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 0x18ba4d269a2160d220777f195a3288b2dfb84e8b87297aca6fb4f41b299d01b7. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3eed8416-74f2-459c-8f20-1c2a4f2e19c2.json and https://artists.proofprofile.net/proofs/artist/3eed8416-74f2-459c-8f20-1c2a4f2e19c2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x9665a78cf16e3ba8f1acaf19f3ee4ff01057ed2a7c81eb36e3000f0df3eec9fa","isrc":"PLS282200166","name":"Jan Walczuk","registered_at":"2026-06-08T20:42:09Z","spotify_id":"4ywye5WuMH4wUpa5UNC6C5","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 0x9665a78cf16e3ba8f1acaf19f3ee4ff01057ed2a7c81eb36e3000f0df3eec9fa. 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/4ywye5WuMH4wUpa5UNC6C5.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/4ywye5WuMH4wUpa5UNC6C5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41ad9036c03996fb42e881f254f90987ef65bfacc8627c146cc1816a93a9a806. 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/4b0Axh1AsyHf3BKReDhlvz.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/4b0Axh1AsyHf3BKReDhlvz.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4d10995cceafcfcea485912ab60bdbc720c1c7c1d91e37d75f0c1b41bb94c9d. 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/0rmr4KdprMz5neVtl19psm.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/0rmr4KdprMz5neVtl19psm.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0dca8202e22f0f153a75b9d8489791276f686df4b6db28041676ff270669bc46. 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/2HDdrMythZAIF4VRpvMRpz.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/2HDdrMythZAIF4VRpvMRpz.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d367115195be60f251ecee1619e15308272927055d288e2e6b106785af1f24f. 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/5XBqrvH33G1MvfESTMR1XO.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/5XBqrvH33G1MvfESTMR1XO.
{"copyright_id":"0xa67faded9ea27b4df5f6b5e247c916022c5312f906c14c8f4ea65b3fe22bccea","isrc":"PLS282200192","name":"Open Bar","registered_at":"2026-06-21T03:46:00Z","spotify_id":"42RMlp8z0wgnCKdi3kEL4p","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa67faded9ea27b4df5f6b5e247c916022c5312f906c14c8f4ea65b3fe22bccea. 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/42RMlp8z0wgnCKdi3kEL4p.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/42RMlp8z0wgnCKdi3kEL4p.
{"copyright_id":"0x4fd0f523ce5f1c2e3ae6a3eaa5369f1656407988e9ae273545c6dbab443e72ca","isrc":"PLS282200193","name":"Komu w drogę temu pass","registered_at":"2026-06-07T13:57:48Z","spotify_id":"3it1L7KonAWMuq2sXctFfW","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4fd0f523ce5f1c2e3ae6a3eaa5369f1656407988e9ae273545c6dbab443e72ca. 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/3it1L7KonAWMuq2sXctFfW.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/3it1L7KonAWMuq2sXctFfW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e6ea786a24d1a5559042803a09be75663965007df598be6d43bf83baf513bca. 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/13Dox2t07xgHAO73nVl7Wx.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/13Dox2t07xgHAO73nVl7Wx.
