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 0x91cf28d0b1aa11d67ec4433f0a47a950a0015f8595802fef436c0cf02f109434. 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/5e1f8513-6af3-4ad3-a12f-2d371a7bc9bd.json and https://artists.proofprofile.net/proofs/artist/5e1f8513-6af3-4ad3-a12f-2d371a7bc9bd.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Steven Universe, Vol. 1 (Original Soundtrack)
The Tale of Steven (feat. Christine Ebersole, Lisa Hannigan & Patti LuPone)
Steven Universe The Movie (Original Soundtrack) [Deluxe Version]
{"copyright_id":"0x87a551d381a338935bbe57684542f5f2bd577a80149bfb9ed6d86001e0dd7972","isrc":"USNLR1900412","name":"The Tale of Steven (feat. Christine Ebersole, Lisa Hannigan & Patti LuPone)","registered_at":"2026-06-11T05:06:41Z","spotify_id":"6e6CDGYHZkFwdUXUTeVBty","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 0x87a551d381a338935bbe57684542f5f2bd577a80149bfb9ed6d86001e0dd7972. 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/6e6CDGYHZkFwdUXUTeVBty.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/6e6CDGYHZkFwdUXUTeVBty.
{"copyright_id":"0xbee9e9e3ac43f00f712bdbf9ba08b89217aa6bbe9de66bc6d363f86d77128684","isrc":"USNLR1900413","name":"Once Upon a Time","registered_at":"2026-06-18T13:19:13Z","spotify_id":"5nU9iVypaGM22KIGRSHBOW","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbee9e9e3ac43f00f712bdbf9ba08b89217aa6bbe9de66bc6d363f86d77128684. 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/5nU9iVypaGM22KIGRSHBOW.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/5nU9iVypaGM22KIGRSHBOW.
{"copyright_id":"0xdf85fb52924c8783103e2178dae375682577e3c2bb564c46408b9a6174c2dc70","isrc":"USNLR1900414","name":"Message to the Universe","registered_at":"2026-06-18T13:19:17Z","spotify_id":"1UxPbTklvz00UoljUUHLOy","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf85fb52924c8783103e2178dae375682577e3c2bb564c46408b9a6174c2dc70. 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/1UxPbTklvz00UoljUUHLOy.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/1UxPbTklvz00UoljUUHLOy.
Let Us Adore You (feat. Christine Ebersole, Lisa Hannigan, Patti LuPone & Zach Callison)
{"copyright_id":"0xf69318bf9a0ea4a86eeaac72d6fda1a48d8e76a69fea1ea81c1942071c84e658","isrc":"USNLR1900415","name":"Let Us Adore You (feat. Christine Ebersole, Lisa Hannigan, Patti LuPone & Zach Callison)","registered_at":"2026-06-09T06:07:48Z","spotify_id":"3fJvH43sWfiUEybLtLsOni","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf69318bf9a0ea4a86eeaac72d6fda1a48d8e76a69fea1ea81c1942071c84e658. 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/3fJvH43sWfiUEybLtLsOni.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/3fJvH43sWfiUEybLtLsOni.
{"copyright_id":"0xc1e49b7226cf902b48441cde62d555db6982232cb51f25bcbddd42e7e4c9bc9e","isrc":"USNLR1900416","name":"Home Sweet Home","registered_at":"2026-06-18T13:22:03Z","spotify_id":"6QYWrQ0ybhMFzoQv81dYmX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1e49b7226cf902b48441cde62d555db6982232cb51f25bcbddd42e7e4c9bc9e. 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/6QYWrQ0ybhMFzoQv81dYmX.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/6QYWrQ0ybhMFzoQv81dYmX.
Happily Ever After (feat. Zach Callison, Deedee Magno Hall, Estelle, Michaela Dietz, Tom Scharpling, Uzo Aduba, Jennifer Paz & Shelby Rabara)
{"copyright_id":"0xf07d54ff7f24c1d6cbc6ef4857a8fe5cc33a31a0cc2f4a4a2ad18a911a9b15d8","isrc":"USNLR1900417","name":"Happily Ever After (feat. Zach Callison, Deedee Magno Hall, Estelle, Michaela Dietz, Tom Scharpling, Uzo Aduba, Jennifer Paz & Shelby Rabara)","registered_at":"2026-06-06T09:28:23Z","spotify_id":"6SK8OesxUQXIc0acqM36GG","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf07d54ff7f24c1d6cbc6ef4857a8fe5cc33a31a0cc2f4a4a2ad18a911a9b15d8. 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/6SK8OesxUQXIc0acqM36GG.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/6SK8OesxUQXIc0acqM36GG.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a0850b282f5e963de1b2c28e1b51064326651d84d780a2c209c243db990966f. 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/08URoctGeJuVobfg3eIQX3.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/08URoctGeJuVobfg3eIQX3.
Other Friends (feat. Sarah Stiles, Zach Callison, Deedee Magno Hall, Estelle & Michaela Dietz)
{"copyright_id":"0x11afc78837bcafa9d96cce6cc90e40c629393dc8d8981960ec68073e69f48e4c","isrc":"USNLR1900419","name":"Other Friends (feat. Sarah Stiles, Zach Callison, Deedee Magno Hall, Estelle & Michaela Dietz)","registered_at":"2026-06-07T18:41:59Z","spotify_id":"4tVL4sN8d9wGBbTgmAm7H1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11afc78837bcafa9d96cce6cc90e40c629393dc8d8981960ec68073e69f48e4c. 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/4tVL4sN8d9wGBbTgmAm7H1.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/4tVL4sN8d9wGBbTgmAm7H1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe33d1170d3d0e364985bd69eb6a58a897bdc57b0bf9441c107361e1757da03d0. 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/3jGiCvYynqfW8c3hg9ycWW.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/3jGiCvYynqfW8c3hg9ycWW.
