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 0x003b5f0708c19c5c5bdd5726547758a8648087c0efe1e8e64c03432758b1225a. 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/cccc0141-ea8a-4834-a488-94d23a7dd11c.json and https://artists.proofprofile.net/proofs/artist/cccc0141-ea8a-4834-a488-94d23a7dd11c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x3e5b12bc0bfefdd121d7d93822a5665db1e82a6ab02c109a31a7c48ac8e8c84e","isrc":"CZA239700169","name":"Jen jednou smím se ti lásko vzdát","registered_at":"2026-06-23T03:40:28Z","spotify_id":"6wZn5ijOCpY0LCmIPntMHX","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 0x3e5b12bc0bfefdd121d7d93822a5665db1e82a6ab02c109a31a7c48ac8e8c84e. 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/6wZn5ijOCpY0LCmIPntMHX.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/6wZn5ijOCpY0LCmIPntMHX.
Jednoho dne se vrátí (Once Upon a Time/Jour tu reviendras)
{"copyright_id":"0x99689c1939d430fa941b573f182f57a32c8a9d3556f2c451027daebb7eda4af7","isrc":"CZA231100078","name":"Jednoho dne se vrátí (Once Upon a Time/Jour tu reviendras)","registered_at":"2026-06-25T19:11:53Z","spotify_id":"0z478dDgxgtumyBtANqMAn","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99689c1939d430fa941b573f182f57a32c8a9d3556f2c451027daebb7eda4af7. 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/0z478dDgxgtumyBtANqMAn.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/0z478dDgxgtumyBtANqMAn.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd2a109c5812b90de1f98a8d8567f8fa1a38f6dc01325e207029d0c39ba5e231. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6YTIPuWh5GGz6WQhsO6ylS.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/6YTIPuWh5GGz6WQhsO6ylS.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d82ba4e57e6243a1ab2ac0e752b913331a4f8aa67af40247d053934815cb904. 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/0GQbeYBQyTqEc8mDbfUmc8.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/0GQbeYBQyTqEc8mDbfUmc8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd2a109c5812b90de1f98a8d8567f8fa1a38f6dc01325e207029d0c39ba5e231. 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/4w3hW2mGqBUC8xVvoWWBis.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/4w3hW2mGqBUC8xVvoWWBis.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5617d0b3803a52316b5b1a919a23fa2f2b5880da816e16841023fdecf79691a4. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7JZnP75eaPm9IyEblDKMad.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/7JZnP75eaPm9IyEblDKMad.
{"copyright_id":"0x3e5b12bc0bfefdd121d7d93822a5665db1e82a6ab02c109a31a7c48ac8e8c84e","isrc":"CZA239700169","name":"Jen jednou smím se ti lásko vzdát","registered_at":"2026-06-23T03:40:28Z","spotify_id":"6i4jWSBcG0ciHXOicDvEGx","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e5b12bc0bfefdd121d7d93822a5665db1e82a6ab02c109a31a7c48ac8e8c84e. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6i4jWSBcG0ciHXOicDvEGx.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/6i4jWSBcG0ciHXOicDvEGx.
{"copyright_id":"0xe66a00e4c76347a3bfe1a802237e96ccb74810691396a3b1f696ed9ebe3cae32","isrc":"CZA239700180","name":"Sen v nás zůstává","registered_at":"2026-06-19T10:09:38Z","spotify_id":"2Qw0FqkEVce7nLbDFtYiLw","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe66a00e4c76347a3bfe1a802237e96ccb74810691396a3b1f696ed9ebe3cae32. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2Qw0FqkEVce7nLbDFtYiLw.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/2Qw0FqkEVce7nLbDFtYiLw.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd2a109c5812b90de1f98a8d8567f8fa1a38f6dc01325e207029d0c39ba5e231. 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/3vp6rTO5yNFgciEP2hv3AX.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/3vp6rTO5yNFgciEP2hv3AX.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5617d0b3803a52316b5b1a919a23fa2f2b5880da816e16841023fdecf79691a4. 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/3rQjKAlfVNaQGvxyQNp6Uo.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/3rQjKAlfVNaQGvxyQNp6Uo.
