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 0x60bfbec405ea1834519c06cee8804ed8e5033950d3912b0bec99d9c0aecb62ff. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7e76e0e4-41d3-4ca5-bb68-e0fdbcb7141f.json and https://artists.proofprofile.net/proofs/artist/7e76e0e4-41d3-4ca5-bb68-e0fdbcb7141f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
The Place You'd Most Want To Live (Interlude)
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 0xf6fadd6fea615cc46314780b77d4ca912b07e6664eb9c123b05e4d966e5f3dd6. 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/6W9rbkBueZQrwuzO24GHZ2.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/6W9rbkBueZQrwuzO24GHZ2.
If Not Now (Then When) (feat. Durand Jones)
{"copyright_id":"0xf2fa36043b0fd82ef80125cfc4a8a8b14098ce03b66b09b40995d9926e7cc3ad","isrc":"NLQ7C2200025","name":"All for Love","registered_at":"2026-06-21T23:38:02Z","spotify_id":"0dHmyVfQ0DMGyhSplvq2Rq","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2fa36043b0fd82ef80125cfc4a8a8b14098ce03b66b09b40995d9926e7cc3ad. 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/0dHmyVfQ0DMGyhSplvq2Rq.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/0dHmyVfQ0DMGyhSplvq2Rq.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0116b7329d77625955b8489eea8a033432cbd27237548b7339ab3795de5d7b23. 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/4bQhGIHwo1ZpixP9MudUbV.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/4bQhGIHwo1ZpixP9MudUbV.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbab11e517ca892a620c2ad1a7c3ca71928715fd0f92c9033d22918b5afaa582d. 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/6eB63OaVVr9rdZ8AM4Odkc.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/6eB63OaVVr9rdZ8AM4Odkc.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ee5dc835cd7a4138a75c71c4dc31244b16a10e7ef5e65837b3d36318decafc1. 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/3Rq93KKYddsJbiyumEyX7W.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/3Rq93KKYddsJbiyumEyX7W.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2e45046fa57145add2ff3307a54ea879d433e40a30d7e91142ffc3a9437dbd7. 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/3oZ0SH7uboTaQLKq8ZeDbQ.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/3oZ0SH7uboTaQLKq8ZeDbQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9dc11792531cc5e8648cf9ac57c64df626a93be2c83aab51069e77c245f7d272. 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/6sJmuwsNtWwT3hTVcS1hsR.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/6sJmuwsNtWwT3hTVcS1hsR.
{"copyright_id":"0xe8cec549c609ae71425a86bc2266e548e68ce5ecdbf281c93c1829fd3a0da6a9","isrc":"USJ5G1917701","name":"Morning In America","registered_at":"2026-06-04T08:52:13Z","spotify_id":"7JQklc6tD7nkElX2V6bWkk","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8cec549c609ae71425a86bc2266e548e68ce5ecdbf281c93c1829fd3a0da6a9. 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/7JQklc6tD7nkElX2V6bWkk.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/7JQklc6tD7nkElX2V6bWkk.
{"copyright_id":"0x1fcbadaa2f581cf69d8d11034fb96e575bb87cc342fbf73f3ad24cedaa1f2bdf","isrc":"USJ5G1917702","name":"Don't You Know","registered_at":"2026-06-04T07:51:11Z","spotify_id":"0jecTSpHjOy5CyqEdfod5c","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1fcbadaa2f581cf69d8d11034fb96e575bb87cc342fbf73f3ad24cedaa1f2bdf. 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/0jecTSpHjOy5CyqEdfod5c.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/0jecTSpHjOy5CyqEdfod5c.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd2b0ceac6efa037f3c5666f841d64d7cd8a840a62a6b400f657b91db54af037. 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/59FqreVbI6rLyFaxIUnAEg.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/59FqreVbI6rLyFaxIUnAEg.