system/BOOT. PearlFinal (3).Info [feat. Deedee Magno Hall, Tom Scharpling, Zach Callison, Charlyne Yi, Erica Luttrell, Michaela Dietz & Sarah Stiles]
{"copyright_id":"0xd49931e0ac9998d822a76018b4fc5ca3abad539b4878eb06ae4549e946943f25","isrc":"USNLR1900421","name":"system/BOOT. PearlFinal (3).Info [feat. Deedee Magno Hall, Tom Scharpling, Zach Callison, Charlyne Yi, Erica Luttrell, Michaela Dietz & Sarah Stiles]","registered_at":"2026-06-08T17:41:14Z","spotify_id":"3H3L6Q2EIx5gEUTU8Jxh2c","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd49931e0ac9998d822a76018b4fc5ca3abad539b4878eb06ae4549e946943f25. 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/3H3L6Q2EIx5gEUTU8Jxh2c.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/3H3L6Q2EIx5gEUTU8Jxh2c.
{"copyright_id":"0x6ed8c38702791bdf57d85c4d3ddbb3a4e2afc2e48fe3fe390c6440e1eaef0167","isrc":"USNLR1900422","name":"With Friends Like These","registered_at":"2026-06-22T22:44:55Z","spotify_id":"1jRgXm002gw7UY1yOIsfjI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ed8c38702791bdf57d85c4d3ddbb3a4e2afc2e48fe3fe390c6440e1eaef0167. 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/1jRgXm002gw7UY1yOIsfjI.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/1jRgXm002gw7UY1yOIsfjI.
{"copyright_id":"0xbaadd491345060d76f45efc4db97fcd7e8df6a2c9235d0505a8a36e667e126c6","isrc":"USNLR1900423","name":"Crystal Gem Huddle","registered_at":"2026-06-22T22:46:12Z","spotify_id":"0KH5YlvW6u7rIBQumHee6b","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbaadd491345060d76f45efc4db97fcd7e8df6a2c9235d0505a8a36e667e126c6. 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/0KH5YlvW6u7rIBQumHee6b.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/0KH5YlvW6u7rIBQumHee6b.
Who We Are (feat. Uzo Aduba, Zach Callison, Jennifer Paz, Shelby Rabara & Sarah Stiles)
{"copyright_id":"0x95bbb1b903d2fbf2bb4c436c477719238905c58bec5af2c1c99e325fad5b063c","isrc":"USNLR1900424","name":"Who We Are (feat. Uzo Aduba, Zach Callison, Jennifer Paz, Shelby Rabara & Sarah Stiles)","registered_at":"2026-06-10T15:43:53Z","spotify_id":"57JK4rNNGEoi3odBGvgTJj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95bbb1b903d2fbf2bb4c436c477719238905c58bec5af2c1c99e325fad5b063c. 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/57JK4rNNGEoi3odBGvgTJj.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/57JK4rNNGEoi3odBGvgTJj.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98b41b71231246454de855040c63fb46112a409dd92a167773a8df89d43f497f. 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/5fj1osmMOIeeJaCdgmUdIP.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/5fj1osmMOIeeJaCdgmUdIP.
{"copyright_id":"0x6b14ee3b570aa417be4c6ef0c7eb15bd8e8e09f21efeee4001b7b1d87471ca0a","isrc":"USNLR1900426","name":"Isn't It Love? (feat. Estelle)","registered_at":"2026-06-09T06:06:32Z","spotify_id":"3J3Yfla9uA8H8xKwpI1GIR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b14ee3b570aa417be4c6ef0c7eb15bd8e8e09f21efeee4001b7b1d87471ca0a. 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/3J3Yfla9uA8H8xKwpI1GIR.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/3J3Yfla9uA8H8xKwpI1GIR.
{"copyright_id":"0x4c39c6db19d9568faa1e2e357d591fe8a5f2ce3ff8d41ee59763dee36b091ea4","isrc":"USNLR1900428","name":"Echoes of Friendship","registered_at":"2026-06-17T03:41:51Z","spotify_id":"3UVssBbuPgucRtEOGMll4t","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c39c6db19d9568faa1e2e357d591fe8a5f2ce3ff8d41ee59763dee36b091ea4. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T20:28:16Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3UVssBbuPgucRtEOGMll4t.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/3UVssBbuPgucRtEOGMll4t.
No Matter What (feat. Zach Callison & Michaela Dietz)
{"copyright_id":"0xd718a7cb4d7254acf76d0acebdde7a64601cbe3db1605a51bf102a15e89ecf26","isrc":"USNLR1900429","name":"No Matter What (feat. Zach Callison & Michaela Dietz)","registered_at":"2026-06-08T00:58:59Z","spotify_id":"3vxEOzxyhMJRMgOXOl5ho9","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd718a7cb4d7254acf76d0acebdde7a64601cbe3db1605a51bf102a15e89ecf26. 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/3vxEOzxyhMJRMgOXOl5ho9.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/3vxEOzxyhMJRMgOXOl5ho9.
{"copyright_id":"0xff7dff6d3baaf52f8cfa712b015c41536a0a70cbdd299a0ababbcf94d7f6b57f","isrc":"USNLR1900431","name":"No Ordinary Injector","registered_at":"2026-06-24T08:46:44Z","spotify_id":"2WOubbMJ268Q8k9k09sgFC","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff7dff6d3baaf52f8cfa712b015c41536a0a70cbdd299a0ababbcf94d7f6b57f. 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/2WOubbMJ268Q8k9k09sgFC.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/2WOubbMJ268Q8k9k09sgFC.