2GAVOZAH72MBwCB4SVkKFH.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/2GAVOZAH72MBwCB4SVkKFH.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x295b16aba9ab536ee7ef519bd1e7c809ce58b851852b456f2dd3d07061970cfa. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2Nn6yydylVNcyBFlICx9x5.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/2Nn6yydylVNcyBFlICx9x5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf16f7cdfd97d14e8c96f70a28e683e653f4a90875e75abafd42ce971051e78eb. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5KImoQemJPg3CueGvdjzT4.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/5KImoQemJPg3CueGvdjzT4.
{"copyright_id":"0xeab052d5ed091706eceb7ce58e188f5acc666cb686c175608625b9b785be4be6","isrc":"USUYG1362737","name":"Shooting Stars","registered_at":"2026-06-29T07:27:26Z","spotify_id":"6NOQC3c4UrkpZLfZWhQdUC","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeab052d5ed091706eceb7ce58e188f5acc666cb686c175608625b9b785be4be6. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6NOQC3c4UrkpZLfZWhQdUC.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/6NOQC3c4UrkpZLfZWhQdUC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd60e8ccc67cee5526458d5c0fc6e5f29c768943272963666c357352ee57130e9. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5sBY3d1uDtQcJwjjpIp1HJ.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/5sBY3d1uDtQcJwjjpIp1HJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27d08c9a4cff164bdb90e4937f351138154f7069c758054721cce0d97b4ef17a. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1fjoXwRA5uOshWJpKFEMec.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/1fjoXwRA5uOshWJpKFEMec.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42f718e544dbab408f1014c58ff3431d39b3b38c4a656b50ffb320d12b403ad3. 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/1hexkys6IhRND0XvpQV9Gf.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/1hexkys6IhRND0XvpQV9Gf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57d0df36eb83e80fd0bc04ba938c159f81035732127420d9b9133fae013ff3c4. 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/12vwELNTa7drAVrSmojE8V.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/12vwELNTa7drAVrSmojE8V.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c1735d1101b7909fabd79b1c1d010f8a930203eea191170061204f08e677342. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6L1ytRf88xBx16JQjkQuHt.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/6L1ytRf88xBx16JQjkQuHt.
How It Go (Original Version) [feat. Mozzy]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5874cde88445f15c42324333b336ee19b05aaede02278ec54ca13df32b964014. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6UiC7IU7ZGC5yk7kK2IwYQ.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/6UiC7IU7ZGC5yk7kK2IwYQ.
{"copyright_id":"0x5acb3e726f84ba77dfb43c3166c1aa90e5edc9b2383ab9cb7aad8a129be5ec6f","isrc":"USUYG1544367","name":"Letter To the Crowd (Faded)","registered_at":"2026-06-29T07:30:43Z","spotify_id":"0nWNlSEZIfFpeRB1R1yoWh","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5acb3e726f84ba77dfb43c3166c1aa90e5edc9b2383ab9cb7aad8a129be5ec6f. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0nWNlSEZIfFpeRB1R1yoWh.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/0nWNlSEZIfFpeRB1R1yoWh.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb027eec215cf573a061b8e4e4a87780d59314b382421177d349084ec44d89fdb. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/409PNmjTWyKMCOJdpSD1ZQ.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/409PNmjTWyKMCOJdpSD1ZQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x261dfcbf085632138cb0acd72580fbeeb5d791b48d5a86120c1cebc0f1b7f370. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5FqX9H7cyzy1r7BOGuOXHC.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/5FqX9H7cyzy1r7BOGuOXHC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5874cde88445f15c42324333b336ee19b05aaede02278ec54ca13df32b964014. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5FktGVX3bab4Dr5kY9gmVl.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/5FktGVX3bab4Dr5kY9gmVl.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9ab61c4c3859e063fbeaf52d20ec4ca735304134a5f422c6406a2d4133b4895. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0xjQtwL7vkHrpRtEZHqHqs.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/0xjQtwL7vkHrpRtEZHqHqs.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2318c116919f45a64a49ef3a6edb5b52659d6e33b2f99c8b376b81f4cad3572. 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/59gns6KpLLvSDjbRJkw95S.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/59gns6KpLLvSDjbRJkw95S.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x709b69b95509143287f43238d620e966ff6f3d6d3d06e7a20f662fddbbc551b0. 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/30pLW4GkLgnfxpJbfuzrKh.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/30pLW4GkLgnfxpJbfuzrKh.
{"copyright_id":"0xe681ea1949276170882ec5c65b71bb186bf0e4427312dc532d39baa9dff7c498","isrc":"USUYG1524367","name":"Offended (feat. Mbnel & Honcho)","registered_at":"2026-06-25T21:08:04Z","spotify_id":"4SKuOPDHPWoDQuOTSzw92w","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe681ea1949276170882ec5c65b71bb186bf0e4427312dc532d39baa9dff7c498. 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/4SKuOPDHPWoDQuOTSzw92w.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/4SKuOPDHPWoDQuOTSzw92w.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1354e8b7c8e656ca4203953718505a9219d9ef10df06ebd30100abb6fc73f4f2. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6nwVP743nwL5t0hBc4iYnl.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/6nwVP743nwL5t0hBc4iYnl.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0fe80a2b4289fe09c2fbc7bd3d03bdf48aa6b00f77d7bdebf7266db76e103fbd. 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/3GnKABYb8Kh2JlUcPACwBW.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/3GnKABYb8Kh2JlUcPACwBW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x709b69b95509143287f43238d620e966ff6f3d6d3d06e7a20f662fddbbc551b0. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0icysuNN8JfZsAc0COo1VZ.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/0icysuNN8JfZsAc0COo1VZ.
{"copyright_id":"0xdb1ac6ebd6df3a9fe8cfbc69d5124a143f34cf49ccbd3c62e2c6a5c5ad6fe9ae","isrc":"USUYG1294276","name":"Pull Up","registered_at":"2026-06-24T10:05:56Z","spotify_id":"0g9MElvHdluSacBOvOTvuL","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb1ac6ebd6df3a9fe8cfbc69d5124a143f34cf49ccbd3c62e2c6a5c5ad6fe9ae. 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/0g9MElvHdluSacBOvOTvuL.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/0g9MElvHdluSacBOvOTvuL.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbac44e518132a9977dfc20f9d35f17983c00aad7eecb5685484c86d962d4f02. 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/4027CSZI5vsqzLM1hxZtJL.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/4027CSZI5vsqzLM1hxZtJL.
{"copyright_id":"0xf208f386be9b0b805c2d7a1e99aefefbf300150717c9e93922a6182df8dac7ce","isrc":"QZFZ32303962","name":"In My Bag","registered_at":"2026-06-18T15:13:28Z","spotify_id":"5HAXCvAQbtzMZxOrKMEcsK","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf208f386be9b0b805c2d7a1e99aefefbf300150717c9e93922a6182df8dac7ce. 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/5HAXCvAQbtzMZxOrKMEcsK.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/5HAXCvAQbtzMZxOrKMEcsK.
Push To Start (feat. MBnel, Chris O'Bannon & Azjah)