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 0x70c34059fd1dc20ccb6004e75c16c814b984c1e750b80f1004a5c55a3bf7462f. 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/e3aa12f7-fbf4-44bb-bb2a-dce6be44068d.json and https://artists.proofprofile.net/proofs/artist/e3aa12f7-fbf4-44bb-bb2a-dce6be44068d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
In the Silence of the Morning Sunrise - Live, 1974
You Play for Us Today - Live in Tokyo 2007
In the Silence of the Morning Sunrise - Live in Tokyo 2007
First Communication - Live in Tokyo 2007
Live At Kesselhaus (Live @ Kesselhaus, Berlin, April 3, 2013)
You play for us today - Live @ Kesselhaus, Berlin, April 3, 2013
Sahara city - Live @ Kesselhaus, Berlin, April 3, 2013
In the silence of the morning sunrise - Live @ Kesselhaus, Berlin, April 3, 2013
Shibuya nights - Live @ Kesselhaus, Berlin, April 3, 2013
First communication - Live @ Kesselhaus, Berlin, April 3, 2013
Dialogue & random - Live @ Kesselhaus, Berlin, April 3, 2013
Ala tul - Live @ Kesselhaus, Berlin, April 3, 2013
Laila - Live @ Kesselhaus, Berlin, April 3, 2013
Nomads - Live @ Kesselhaus, Berlin, April 3, 2013
A quiet walk - Live @ Kesselhaus, Berlin, April 3, 2013
Das kleine Uhrwerk - Live @ Kesselhaus, Berlin, April 3, 2013
Malesch - Live @ Kesselhaus, Berlin, April 3, 2013
Drifting - Live @ Kesselhaus, Berlin, April 3, 2013
Rücksturz - Live @ Kesselhaus, Berlin, April 3, 2013
InDaJungl - Live @ Kesselhaus, Berlin, April 3, 2013
Interstellar overdrive - Live @ Kesselhaus, Berlin, April 3, 2013
{"copyright_id":"0xb1fc51186f419cf212d8202d1b6f28f5c4711dea2367dd4bc07660c5f79d37ba","isrc":"DEA450811250","name":"River of Return","registered_at":"2026-06-22T21:23:22Z","spotify_id":"6JlpaLsqc1wKUghUfavpf6","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 0xb1fc51186f419cf212d8202d1b6f28f5c4711dea2367dd4bc07660c5f79d37ba. 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/6JlpaLsqc1wKUghUfavpf6.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/6JlpaLsqc1wKUghUfavpf6.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x899242f227e66257d04f4a6941f382c7b16d12bd6b60ada2fee1236d86b756ec. 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/1iVUG2cGTUdpA4vNsGGU3E.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/1iVUG2cGTUdpA4vNsGGU3E.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a3596dad40ca52ac7018e93ab7cb84494945a4f58eeb902e1397a9c843ecdc2. 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/4wsdt3gqH5kgL7UDczO8uY.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/4wsdt3gqH5kgL7UDczO8uY.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b254d68b09fd922286f2719132dacd3fd9cf9071297c8d9c97a4120b146e234. 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/0Po2R2yqCXIk2w14IEnNKA.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/0Po2R2yqCXIk2w14IEnNKA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeff074292ee7e9f51318c954db2fdcfadef0707df3c66cdd6095672b7c0401cc. 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/58KHyE0oq60fqeLnsZBWTk.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/58KHyE0oq60fqeLnsZBWTk.
{"copyright_id":"0xabb33d695b9aea4788cc8174f07d1acaff2c476ee6a7fa0ab7bea4e41bbd70a1","isrc":"DEA450811310","name":"Das kleine Uhrwerk","registered_at":"2026-06-27T01:54:25Z","spotify_id":"0U6xjInAgmWkGBk6UW5oE9","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabb33d695b9aea4788cc8174f07d1acaff2c476ee6a7fa0ab7bea4e41bbd70a1. 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/0U6xjInAgmWkGBk6UW5oE9.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/0U6xjInAgmWkGBk6UW5oE9.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b3d384c29f771787be933455868e8038c406ea677a14bf1d5679d5f0212d368. 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/5CevbpxOgTUNsPuJUTl6RZ.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/5CevbpxOgTUNsPuJUTl6RZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87ac1268d808a533986cd9227785b3ee50ad6eb325e4e022bfcbe215c49bf561. 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/5sj4QquUYAhVne8kZCAUtl.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/5sj4QquUYAhVne8kZCAUtl.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x986cae91ee778a34f00a1770b98c6e374e6a0a308ee3d07858b77be91e115884. 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/29SbPOE0itqF50d4HWrcnu.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/29SbPOE0itqF50d4HWrcnu.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0941b4b4c4c4a222557b10dc8292677ddf6f0e9915be311d1ae9526d71f7b2ff. 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/2CcBdf8Xqs3ayGp7cFUP1v.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/2CcBdf8Xqs3ayGp7cFUP1v.