{"copyright_id":"0x2b4c4aadc8c3974d27e42fdd0c0affae7fa1eb8582160273421c64a7f3e3daf9","isrc":"USJ5G1917705","name":"Long Way Home","registered_at":"2026-06-04T11:03:38Z","spotify_id":"1m6FCJ4TWoqCz2ubKdep0Z","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b4c4aadc8c3974d27e42fdd0c0affae7fa1eb8582160273421c64a7f3e3daf9. 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/1m6FCJ4TWoqCz2ubKdep0Z.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/1m6FCJ4TWoqCz2ubKdep0Z.
{"copyright_id":"0x9c3b584893f6bdac30dcc085880bcd3d81ca26e02b3ac191cffc4a1f0e59075b","isrc":"USJ5G1917707","name":"Walk Away","registered_at":"2026-06-05T13:01:16Z","spotify_id":"1hxkVOTaDcbQLOQAjmQPqR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c3b584893f6bdac30dcc085880bcd3d81ca26e02b3ac191cffc4a1f0e59075b. 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/1hxkVOTaDcbQLOQAjmQPqR.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/1hxkVOTaDcbQLOQAjmQPqR.
{"copyright_id":"0x0354144a5d37fb6c5274aa6f6d2304cabbcda6242684421d055a36cc59452eff","isrc":"USJ5G1917708","name":"What I Know About You","registered_at":"2026-06-05T17:10:18Z","spotify_id":"60cVnBiET5StDXym6whNe2","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0354144a5d37fb6c5274aa6f6d2304cabbcda6242684421d055a36cc59452eff. 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/60cVnBiET5StDXym6whNe2.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/60cVnBiET5StDXym6whNe2.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36e9956eb91c142c49b331e9bd68c45db88b6918bf75549b1936e1d643025ad1. 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/5m03zPoMX3uBbpErC4ndZF.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/5m03zPoMX3uBbpErC4ndZF.
{"copyright_id":"0x09c705ec77d3d73f807f880a3fc21036ce7f18b51f3f2af7508d374a9adbf7cb","isrc":"USJ5G1917710","name":"Sea Gets Hotter","registered_at":"2026-06-01T05:26:08Z","spotify_id":"5ZK62nSchTamBy8F6HIZov","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09c705ec77d3d73f807f880a3fc21036ce7f18b51f3f2af7508d374a9adbf7cb. 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/5ZK62nSchTamBy8F6HIZov.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/5ZK62nSchTamBy8F6HIZov.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78d631316f25d66e4c1766409c76a349a6655a8ddca53fa1576d1d408f97017f. 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/4P9DvhvBXh5LmVBzxblEhI.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/4P9DvhvBXh5LmVBzxblEhI.
I Can't Do Without You - Live from Bloomington, IN
{"copyright_id":"0x227673344552bed5bf0424f6b4f00a860c73c63c02901d7b6170b0a9a2854a54","isrc":"USJ5G1815703","name":"I Can't Do Without You - Live from Bloomington, IN","registered_at":"2026-06-07T20:30:18Z","spotify_id":"5s7lKJ1f41SwM6A4uTAWHy","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x227673344552bed5bf0424f6b4f00a860c73c63c02901d7b6170b0a9a2854a54. 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/5s7lKJ1f41SwM6A4uTAWHy.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/5s7lKJ1f41SwM6A4uTAWHy.
Make a Change - Live from Bloomington, IN
{"copyright_id":"0xce6bf730ab2249c33f9fde1c818f7c8591f643b0fffd3e3ebf61035fb986fd3f","isrc":"USJ5G1815704","name":"Make a Change - Live from Bloomington, IN","registered_at":"2026-06-17T04:18:46Z","spotify_id":"1bquL0bqB7OZj46tDLARlE","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce6bf730ab2249c33f9fde1c818f7c8591f643b0fffd3e3ebf61035fb986fd3f. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T20:32:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1bquL0bqB7OZj46tDLARlE.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/1bquL0bqB7OZj46tDLARlE.