{"copyright_id":"0x51171dc6805438198510edc3ad992463a39826c7fcc71b4b271a3f71b2db4b65","isrc":"PLS282200186","name":"Nienawidzę Janusza Walczuka","registered_at":"2026-06-09T07:53:05Z","spotify_id":"5JoRrEdjacNrvIcCz08XRR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51171dc6805438198510edc3ad992463a39826c7fcc71b4b271a3f71b2db4b65. 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/5JoRrEdjacNrvIcCz08XRR.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/5JoRrEdjacNrvIcCz08XRR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d2311a2625365dbac4c13f8bc71f50c0c9c117a99c30ff5a2f61871a690748d. 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/3XjbZDP86KWy0T6bz2v0RV.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/3XjbZDP86KWy0T6bz2v0RV.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9052987552adf4c082ffe97ffb7bb822e1516a8b87e6d2cbd79805d84740c030. 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/1dWOMM9pMY6NhiXIzf0Nxe.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/1dWOMM9pMY6NhiXIzf0Nxe.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc071cc44bf5878768d88e646138bde58b9ef023622ce63a2fdcc33c929aa1099. 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/2oFGcbgA8JlprRwKyedQto.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/2oFGcbgA8JlprRwKyedQto.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd85e5a7b33c172e5c192c37dd1eb6055e8ec92d99df42ca77bef3f8fbd5732ea. 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/2OjRqMDjH2aaCNSdpqVApA.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/2OjRqMDjH2aaCNSdpqVApA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x880d39f41d40fb274ad507661737ea6d79c65b42f736a38054edc5a29cf45d7b. 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/68cuq29VgVXl7WhHEiTb9R.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/68cuq29VgVXl7WhHEiTb9R.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55d6d9a749d3ff7b24e21be472876378d5df378b9149c59fd302aca52fa51de7. 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/1YSaFnKNUOgTbw2KI2qouz.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/1YSaFnKNUOgTbw2KI2qouz.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd558c92d69b1a7d70eb29be8cf255212594b246bfeba5a031743e82a701c018e. 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/3W0l3PN4fQbA3FZtSthuui.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/3W0l3PN4fQbA3FZtSthuui.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab96e92324b34a1a710ded211ac06d2277e009792f39ad397634a9555817b5bd. 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/6fh0aioQQR2sLrLxl0Vqlc.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/6fh0aioQQR2sLrLxl0Vqlc.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x450067b66278b75d4b731d0f38b300cb871b9355f7d6b5aca6e6c4ee21a7a2d6. 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/3r8JG99Ps0AGOIKwnh1wpU.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/3r8JG99Ps0AGOIKwnh1wpU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ce8cf7bdc1ca49b13c0387fcc76fb5044ce211eeba4a023b644c88f1c8e9acb. 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/2Xz0EipuPPS6RQlQKhnJ6r.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/2Xz0EipuPPS6RQlQKhnJ6r.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xedf125fba0269c3f7924c13622d9989ffeea0744c32de6bd4fc3ecef24368948. 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/6uwxu9to1nPmT9hjiNPrJe.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/6uwxu9to1nPmT9hjiNPrJe.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6eb40d4f280d32ca7da22772e11038cf5fb6952ff06793ccec22af5101f801d4. 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/5H1i4qOtQWD2nFNG6DGX6U.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/5H1i4qOtQWD2nFNG6DGX6U.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb4eca6769077a7673ebcfc94e1cb722c6a5c84e025d1e6487a67b3cf7353905. 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/7y9E6o1Ps13ch1QF3z94u2.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/7y9E6o1Ps13ch1QF3z94u2.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf11cdf8f0f6c9a387375770cb932daa5b4898ec6b14c6626fe9a41cba0ddcecc. 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/1aVekesop8M64CAQzZMJU2.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/1aVekesop8M64CAQzZMJU2.
{"copyright_id":"0x72caf75f27ed17cf34bec87aa214642cb1f9b93cea14832c6314ba84faf3f899","isrc":"PLF242108545","name":"Nienawidzę wszystkich","registered_at":"2026-06-05T16:44:23Z","spotify_id":"4nEB9ICh8fhp1UaHJrfg7q","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72caf75f27ed17cf34bec87aa214642cb1f9b93cea14832c6314ba84faf3f899. 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/4nEB9ICh8fhp1UaHJrfg7q.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/4nEB9ICh8fhp1UaHJrfg7q.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad845cf2b9387e06a3efc26e9ccafe865699d7c5961e33db0f0d716db41b061f. 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/3K59mSobnXQD8UD1LUJF3r.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/3K59mSobnXQD8UD1LUJF3r.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41707ffd5b7874035772ccbda6136dd005d51dc1b3aeb136f46e08a8b8981fc4. 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/0Srfvbb0Bbcz7rCDzN15eN.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/0Srfvbb0Bbcz7rCDzN15eN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7bafa50dd7b9f23553b783e45c8b63d10f8464ab5e3308325534f924ad259c00. 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/2fH3d90g9KMYRIcuAUqq9r.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/2fH3d90g9KMYRIcuAUqq9r.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe481b9cba3980ea1446a914fbc5dd7de3a1e4d84b039ef2f955ceef73c0bc760. 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/0mdZh4yFj9ALEayW2jR81Q.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/0mdZh4yFj9ALEayW2jR81Q.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xadbec7119ab90c22520123a7178ef68a1d722b63b9efea94529c11df14182aa5. 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/2wRm92emgoKJcXQimKuhqA.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/2wRm92emgoKJcXQimKuhqA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6bce327a569425909446ef5d09b1a40c5262a991f09038ac0635a3979f4c5066. 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/6xxZLGRzLgrR7HWrAPZ3Li.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/6xxZLGRzLgrR7HWrAPZ3Li.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x586abfddd700a5b77dd15c2f6095bef704b39f299a84d9159d2692f33ad3c929. 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/1pMQypGaEgBJRVDrtYZWde.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/1pMQypGaEgBJRVDrtYZWde.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b81243774892a7253d926fcbded8c35870428cb5fdb97451a297b92efe45e93. 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/2w9PWnEhQhlRbtdJdg2lmS.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/2w9PWnEhQhlRbtdJdg2lmS.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0077698bb3709eecf45f82125bbc3a8bac9880063d864d40c3fb72cb5fa001d6. 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/3TW9eB58nAKfEzcqy4DsCY.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/3TW9eB58nAKfEzcqy4DsCY.