{"copyright_id":"0x3e5b12bc0bfefdd121d7d93822a5665db1e82a6ab02c109a31a7c48ac8e8c84e","isrc":"CZA239700169","name":"Jen jednou smím se ti lásko vzdát","registered_at":"2026-06-23T03:40:28Z","spotify_id":"3gUYhAbjLdatLDzQjp4bQw","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e5b12bc0bfefdd121d7d93822a5665db1e82a6ab02c109a31a7c48ac8e8c84e. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3gUYhAbjLdatLDzQjp4bQw.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/3gUYhAbjLdatLDzQjp4bQw.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe66a00e4c76347a3bfe1a802237e96ccb74810691396a3b1f696ed9ebe3cae32. 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/112u2nV020We8HEsZSq1Ik.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/112u2nV020We8HEsZSq1Ik.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x096ac2c767a3c4455e02f724faa39463ec781f688be52671857c400d25bbc31e. 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/3PcS8oFfVvunYNqJphzc6R.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/3PcS8oFfVvunYNqJphzc6R.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1ff49c62a0349753c32f8d9bdd17c3a6aa27d504c41578991a862f8517310f2. 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/1Tjnu0K493TnUHJTBYfdyK.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/1Tjnu0K493TnUHJTBYfdyK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4f9f8b4f8477b8d021ff55f75150e9ee242e7a02fc9475e6939914d4c5025c6. 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/1t6miUvn8RC0vZFgjh3D1M.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/1t6miUvn8RC0vZFgjh3D1M.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e0768f0c41511d76f6659d5bbf247e644854c285ef117eff144f1c79553edce. 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/1PZSW12wBQy5HfBeOGZvd2.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/1PZSW12wBQy5HfBeOGZvd2.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4eaa7661cf5f7f29f1c453d06997c4df313f0228d168f2d39e17bad6196b7c18. 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/7vrcVyPAMD6syTYTFPf3Fh.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/7vrcVyPAMD6syTYTFPf3Fh.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8636c888c3e3a024044d4aba45a10a63291b5327c11bb5f5b45bf07a107292d8. 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/0B26v3WQ92f705q7EoJgdO.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/0B26v3WQ92f705q7EoJgdO.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e1d24a92ce6d0235a8dc9948ff73da91780ca8f7a365d16c08639092dffc3d1. 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/3TPWS0qOYbFzYWW0Xa90az.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/3TPWS0qOYbFzYWW0Xa90az.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x511c4c3254e0a5b18fde287922b895fe171cb79933af74048e83881af8b71c25. 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/7yMJVzXwvbKbBJcdGQzsls.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/7yMJVzXwvbKbBJcdGQzsls.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1380312ddbb69a7378fa890f6b0a7665881bd11df6097d6665a4c67a6b6e16e6. 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/1Ko0sIoQ8TuIdVJqivCgKP.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/1Ko0sIoQ8TuIdVJqivCgKP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18d2c8a890d84f89fefae2a1df11c51a67ecd15493f21a83e000be450425218f. 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/60e0hHzDCYXURnHmimO1J2.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/60e0hHzDCYXURnHmimO1J2.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa80d66728130b490a4d1ad085f6f331ffc6953d36b3242ac65b56fc2a69b5b98. 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/52nxqSEaNcJulqxDX55kEm.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/52nxqSEaNcJulqxDX55kEm.
{"copyright_id":"0xd6d68b637f51d1198e95a0856e81b060cdbb1bfa9082d84c4d74bc8c4c6cdb2b","isrc":"CZA239400021","name":"Hana Zaňa (Jinak to nebude)","registered_at":"2026-06-27T11:02:28Z","spotify_id":"2VMPgmTAlSmQ1iOdVaUrWA","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6d68b637f51d1198e95a0856e81b060cdbb1bfa9082d84c4d74bc8c4c6cdb2b. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2VMPgmTAlSmQ1iOdVaUrWA.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/2VMPgmTAlSmQ1iOdVaUrWA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9efd0576501211233953b77a452c7bfe24994c03c32ecd0d88e5b5bbd0a80b34. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5JJKccQSZ7wUVgVOwD2ufK.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/5JJKccQSZ7wUVgVOwD2ufK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9bccd49823ea8eaece45368e17d3952194f55d8d32abd32e7ae036b43f03408b. 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/3fmUOCekph9BbQQPxU9J5q.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/3fmUOCekph9BbQQPxU9J5q.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d07b02c2fb9e8820f65358d5050521190a39b2eb7864a63bd6f1503c6d58a83. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2WTgj3AzRjNC31faVJq9bS.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/2WTgj3AzRjNC31faVJq9bS.