{"copyright_id":"0xf8cec0151ac703aa4a007f6c3808ae647a046ef5953f924b7438162151e05758","isrc":"DEA450811060","name":"In the Silence of the Morning Sunrise","registered_at":"2026-06-08T07:59:40Z","spotify_id":"5p5vY3bPxZWvbtNwaw4RsU","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8cec0151ac703aa4a007f6c3808ae647a046ef5953f924b7438162151e05758. 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/5p5vY3bPxZWvbtNwaw4RsU.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/5p5vY3bPxZWvbtNwaw4RsU.
{"copyright_id":"0x706172f94026ae29c202a5e65f666de5b7b8173d605c0de9fee6d8e75efbfbcd","isrc":"DEA450811070","name":"A Quiet Walk","registered_at":"2026-06-21T14:29:33Z","spotify_id":"5xv8NbZTkNWh5sGnEkgtpZ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x706172f94026ae29c202a5e65f666de5b7b8173d605c0de9fee6d8e75efbfbcd. 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/5xv8NbZTkNWh5sGnEkgtpZ.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/5xv8NbZTkNWh5sGnEkgtpZ.
{"copyright_id":"0xeb40cd2bccbd1e32c9db6639717494cba2cbf270eba6a59c5bfff069d9106050","isrc":"DEA450811080","name":"Haunted Island","registered_at":"2026-06-21T14:33:11Z","spotify_id":"6WEKFsEyPr5szAtpfzMJob","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb40cd2bccbd1e32c9db6639717494cba2cbf270eba6a59c5bfff069d9106050. 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/6WEKFsEyPr5szAtpfzMJob.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/6WEKFsEyPr5szAtpfzMJob.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2668858ed98370ab16a95b59ad04c4dd05fa88e118fa11c6795007d851672d9. 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/6rALak0y2dqmegYq16aRoE.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/6rALak0y2dqmegYq16aRoE.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a284a5075d8cb2627e3b4f49bf9bd7937857c01667ff175277897ae42f28e48. 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/5BihK1ZbV8ghXXBGJ1Rp7T.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/5BihK1ZbV8ghXXBGJ1Rp7T.
{"copyright_id":"0x3adc36aa2658545c67b3e59799fcd3afdb4a908b95470eea5a5135224ff08c57","isrc":"DEA450810950","name":"Sahara City","registered_at":"2026-06-20T15:44:26Z","spotify_id":"5cElOtJMDIgPaOYQoWRMJo","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3adc36aa2658545c67b3e59799fcd3afdb4a908b95470eea5a5135224ff08c57. 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/5cElOtJMDIgPaOYQoWRMJo.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/5cElOtJMDIgPaOYQoWRMJo.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfad2af5628c40dad672a2a5b5112c50357d0489da57bb97b6bd07d6ed9bf4d07. 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/1XGpkUE2LmKnEZEV9Xq2Xa.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/1XGpkUE2LmKnEZEV9Xq2Xa.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ae5c6f461d8d9d717d8c1de8eae1135ac8c91098404b10ddc20fe25f2e16adf. 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/1dOIxRsW6qef22AbeKFduL.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/1dOIxRsW6qef22AbeKFduL.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5d901239407e5af6105d3cdedcfcea31a39c60503f133f504254c024e1f766f. 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/6PI7ij4W1l9FJzqMTXV5eQ.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/6PI7ij4W1l9FJzqMTXV5eQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x638430d5881963c3993a2dd6d8688d3133c997da546c7d72cc2d7efb1a6a975a. 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/5M7eoZxxSGxNacGe9nS5P1.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/5M7eoZxxSGxNacGe9nS5P1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9aea43e79fdb27c6c0d6903078e1a52de34a3f2dcc96d793f3b664132b34bb4b. 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/3ssk2bj3neE70hjRUrNcd8.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/3ssk2bj3neE70hjRUrNcd8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1192a764792cca8c3830645c9b1c018e6a4d9e447979e48987a2c965ee60f57f. 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/68mkOeR0w0PkK1XNoS3dia.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/68mkOeR0w0PkK1XNoS3dia.