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 0xc04749de29d273da9ef45d7df92cada4ab585ac0d1c0bac828d418b8b7198f19. 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/62a9015d-497e-486a-ad20-8bca48d237ad.json and https://artists.proofprofile.net/proofs/artist/62a9015d-497e-486a-ad20-8bca48d237ad.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0ef73c84e6929c0750f203372d8d58d164413c76a331f2b2f35ebb70b2ec686. 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/0A71HAuZlpQJFqsEJKYgtP.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/0A71HAuZlpQJFqsEJKYgtP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd82a08f9f685f8c94defe0507d24e5e3b5ac054cb6205d6a87cd045747fb2dd9. 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/6hR4Bc18oOxTQlLKP7rLNx.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/6hR4Bc18oOxTQlLKP7rLNx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5149c16a892ed09ecb82b9451bc94522e9da9f073d45468afcd1723e15d07ac6. 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/0zU8wjD5gPtzhFhwt4QbVh.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/0zU8wjD5gPtzhFhwt4QbVh.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x643f20802d3cb41359b7a0b63830360d070d836b09f1fc4c7d60a9b3470a077c. 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/0CstkDBh4eGudG6oYO1oJt.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/0CstkDBh4eGudG6oYO1oJt.
{"copyright_id":"0x848f20f29b3e8f7d99ce1dca48f1edada3451c36e0d9c2e4fc3a64dbdcf74fb5","isrc":"UKG8V1600055","name":"I'm an Asshunter, Gimme That Booty","registered_at":"2026-06-20T15:11:38Z","spotify_id":"7s7RL1JN7eFt9Ywd5In7J6","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x848f20f29b3e8f7d99ce1dca48f1edada3451c36e0d9c2e4fc3a64dbdcf74fb5. 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/7s7RL1JN7eFt9Ywd5In7J6.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/7s7RL1JN7eFt9Ywd5In7J6.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeff1397e81572e736d5098603d8506806707f34e083bbdaf3cc8b43a8ebe882c. 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/71fzJLeGGQVr4jpjzR0Ltx.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/71fzJLeGGQVr4jpjzR0Ltx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc018f118db455d603e2a4eb15d508c795f7cef45c29b9498c9cef39c18bf7f81. 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/1mfBTJLxCrD9ggsWzfUVA7.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/1mfBTJLxCrD9ggsWzfUVA7.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5ad6fbcb57c6af402b6cf40d81c18e2d98cb68023a52177ff2039aa5c3ea03a. 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/7u9EfRDqReSUTECGsMwsmb.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/7u9EfRDqReSUTECGsMwsmb.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2512e92033bb840f0d4ed43786e23574cfcf72b9e59b7b29a63210e50d661b4c. 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/0HTeTevgIVmdxHTJf6sF5K.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/0HTeTevgIVmdxHTJf6sF5K.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde694799b0ca6c7e390b0d1ed9bcd581ace9217e71b36cdc43efa026b887d240. 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/0P0kqV2E75Xo0X4fhjY4Qk.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/0P0kqV2E75Xo0X4fhjY4Qk.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x700511fccc777b96e1576137848ee9721b6c217b91c073261d3666295d4b8f27. 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/4GebphJ89UI5FBHaEhLAKr.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/4GebphJ89UI5FBHaEhLAKr.
{"copyright_id":"0x3addfa9f14f49d3c32e48e7fc984cb1bea0b9f3ab418e7c5887ad8553e6aab7a","isrc":"UKG8V2000650","name":"Rainbow Factory","registered_at":"2026-06-04T08:23:54Z","spotify_id":"0vVmRD5Lid0BYnZh3wQtfj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3addfa9f14f49d3c32e48e7fc984cb1bea0b9f3ab418e7c5887ad8553e6aab7a. 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/0vVmRD5Lid0BYnZh3wQtfj.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/0vVmRD5Lid0BYnZh3wQtfj.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4bfab31b15d58624f4f4638d901e1a659e103b0ecd46ab96b1f348ba88b47305. 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/6h4bwYaH8nZPb2ydRoBT39.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/6h4bwYaH8nZPb2ydRoBT39.
{"copyright_id":"0xa3c580693a0dfde378456b434211fab9d29340a71a6f0546ef9c49b984fa1f8a","isrc":"GBSMU2658084","name":"Rainbow Factory - Aurelleah Remix","registered_at":"2026-06-07T23:00:54Z","spotify_id":"42hOtrjQ4mezUHWyjO0o0z","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3c580693a0dfde378456b434211fab9d29340a71a6f0546ef9c49b984fa1f8a. 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/42hOtrjQ4mezUHWyjO0o0z.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/42hOtrjQ4mezUHWyjO0o0z.