{"copyright_id":"0x9b46e812eaffa48c65804ecb21157fef3feea786f428a28414c1fed92af0d16e","isrc":"CZA161901142","name":"Mám ráda život","registered_at":"2026-06-05T09:24:51Z","spotify_id":"6yhiukksNMTnVSWo7SBmSW","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b46e812eaffa48c65804ecb21157fef3feea786f428a28414c1fed92af0d16e. 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/6yhiukksNMTnVSWo7SBmSW.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/6yhiukksNMTnVSWo7SBmSW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4bc8245dd0ed5473d57da465c5c0600067856f6413c10510660206a9e8018e96. 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/6cyMspqxdueCsIVvQL9RjK.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/6cyMspqxdueCsIVvQL9RjK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62366b058e160f8437e022fd82d07b0b5521447a954abe300be4d102847b10da. 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/0NOCFxjfpAxkK5aeNQ483e.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/0NOCFxjfpAxkK5aeNQ483e.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3153338af486e6e05d35d433df2f4a53d2fd4bb04bac4077f6294dd1091ad43. 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/18iTm2hMUGIu9gxoo7IsgP.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/18iTm2hMUGIu9gxoo7IsgP.
{"copyright_id":"0xaa9dff944c71c22deba73a1451c00ead98ab402c3642ed6e64b122f6d8daba46","isrc":"CZA161901140","name":"Hořká jako rtuť","registered_at":"2026-06-21T18:39:30Z","spotify_id":"6OOakXK1qGjey6FEHHD2lv","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa9dff944c71c22deba73a1451c00ead98ab402c3642ed6e64b122f6d8daba46. 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/6OOakXK1qGjey6FEHHD2lv.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/6OOakXK1qGjey6FEHHD2lv.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ef38a0edf73ba5109300a9f3046062f97646eca0a79711991de01143c6b8c93. 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/4Z7Ij0p4HJRdfPvXip3Xv6.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/4Z7Ij0p4HJRdfPvXip3Xv6.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49a4be1c274ddde8fe4d9d1ebd6d079bb085e91c67cdb17d7b9a7044e3a10e0c. 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/4HDNVe0U9nwxlt9M62B1f5.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/4HDNVe0U9nwxlt9M62B1f5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x567f69e8685a6e142c6fd6c014029978611127058c58d9833221905488e9339c. 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/7ijtbN6gPViZWp0WSp8hbW.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/7ijtbN6gPViZWp0WSp8hbW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0cd64afaf2edcb4b4b136a4e56f629048991ae830b7d200d6a432d24b17f9a3f. 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/1XHRRjdtXbERreHQHAuKhQ.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/1XHRRjdtXbERreHQHAuKhQ.
{"copyright_id":"0x0d3631aef56237ec3f9a44a71b9cdc7a4b64cdf631be2d52e8fd57febd7c4062","isrc":"CZA161901138","name":"Cirkus bude","registered_at":"2026-06-21T07:45:37Z","spotify_id":"3iGcnFySXyaO0TFf6Xxk0A","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d3631aef56237ec3f9a44a71b9cdc7a4b64cdf631be2d52e8fd57febd7c4062. 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/3iGcnFySXyaO0TFf6Xxk0A.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/3iGcnFySXyaO0TFf6Xxk0A.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e49e99413d27f72d113c2831b8e69c6cd61473fdbdc527d174f82f3940f6311. 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/3gNfqg3VhXtQLR9yf4RqlE.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/3gNfqg3VhXtQLR9yf4RqlE.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57fae9d844a223ddce4ba9453de1547452871f96719188fde2abbd997286023d. 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/2Z8Gf75ht282EKYrodB679.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/2Z8Gf75ht282EKYrodB679.
{"copyright_id":"0xbf26ac33ae93e3d79f3ff0414909a0c9337abb2bd6c57069ae0e855d2748183a","isrc":"CZA161901146","name":"Pojď klidně spát","registered_at":"2026-06-27T10:59:06Z","spotify_id":"4XwYYqazcIKuTHUFEoASo8","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf26ac33ae93e3d79f3ff0414909a0c9337abb2bd6c57069ae0e855d2748183a. 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/4XwYYqazcIKuTHUFEoASo8.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/4XwYYqazcIKuTHUFEoASo8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79cf5ee95c65dea7975b28d73384f97f391ea37a46f0fc0982725a84e8ccd440. 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/2wMhWkRSdZd5h7EQVXEB1v.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/2wMhWkRSdZd5h7EQVXEB1v.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58c434841bbd93e7fc0d8cc3f479e250f1a2da58698a2de09467c96d622f79fa. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3f2siJ7zFbqbf7CkLIVZ5y.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/3f2siJ7zFbqbf7CkLIVZ5y.