{"copyright_id":"0xaf35d57955db1e26d69c0e33f2a2ddbb8c13bcfea271a5c4453efce326a3bb15","isrc":"PL59G2100197","name":"Kingda Ka","registered_at":"2026-06-05T09:35:30Z","spotify_id":"2Fm0azLGAYG0jCnNdCB3KO","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf35d57955db1e26d69c0e33f2a2ddbb8c13bcfea271a5c4453efce326a3bb15. 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/2Fm0azLGAYG0jCnNdCB3KO.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/2Fm0azLGAYG0jCnNdCB3KO.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x533a0b146f82ba302d25a2bb0efaee1854c95e94b7e3062f99e2b87a5ddafa33. 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/0CFIZebj9lDm7dHj9zGQKk.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/0CFIZebj9lDm7dHj9zGQKk.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3928b90ecbd9631034ee5fe20eb3d1a1b8996344e2a0727d6bc4c48a3337461. 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/1ULdOnB82C4VL9naZyiCJS.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/1ULdOnB82C4VL9naZyiCJS.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5dcc71866e7ceaf1e132f97eb9baa983f832c45afb0a11bbc1ee06b5dea32dc0. 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/51j100Uhx49lZZNT9jgT5m.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/51j100Uhx49lZZNT9jgT5m.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7529b2208819c9e87ad6b667616fd4616e06f76e6e27b3c3dc21c7fa107b508. 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/79acXuJIJ15zh1tT6gk7VQ.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/79acXuJIJ15zh1tT6gk7VQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ca89a847191ae4f8b8eef92fabf2ea6347d2df28ee5c6b2b2b426267cce90b1. 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/3pYq7SfFSvJ7UEqtT4lTn7.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/3pYq7SfFSvJ7UEqtT4lTn7.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0229593a5ffeda69fb9a9edd1a500ce6bda185cd1e9ae2c2eb6562adc31ebbc1. 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/7xkZ6HfaTE8yqK2rRHqdML.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/7xkZ6HfaTE8yqK2rRHqdML.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf367f1a2e08c0527507106850e722777e2a93aeda855f88b5f045507b53caf33. 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/6mFZaiG8QPkQwDM3F7fMlo.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/6mFZaiG8QPkQwDM3F7fMlo.
{"copyright_id":"0x1b1ca0657537bda072d91bf0e9d562a8923ca39bb889c6620c8868a49cb06b0d","isrc":"PLF241906423","name":"Niepokój (feat. ReTo, Czerwin, Wowo)","registered_at":"2026-06-05T16:52:38Z","spotify_id":"6IprKDAMz15SFpeoTDPdQH","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b1ca0657537bda072d91bf0e9d562a8923ca39bb889c6620c8868a49cb06b0d. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6IprKDAMz15SFpeoTDPdQH.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/6IprKDAMz15SFpeoTDPdQH.
Weź się w garść (feat. Eldo, Żółf FENOMEN, Małach)
Nieważne skąd (feat. 102 Boyz, Inoffiziell Goldenboy, Kkuba102, Duke102, Wowo)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97bb7bdf606854f4612db35d0c50bda64a24c87c8907130246370cee12a3ef58. 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/11ejIf85dnmhN17HqaR9zB.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/11ejIf85dnmhN17HqaR9zB.