{"copyright_id":"0xe553de1abae08b7ac37db1cbe317464b19d5a608ad97a3d6624241a7aa41ffdb","isrc":"QM4TW1601444","name":"Let the sunshine in - Remix","registered_at":"2026-06-08T20:46:22Z","spotify_id":"14tsSu94gAHfmd4EfhAdy1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe553de1abae08b7ac37db1cbe317464b19d5a608ad97a3d6624241a7aa41ffdb. 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/14tsSu94gAHfmd4EfhAdy1.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/14tsSu94gAHfmd4EfhAdy1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6cf425a13a7597ebe2e65f7bb23709b2d22d815e03d21d59e07672816e49ab8b. 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/2TqpjxGx727bwfaj2ba12A.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/2TqpjxGx727bwfaj2ba12A.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x343d00b5e589ad72ae90ccdf3685d8c04443a5d0309a10660da107fe6447adff. 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/6eQQLxpKeoNqwT90zSD4Em.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/6eQQLxpKeoNqwT90zSD4Em.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa513582ef591933be5509ddc882292117854f66cec2f0d8ce3656fe058467ac4. 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/0C6h649YaR3yJSO7NOVN2o.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/0C6h649YaR3yJSO7NOVN2o.
{"copyright_id":"0xd05faa5dae56291243d07ade90687d313c0eb911781bd7f749a778b7160ce566","isrc":"QMFMF1566152","name":"Kalokerina rantevou","registered_at":"2026-06-05T09:59:13Z","spotify_id":"1Q0LJsWlS3jgZnWfrutDzj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd05faa5dae56291243d07ade90687d313c0eb911781bd7f749a778b7160ce566. 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/1Q0LJsWlS3jgZnWfrutDzj.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/1Q0LJsWlS3jgZnWfrutDzj.
{"copyright_id":"0xe658ed403bf720d9a326e77bb2e59fbd62ecc163daebc3def67bba864bedeeb9","isrc":"GRS010300255","name":"Tenia fantasias","registered_at":"2026-06-05T13:49:20Z","spotify_id":"5QYdcjA1U29yzcYVRkwN7R","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe658ed403bf720d9a326e77bb2e59fbd62ecc163daebc3def67bba864bedeeb9. 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/5QYdcjA1U29yzcYVRkwN7R.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/5QYdcjA1U29yzcYVRkwN7R.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53ada4fa0c26779c2726d52976f41007350858d99664c6313d8fedf5bfa9e321. 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/7MOaPEC8ORyCAtGF74Bboq.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/7MOaPEC8ORyCAtGF74Bboq.
{"copyright_id":"0xb4d4fe998decbf4bfe6cac2cef8180a9fb31d3a26a7f0c04d9fb769aba86a777","isrc":"GRS010200358","name":"Pes' to ksana","registered_at":"2026-06-04T16:35:11Z","spotify_id":"5oRAu2zJR6klerJvA1VlNN","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4d4fe998decbf4bfe6cac2cef8180a9fb31d3a26a7f0c04d9fb769aba86a777. 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/5oRAu2zJR6klerJvA1VlNN.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/5oRAu2zJR6klerJvA1VlNN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86574d522e012d638b611f1e847d7dc6a939df779fb52f10a0474fe7d772efe4. 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/5aPTPxXnIAILzwQeQCZzO6.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/5aPTPxXnIAILzwQeQCZzO6.
{"copyright_id":"0xe4ababcb963412c61b455435fe081ed33cd0cdfbb9768d2e1257e0f0cab9eda2","isrc":"GRPW11400033","name":"Tha se thimame","registered_at":"2026-06-20T13:42:01Z","spotify_id":"0cKyyN0YxpoLMF8ctcR4Bi","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4ababcb963412c61b455435fe081ed33cd0cdfbb9768d2e1257e0f0cab9eda2. 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/0cKyyN0YxpoLMF8ctcR4Bi.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/0cKyyN0YxpoLMF8ctcR4Bi.
{"copyright_id":"0x8cf7c4bc48da8067fec3c1cb7ad7a4073f6c159e1e176f434ad38ab5f1f47114","isrc":"GRS010200010","name":"Ta thalassoksila","registered_at":"2026-06-21T09:58:21Z","spotify_id":"3Q5fyWxn6amVexcPtu0Wpw","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8cf7c4bc48da8067fec3c1cb7ad7a4073f6c159e1e176f434ad38ab5f1f47114. 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/3Q5fyWxn6amVexcPtu0Wpw.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/3Q5fyWxn6amVexcPtu0Wpw.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c98fd77bf86e867702b110d304d6d542eb70277020070531a1e2c9c6063500e. 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/4R4rTVdQKPD76l91Co1ROW.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/4R4rTVdQKPD76l91Co1ROW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44a26c4b3dc3f415887ff2eff0f89f849353fcbc4527415fd138819de62ea81c. 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/22ktl17KydDi31UDKN95zs.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/22ktl17KydDi31UDKN95zs.
Every way that I can - English Radio Edit
{"copyright_id":"0x866c7f55a65cc3a6bfd01658d90050bdb0b94cc3032583eb8d0d2d492b694d19","isrc":"TRA160300429","name":"Every way that I can - English Radio Edit","registered_at":"2026-06-05T10:03:38Z","spotify_id":"5Hi2aJQzS0U7u1wwo8WIFp","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x866c7f55a65cc3a6bfd01658d90050bdb0b94cc3032583eb8d0d2d492b694d19. 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/5Hi2aJQzS0U7u1wwo8WIFp.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/5Hi2aJQzS0U7u1wwo8WIFp.
Tosa Kalokeria / Ekino To Proi Stin Kifisia