Whaw Whaw George Denis - feat. Oto Klempir, Michal Viktorik
Black Pieces - feat. Michal Kocab, Ondrej Soukup, Prazsti pevci
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15d7667e3f1ab24a829d0410b4c3bdfb90744339639532a6292d2b5712f43563. 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/47aTs70adf42fafL76XUv2.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/47aTs70adf42fafL76XUv2.
Věčný příběh [Every Story Is A Love Story]
Právo žít [A Step Too Far] [feat. Vaclav Noid Barta]
{"copyright_id":"0x025b8b74402c0c8a86328fabfec420226c7766fd59fd07139c7bd0927e90ebec","isrc":"CZA230800484","name":"Symbol žen (Every Woman In The World)","registered_at":"2026-06-22T06:26:56Z","spotify_id":"4MioGK5oZAWcnyXVcP2hae","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x025b8b74402c0c8a86328fabfec420226c7766fd59fd07139c7bd0927e90ebec. 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/4MioGK5oZAWcnyXVcP2hae.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/4MioGK5oZAWcnyXVcP2hae.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xddcf58ebab7d19ae545796e92b5d761567893383da33ffc6a13245c101ec329f. 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/3yJeghNRdFfNsKaRm8hUvd.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/3yJeghNRdFfNsKaRm8hUvd.
{"copyright_id":"0xa29d46da30e29ab1ac9b02b47775a66b72fdcba1e392d9be846426a3d9303ff9","isrc":"CZA239700339","name":"Jsi můj pán - 1997 Remastered Version","registered_at":"2026-06-09T19:00:36Z","spotify_id":"2ztJHyf0cnm8hSJuIjGbNw","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa29d46da30e29ab1ac9b02b47775a66b72fdcba1e392d9be846426a3d9303ff9. 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/2ztJHyf0cnm8hSJuIjGbNw.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/2ztJHyf0cnm8hSJuIjGbNw.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d07b02c2fb9e8820f65358d5050521190a39b2eb7864a63bd6f1503c6d58a83. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/50lZKkOt8jgNmP7stHXDiO.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/50lZKkOt8jgNmP7stHXDiO.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78398c7cf3206f58f9d083f9baee0bd2a1790960f7908b8d97c565090155d6dc. 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/3QpncqNTTXgtzVik7OXgIS.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/3QpncqNTTXgtzVik7OXgIS.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e900d33017744e687735e49ba3fb288b0e0e786262f3bd68a8ad5133522f66b. 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/7fhnYxFq7E9DXdW8KBXqpm.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/7fhnYxFq7E9DXdW8KBXqpm.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e1c58c4c7f7b15f434ce7d784b39678b73a36b786a3b5199281da164725fd7f. 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/5vrJbnp7UemvYm7cwGZrTZ.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/5vrJbnp7UemvYm7cwGZrTZ.
Lucie Bílá/Richard Tesarik/Vladimir Tesarik
Svítání (I'd Really Love to See You Tonight )
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfbc6c19a5821b356fe118ab09a5115e22d5e23e7933f2ceebfc907eb854fb12a. 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/40diZIHhiDFLdQ2zcD368p.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/40diZIHhiDFLdQ2zcD368p.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xddcf58ebab7d19ae545796e92b5d761567893383da33ffc6a13245c101ec329f. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/60hTjy7m3DtoT5HlCH4e4C.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/60hTjy7m3DtoT5HlCH4e4C.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d07b02c2fb9e8820f65358d5050521190a39b2eb7864a63bd6f1503c6d58a83. 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/7AgGz9k28HWmMwhafQTvwq.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/7AgGz9k28HWmMwhafQTvwq.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x291de52099a3cabc7a6d6f368c2552f5460b7792775859bdbcbe27df681f44d0. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1BSKtJozx9wvn6Fwk6xo7f.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/1BSKtJozx9wvn6Fwk6xo7f.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65de8ea7a826f35326e73481be12a68755d278ffe7ef1dfc03e50c94270062db. 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/3XFR1SWMIDiJbIBxdslZhr.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/3XFR1SWMIDiJbIBxdslZhr.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x291de52099a3cabc7a6d6f368c2552f5460b7792775859bdbcbe27df681f44d0. 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/1BghPdEydkrVpISCmJW49b.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/1BghPdEydkrVpISCmJW49b.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x044ad2d5fbf6554ee5e44aaebf6fce141c2ca4c065a6667a173d419566ff6b00. 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/6q16UCLnIHj310rRNqAlOf.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/6q16UCLnIHj310rRNqAlOf.
