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 0x6398e3d43c466c97ca44ffb1f3e6f57bcaaef12b502d10c1f50ba695ab29670e. 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/166adec2-624f-4b69-af0c-86930ef9ec3d.json and https://artists.proofprofile.net/proofs/artist/166adec2-624f-4b69-af0c-86930ef9ec3d.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 0x4e18d839741ff1912f8162083e702bff092a35085f0607b97bf287be95ec24f7. 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/38JjHY7HjvZYnmEk8HYWZb.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/38JjHY7HjvZYnmEk8HYWZb.
xXXi_wud_nvrstøp_ÜXXx (Remix) [feat. Tommy Cash & Hannah Diamond]
{"copyright_id":"0x1bc13540049589bf03a9b3f0a39d17446a65811ba9c51fa284bad96d08c5f88e","isrc":"USAT22000184","name":"xXXi_wud_nvrstøp_ÜXXx (Remix) [feat. Tommy Cash & Hannah Diamond]","registered_at":"2026-06-04T12:02:52Z","spotify_id":"1cLSOEAbRpFDYYX4r0WMKj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1bc13540049589bf03a9b3f0a39d17446a65811ba9c51fa284bad96d08c5f88e. 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/1cLSOEAbRpFDYYX4r0WMKj.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/1cLSOEAbRpFDYYX4r0WMKj.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b264ed178faa73005886c9b7ef388b51cf731ff587c1353f24c81e2e2e9944b. 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/4RxUbw09G3mi53IC2gDdlt.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/4RxUbw09G3mi53IC2gDdlt.
The Darkness [with Sarah Bonito & Hannah Diamond] (Remix)
{"copyright_id":"0x78337b7f87f23970fa667e55f68dc5cc038293baaabd0dbe62cb7327ab19d95a","isrc":"USA2P2114837","name":"The Darkness [with Sarah Bonito & Hannah Diamond] (Remix)","registered_at":"2026-06-09T06:08:00Z","spotify_id":"4aJCnNiN0Xr4wDhvsb7qzh","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78337b7f87f23970fa667e55f68dc5cc038293baaabd0dbe62cb7327ab19d95a. 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/4aJCnNiN0Xr4wDhvsb7qzh.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/4aJCnNiN0Xr4wDhvsb7qzh.
The Darkness (Remix) [with Sarah Bonito, Hannah Diamond]
{"copyright_id":"0x78337b7f87f23970fa667e55f68dc5cc038293baaabd0dbe62cb7327ab19d95a","isrc":"USA2P2114837","name":"The Darkness (Remix) [with Sarah Bonito, Hannah Diamond]","registered_at":"2026-06-09T06:08:00Z","spotify_id":"2Ox0d4inF85PPNlNmejUZC","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78337b7f87f23970fa667e55f68dc5cc038293baaabd0dbe62cb7327ab19d95a. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2Ox0d4inF85PPNlNmejUZC.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/2Ox0d4inF85PPNlNmejUZC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08fa2f8b9e3165e3c31ff5505b3f036987efc223b6027014bd4b7bc9fbabfbd5. 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/6KviGPKBFKj65NG3YlWhWQ.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/6KviGPKBFKj65NG3YlWhWQ.
comfort noise (Music Inspired by the Motion Picture)
{"copyright_id":"0xb8a2d1e42f28ea5add702bad8cf157cadfeb29ce4b1e5cc2f84e76fbad436359","isrc":"USA2P2232929","name":"all i need (Gupi Remix)","registered_at":"2026-06-27T00:22:14Z","spotify_id":"11zcgvbdmhDCfJCtY9Wd2u","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8a2d1e42f28ea5add702bad8cf157cadfeb29ce4b1e5cc2f84e76fbad436359. 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/11zcgvbdmhDCfJCtY9Wd2u.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/11zcgvbdmhDCfJCtY9Wd2u.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02116fbe5a03df18f925cf644e22257100685908ddd2c258441fd73a5e32e982. 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/5K9DycM7n6bdE7CcTuQ32a.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/5K9DycM7n6bdE7CcTuQ32a.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02116fbe5a03df18f925cf644e22257100685908ddd2c258441fd73a5e32e982. 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/7vOjikQFRmxz1DISXsCQqG.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/7vOjikQFRmxz1DISXsCQqG.
Better Than That - Hannah Diamond & caro♡ Remix
{"copyright_id":"0x15582417b3bf6313c1a813fdbd4857f5d07d547e979fd7f0168ad363d765e974","isrc":"GBAFL2100434","name":"Better Than That - Hannah Diamond & caro♡ Remix","registered_at":"2026-06-19T05:19:15Z","spotify_id":"5tnaLvEjhiA3Ny2JtSuDy6","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15582417b3bf6313c1a813fdbd4857f5d07d547e979fd7f0168ad363d765e974. 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/5tnaLvEjhiA3Ny2JtSuDy6.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/5tnaLvEjhiA3Ny2JtSuDy6.
{"copyright_id":"0x2ff095a0c8670cc42fba6abffe3a9105b9985a7d9a152adf1bc09ec267fe7940","isrc":"UK9951400101","name":"Every Night","registered_at":"2026-06-10T02:01:25Z","spotify_id":"0pIlQ3zmWCCiv0KUwbsW3b","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ff095a0c8670cc42fba6abffe3a9105b9985a7d9a152adf1bc09ec267fe7940. 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/0pIlQ3zmWCCiv0KUwbsW3b.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/0pIlQ3zmWCCiv0KUwbsW3b.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe715674b3ce5fc14a18c023927f993d3c9d1a2b7fb7a4a2a0993fee838f469c5. 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/6iBgJOZWEyfgOnh6y2wCQd.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/6iBgJOZWEyfgOnh6y2wCQd.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e170920cf32fff5998c1786319da385428d04dd2cc1589446d438fda1beec8d. 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/02R2Onsf9FhfL3ebprEXh5.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/02R2Onsf9FhfL3ebprEXh5.
{"copyright_id":"0x1bc13540049589bf03a9b3f0a39d17446a65811ba9c51fa284bad96d08c5f88e","isrc":"USAT22000184","name":"xXXi_wud_nvrstøp_ÜXXx (Remix) [feat. Tommy Cash & Hannah Diamond]","registered_at":"2026-06-04T12:02:52Z","spotify_id":"3bz4WlzYw6XatcaTIh0zGX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1bc13540049589bf03a9b3f0a39d17446a65811ba9c51fa284bad96d08c5f88e. 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/3bz4WlzYw6XatcaTIh0zGX.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/3bz4WlzYw6XatcaTIh0zGX.
{"copyright_id":"0x6ab76435ac1526fe6d4ce719dda166d7b25d2cd3d11d93a73cedfafdedd81d29","isrc":"QMB622116303","name":"Candyboy (Hannah Diamond's Shine)","registered_at":"2026-06-25T17:35:20Z","spotify_id":"0c5szMBf6YOZsN2Te4ArdF","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ab76435ac1526fe6d4ce719dda166d7b25d2cd3d11d93a73cedfafdedd81d29. 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/0c5szMBf6YOZsN2Te4ArdF.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/0c5szMBf6YOZsN2Te4ArdF.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c7307623a2703bbae798f42dce865e27b86906f39db8bec50094585c57fa432. 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/6Ctzfd9CmKGPxJ6WlwIrP9.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/6Ctzfd9CmKGPxJ6WlwIrP9.