W pogoni za marzeniem (feat. ATR MF, Profus PPZ, Arturo JSP, Wowo)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97bb7bdf606854f4612db35d0c50bda64a24c87c8907130246370cee12a3ef58. 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/18vk0DunELdBweUcltGuNY.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/18vk0DunELdBweUcltGuNY.
Tony spraw (feat. Jano Polska Wersja, Kosi, Arczi $zajka)
Co się dzieje?! (feat. Hinol Polska Wersja)
{"copyright_id":"0xe477dc8fa0c14683b5e966ac93d998734386f334f8b2ba56e8fc95c3f3fa353d","isrc":"PLF242210210","name":"Trapoterapia (feat. Duke102, ReTo)","registered_at":"2026-06-04T12:11:04Z","spotify_id":"5wwRRaAzySu3jAOtl4EwCb","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe477dc8fa0c14683b5e966ac93d998734386f334f8b2ba56e8fc95c3f3fa353d. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5wwRRaAzySu3jAOtl4EwCb.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/5wwRRaAzySu3jAOtl4EwCb.
Biały kruk (feat. Bonus RPK, Arczi $zajka, Bonzo, Żaku PPS, Czerwin, Wowo)
Parkour (feat. Bonzo, plus, Czerwin, Wowo)
Na blok (feat. Bonus RPK, AdMa, plus, Łapa TWM, Bonzo)
Warszawski Walczyk (feat. Czerwin, Żaku PPS, Lewy BRD, DJ Gondek)
Kaj som (feat. Miku MDM, Perszing, Mara MDM, Bartek Boruta)
Co gdyby nie to (feat. Bonus RPK, Ero, ATR MF, plus, DJ Kebs, Wowo)
Rollercoaster (feat. Białas, Bonzo, Czerwin)
Lekcje życia (feat. Żaku PPS, Fazero, Lefczuk SA)
Wokół mnie (feat. plus, Bonzo, Kkuba102, Duke102, Inoffiziell.Goldenboy, Czerwin, Wowo)
Uważaj na siebie (feat. Arczi $zajka, Ogano, Wowo)
Real Talk (feat. Bonus RPK, Nizioł, Czerwin, DJ Gondek, Wowo)
Nawet gdy (feat. Łapa TWM, Czerwin, Gedz, Wowo)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0db3fd898d8f90c786b3745d09dfe7ab422994aa58c0f7a0b1801cfba315c158. 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/7C2BxF0culHS4y93KVK40P.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/7C2BxF0culHS4y93KVK40P.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa671e312786a6fd5e1c6c7f82cf0f61b250f950cf618cf27a3457cb031d9bd8b. 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/07olqoOjMa6pQpZ2m4oBVo.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/07olqoOjMa6pQpZ2m4oBVo.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa15993998589ee99c15be2509d612d29498ceeebfd46a284f02730573cb7e8d5. 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/6PjeiskOmvncsCJDnSTTd7.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/6PjeiskOmvncsCJDnSTTd7.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc42d1d454020c451ca2a11b1a923528095a0eef828cd8346d73cbeeed0cd4caf. 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/0NanqqHzPGegJeUqkzyD4x.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/0NanqqHzPGegJeUqkzyD4x.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8492dc5199365cff30d19327534e0d64aae63489477457dc18bff3f50124760. 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/7sUeDeTl7SGdIQjRbQQX72.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/7sUeDeTl7SGdIQjRbQQX72.
{"copyright_id":"0xfcdcec74e61e682b827578c50caf68b415bfebbf5fe3520786097234ec5f4412","isrc":"PLC062115506","name":"Tylko Zwycięstwo (Legia Rugby)","registered_at":"2026-06-24T19:58:52Z","spotify_id":"5vAFRpC0lukedhzXzvkLpO","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfcdcec74e61e682b827578c50caf68b415bfebbf5fe3520786097234ec5f4412. 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/5vAFRpC0lukedhzXzvkLpO.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/5vAFRpC0lukedhzXzvkLpO.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6c508eb2d14e5d9c782aedfa5d6d63aed75e6646655a54e9ef75135068a701e. 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/65QuHxamlKx4G4xb74O1wQ.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/65QuHxamlKx4G4xb74O1wQ.