S cizim chlapem v cizim pokoji - Radio Edit /Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69261efd672fcf90c7b0e0235e540563e318628e1b7217f496fa581ebef9a102. 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/2EUkiRsRs8e9xXKqtLENme.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/2EUkiRsRs8e9xXKqtLENme.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9efd0576501211233953b77a452c7bfe24994c03c32ecd0d88e5b5bbd0a80b34. 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/4d7xMyovqMpJFLnUJsBlk9.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/4d7xMyovqMpJFLnUJsBlk9.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b2c1b38c828e78bd29cad13c41c841468c04af9ba360445a8a7af2b119df277. 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/326zyuiEwIly3vZ8ynYmTT.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/326zyuiEwIly3vZ8ynYmTT.
{"copyright_id":"0xfbc6c19a5821b356fe118ab09a5115e22d5e23e7933f2ceebfc907eb854fb12a","isrc":"CZA239800783","name":"Tiché gloria","registered_at":"2026-06-27T11:12:06Z","spotify_id":"7MI5DgSXzVfqD6Ea4AtcRR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfbc6c19a5821b356fe118ab09a5115e22d5e23e7933f2ceebfc907eb854fb12a. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7MI5DgSXzVfqD6Ea4AtcRR.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/7MI5DgSXzVfqD6Ea4AtcRR.
Pískovec (You Don't Have To Say/Io Che Non Vivo Senza Te)
Hvězdy jako hvězdy (Dream A Little Dream Of Me)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57a2ca8120a11c157710652226fcf7bd0f0716683430e30a3a3e5c36bbe4620b. 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/79EAgLVsFbUf7b7VxbTEUj.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/79EAgLVsFbUf7b7VxbTEUj.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47481b26ac7720352e88329f6a776f693ed64a68ec1020d138c8fa68b922dab8. 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/5QiIZ0FUt2ULQIYeJjPQkx.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/5QiIZ0FUt2ULQIYeJjPQkx.
Noc je jak satén (Nights In White Satin)
{"copyright_id":"0x5c81880214c8316acb790f06c75f7be4864fce96b6f819cf01c4422817c3a221","isrc":"CZA239800063","name":"Zpíváš mi requiem (Only One Woman)","registered_at":"2026-06-07T08:37:32Z","spotify_id":"0uFLFQb3cuQ1jHlgA9Igtl","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c81880214c8316acb790f06c75f7be4864fce96b6f819cf01c4422817c3a221. 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/0uFLFQb3cuQ1jHlgA9Igtl.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/0uFLFQb3cuQ1jHlgA9Igtl.
{"copyright_id":"0x59f3544eb95c60a5123eb637f69b9e467a823a8d6c26e7a4015c4e65ef28d2aa","isrc":"CZA239800064","name":"Žádný party (It' S My Party)","registered_at":"2026-06-21T07:49:46Z","spotify_id":"3rsYLSIwQN6HGrlCV4T8wc","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59f3544eb95c60a5123eb637f69b9e467a823a8d6c26e7a4015c4e65ef28d2aa. 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/3rsYLSIwQN6HGrlCV4T8wc.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/3rsYLSIwQN6HGrlCV4T8wc.
