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 0xdba31cbb82dda91c1c6e90abb847c34c992df8baf32c13ed150a96e61b18e03d. 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/f26c206e-de7b-4b9a-b2e8-019eb66e58a2.json and https://artists.proofprofile.net/proofs/artist/f26c206e-de7b-4b9a-b2e8-019eb66e58a2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Jung Kook Goes Classical (A Symphony Tribute)
{"copyright_id":"0x5c5f3a5d10c4f638780e0962c2950b26154083a5da1eea884496abd5067e0f7a","isrc":"USAT21701820","name":"Obsession (feat. Jon Bellion)","registered_at":"2026-06-04T12:19:27Z","spotify_id":"5pvVAwQbuFoR7LkcicrKnk","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 0x5c5f3a5d10c4f638780e0962c2950b26154083a5da1eea884496abd5067e0f7a. 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/5pvVAwQbuFoR7LkcicrKnk.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/5pvVAwQbuFoR7LkcicrKnk.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d277903f8dd62142cd7363388f60bce5d5d3f1143902cc963cc5b98839d45f5. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5KSNxyuyp5K1kDT6LvX8oZ.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/5KSNxyuyp5K1kDT6LvX8oZ.
{"copyright_id":"0xcf7b2dd5d9ef367a78015ed8f44468405c4a4cfbe020f2907e6fb5d6899d773c","isrc":"USUG12301232","name":"Walls (with Jon Bellion)","registered_at":"2026-06-04T10:09:03Z","spotify_id":"7fddOHNASW6ONwNVjSVJgo","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf7b2dd5d9ef367a78015ed8f44468405c4a4cfbe020f2907e6fb5d6899d773c. 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/7fddOHNASW6ONwNVjSVJgo.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/7fddOHNASW6ONwNVjSVJgo.
Good Things Fall Apart (with Jon Bellion) [Travis Barker Remix]
{"copyright_id":"0xdf3c0597ad3b65162ea900de9f81b3ffd9f5c0f22d9f19f57ac8f130d48d6c8c","isrc":"USUG11904189","name":"Good Things Fall Apart (with Jon Bellion) [Travis Barker Remix]","registered_at":"2026-06-06T10:12:01Z","spotify_id":"5EppQn6XXssuFcgtP637jT","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf3c0597ad3b65162ea900de9f81b3ffd9f5c0f22d9f19f57ac8f130d48d6c8c. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5EppQn6XXssuFcgtP637jT.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/5EppQn6XXssuFcgtP637jT.
Good Things Fall Apart (with Jon Bellion) [3LAU Remix]
{"copyright_id":"0x73bdc7c3931033d8764aba5cd841cc1e702d8f351c9a7051b6bffc00ba276076","isrc":"USUG12001770","name":"Good Things Fall Apart (with Jon Bellion) [3LAU Remix]","registered_at":"2026-06-11T04:47:24Z","spotify_id":"3dCl2WZYg3mUgZgb7Ber0x","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73bdc7c3931033d8764aba5cd841cc1e702d8f351c9a7051b6bffc00ba276076. 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/3dCl2WZYg3mUgZgb7Ber0x.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/3dCl2WZYg3mUgZgb7Ber0x.
Good Things Fall Apart (with Jon Bellion) [William Black Remix]
{"copyright_id":"0x56a3922a89fff59a684c80fee383a8654b69dcffbf8934697699ec3c99ef2f39","isrc":"USUG12001772","name":"Good Things Fall Apart (with Jon Bellion) [William Black Remix]","registered_at":"2026-06-09T06:01:42Z","spotify_id":"7vZqILkKnaX40eUhDSbU06","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56a3922a89fff59a684c80fee383a8654b69dcffbf8934697699ec3c99ef2f39. 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/7vZqILkKnaX40eUhDSbU06.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/7vZqILkKnaX40eUhDSbU06.
Good Things Fall Apart (with Jon Bellion) [SLANDER Remix]
{"copyright_id":"0xfec712ebb17a0d985f4b4c4df0bc640269a04d11634a7468264faa5580192164","isrc":"USUG12001771","name":"Good Things Fall Apart (with Jon Bellion) [SLANDER Remix]","registered_at":"2026-06-05T20:47:10Z","spotify_id":"5vmRAlW1hZRxg5A96v0aW9","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfec712ebb17a0d985f4b4c4df0bc640269a04d11634a7468264faa5580192164. 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/5vmRAlW1hZRxg5A96v0aW9.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/5vmRAlW1hZRxg5A96v0aW9.