Srdce buší (Funny Familiar Forgotten Feelings)
{"copyright_id":"0xd6d68b637f51d1198e95a0856e81b060cdbb1bfa9082d84c4d74bc8c4c6cdb2b","isrc":"CZA239400021","name":"Hana Zaňa (Jinak to nebude)","registered_at":"2026-06-27T11:02:28Z","spotify_id":"2V4nMVjPQBBh13zMdjVOF4","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6d68b637f51d1198e95a0856e81b060cdbb1bfa9082d84c4d74bc8c4c6cdb2b. 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/2V4nMVjPQBBh13zMdjVOF4.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/2V4nMVjPQBBh13zMdjVOF4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58c434841bbd93e7fc0d8cc3f479e250f1a2da58698a2de09467c96d622f79fa. 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/2c8LLW7jxx2iYSD0OPitd9.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/2c8LLW7jxx2iYSD0OPitd9.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18d2c8a890d84f89fefae2a1df11c51a67ecd15493f21a83e000be450425218f. 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/741yRxPY3DE9RB7E60ir4y.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/741yRxPY3DE9RB7E60ir4y.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c662b394742c0fc15c4f416b4029648cde340f022be9f6640eca9f7222c330b. 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/5OeS7miULzlucDQz2eUyi4.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/5OeS7miULzlucDQz2eUyi4.
{"copyright_id":"0xf746dacde0efd739bef56d726d792587c7e5a31e6ae6d1ab961f24bb96bf3507","isrc":"CZA162400622","name":"Stroj času","registered_at":"2026-06-24T18:37:42Z","spotify_id":"1iwXoIT7BzhSqWQUu1dHzc","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf746dacde0efd739bef56d726d792587c7e5a31e6ae6d1ab961f24bb96bf3507. 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/1iwXoIT7BzhSqWQUu1dHzc.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/1iwXoIT7BzhSqWQUu1dHzc.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31c491024e383d8f07347fa4d969349266d627d4e11626b47f6513c5b6962549. 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/0GmENimI2kyVOYVrAgDfoO.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/0GmENimI2kyVOYVrAgDfoO.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb09ace4bc29955601c57e6b8ecf49f49e3d4315cf2c62877ca485fa82c1696b4. 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/1b9wZ25aLjBh22Bcy31vjG.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/1b9wZ25aLjBh22Bcy31vjG.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x502815ca6a5e4168d82e90ccd003dd344ec07f7b8a852c7367b7e390efd471f0. 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/2VOo3uHQA4PoGuVfUCFtxM.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/2VOo3uHQA4PoGuVfUCFtxM.
{"copyright_id":"0x96920891e5af6ffcb6a133b5371ada8cb594ab4d59b3e1bedbb4e6136a04e4d2","isrc":"CZA162300341","name":"Ej, lásko","registered_at":"2026-06-09T19:28:19Z","spotify_id":"3wnvkeuBINxC7p5KqTPiDz","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96920891e5af6ffcb6a133b5371ada8cb594ab4d59b3e1bedbb4e6136a04e4d2. 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/3wnvkeuBINxC7p5KqTPiDz.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/3wnvkeuBINxC7p5KqTPiDz.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1380312ddbb69a7378fa890f6b0a7665881bd11df6097d6665a4c67a6b6e16e6. 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/21M9hGrJ8Iv9F39jFT8n7B.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/21M9hGrJ8Iv9F39jFT8n7B.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80756d9860e8a986ea7f5b4546533ee0c918b3d3ac51052667c3f6bd39bd2a6a. 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/1Xa2Y5ZpDPrH0Laygi1mCZ.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/1Xa2Y5ZpDPrH0Laygi1mCZ.
{"copyright_id":"0xf581f28635db9c27a448b62c2327fcbde8fbb7ceaf1632fc52e54058cffbfea8","isrc":"CZA162200382","name":"Jednu malou chvíli","registered_at":"2026-06-04T14:18:35Z","spotify_id":"6d0t7i8XNmikOn5WTvfjw4","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf581f28635db9c27a448b62c2327fcbde8fbb7ceaf1632fc52e54058cffbfea8. 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/6d0t7i8XNmikOn5WTvfjw4.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/6d0t7i8XNmikOn5WTvfjw4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74bc6e243e5500af11533141c9d1f70578b873a7f88917c2a942dd951cc0ae67. 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/6wIa2yVDueIcPepoYD5L2O.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/6wIa2yVDueIcPepoYD5L2O.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad78805e41a08b401d0cac430fb7cc54b229072a11e94199e844548f46274f07. 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/61EXKk6xCqZwFnTTDMbO7C.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/61EXKk6xCqZwFnTTDMbO7C.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e900d33017744e687735e49ba3fb288b0e0e786262f3bd68a8ad5133522f66b. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3L830ys74vPcD3kaSbNVOJ.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/3L830ys74vPcD3kaSbNVOJ.