Good Things Fall Apart (with Jon Bellion) [Tiësto's Big Room Remix]
{"copyright_id":"0xb4c1b34e90e64b6deaf89ffd0316c317174a3095333cc95051d05ee0c7bf2b35","isrc":"USUG11901833","name":"Good Things Fall Apart (with Jon Bellion) [Tiësto's Big Room Remix]","registered_at":"2026-06-04T15:08:53Z","spotify_id":"42iaZygYmdyZomAtvPoxG1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4c1b34e90e64b6deaf89ffd0316c317174a3095333cc95051d05ee0c7bf2b35. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/42iaZygYmdyZomAtvPoxG1.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/42iaZygYmdyZomAtvPoxG1.
{"copyright_id":"0xdf3c0597ad3b65162ea900de9f81b3ffd9f5c0f22d9f19f57ac8f130d48d6c8c","isrc":"USUG11904189","name":"Good Things Fall Apart (with Jon Bellion) [Travis Barker Remix]","registered_at":"2026-06-06T10:12:01Z","spotify_id":"2swazbNppOGnmvnSmYbczY","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf3c0597ad3b65162ea900de9f81b3ffd9f5c0f22d9f19f57ac8f130d48d6c8c. 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/2swazbNppOGnmvnSmYbczY.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/2swazbNppOGnmvnSmYbczY.
Good Things Fall Apart (with Jon Bellion)
{"copyright_id":"0x821938442ffcda8e5a647410d26e8e31a5b2de71a660843e1425ac2868f4eecb","isrc":"USUG11901088","name":"Good Things Fall Apart (with Jon Bellion)","registered_at":"2026-06-01T12:03:35Z","spotify_id":"3LxG9HkMMFP0MZuiw3O2rF","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x821938442ffcda8e5a647410d26e8e31a5b2de71a660843e1425ac2868f4eecb. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3LxG9HkMMFP0MZuiw3O2rF.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/3LxG9HkMMFP0MZuiw3O2rF.
Drink Water (feat. Jon Bellion and Fireboy DML)
{"copyright_id":"0x5e7745cae0ab933a09f84abc79e1e800a12eabd15ffe701a4cffee1240ca1dfa","isrc":"USUG12305184","name":"Drink Water (feat. Jon Bellion and Fireboy DML)","registered_at":"2026-06-04T07:52:55Z","spotify_id":"5sLEmcvR8qwxE0nh0fqGr1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e7745cae0ab933a09f84abc79e1e800a12eabd15ffe701a4cffee1240ca1dfa. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5sLEmcvR8qwxE0nh0fqGr1.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/5sLEmcvR8qwxE0nh0fqGr1.
{"copyright_id":"0xeaeaac7ddcd77ab84a516fb1fde12d2c0a954df42958412cc661fbaf3befe916","isrc":"USUM71514470","name":"Beautiful Now - Rock Mafia Remix","registered_at":"2026-06-19T12:03:48Z","spotify_id":"5bfpZBEWw50zOkmoxuqMNU","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeaeaac7ddcd77ab84a516fb1fde12d2c0a954df42958412cc661fbaf3befe916. 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/5bfpZBEWw50zOkmoxuqMNU.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/5bfpZBEWw50zOkmoxuqMNU.
{"copyright_id":"0x753113e2915a7b450ad558142aedf68d619d16b9729513f4914bec7c3dea39e2","isrc":"USUM71513250","name":"Beautiful Now - Grey Remix","registered_at":"2026-06-22T19:23:29Z","spotify_id":"3cfuTXCcN6BqTBpsUHsqVP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x753113e2915a7b450ad558142aedf68d619d16b9729513f4914bec7c3dea39e2. 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/3cfuTXCcN6BqTBpsUHsqVP.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/3cfuTXCcN6BqTBpsUHsqVP.
{"copyright_id":"0xcab027271f10fd99ef5d4465924cdc35e765bbc041475e55e41c01d242ac6bf6","isrc":"USUM71510962","name":"Beautiful Now - Big Gigantic Remix","registered_at":"2026-06-10T17:58:29Z","spotify_id":"4Ymhs8dGZ71HjATpq0G0mB","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcab027271f10fd99ef5d4465924cdc35e765bbc041475e55e41c01d242ac6bf6. 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/4Ymhs8dGZ71HjATpq0G0mB.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/4Ymhs8dGZ71HjATpq0G0mB.