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 0x4443470d94ac14bb2488765e01f602b4f47762706447033101c51fca458c72a4. 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/7e5c424d-7564-4cdc-b0a0-397616a3a586.json and https://artists.proofprofile.net/proofs/artist/7e5c424d-7564-4cdc-b0a0-397616a3a586.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Odrobine (prod: Mixer, skrecz: Dj Kostek, bass, gitara: Maciej Szwarc)
Nieśmiertelne Rymy (prod: Grant, Skrecz: Dj Kostek, Backing Vocals: Shellerini)
Karma (prod: Mixer, gitara: Maciej Szwarc)
Rap W Tym Miescie (prod: Mixer, gitara: Leming, skrecz: Dj Hen)
Nienawidz Grę, A Nie Gracza (prod: Mixer)
Mexyk (prod: Larwa, backing vocals: Shellerini, skrecz; Dj Kostek)
W Tych Klubach (prod i backing vocals: Mixer)
Tokadogiepedegie (prod: Larwa, skrecz: Dj Hen)
Jomajo (prod: Beatmakerbeat) - Bonus Track
Z.G.R. (Zorganizowana Grupa Rapowa) (prod: Mahyn, skrecze: Dj Zaju) - Bonus 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 0xb480266808d2a9e99db44c81c68dcaec64d917b02c98146818d784ca9cbc9469. 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/4rnnwejikILKAGWpil6Lz3.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/4rnnwejikILKAGWpil6Lz3.
{"copyright_id":"0x538fba50cf47c626b49909209489cf4107f9fffa675ef4d782888a986d43a7db","isrc":"PLH511200178","name":"Ludzie Koty (prod: Mixer, Bass: Leming)","registered_at":"2026-06-11T09:33:26Z","spotify_id":"1XASa8TQ1sLUB3FaWv86yn","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x538fba50cf47c626b49909209489cf4107f9fffa675ef4d782888a986d43a7db. 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/1XASa8TQ1sLUB3FaWv86yn.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/1XASa8TQ1sLUB3FaWv86yn.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13444f7cf970fa47b8f6d47c1edc50226bdb0185b10427f026430ed8e44bed53. 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/6BscxVgDAou7dF6ciuzWMf.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/6BscxVgDAou7dF6ciuzWMf.
{"copyright_id":"0x910de20a8a67bb57e4c774d2ecf331fab80572d06ece467e5b28f32c032d0191","isrc":"PLH511200180","name":"Przerywam Ciszę (prod: Mixer)","registered_at":"2026-06-19T10:51:29Z","spotify_id":"6OksPwn4AgHDs4OOKsFEbR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x910de20a8a67bb57e4c774d2ecf331fab80572d06ece467e5b28f32c032d0191. 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/6OksPwn4AgHDs4OOKsFEbR.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/6OksPwn4AgHDs4OOKsFEbR.
{"copyright_id":"0x39fd7cb15d79f23de4c778edd780af986a6d5a58e672fe5abb8cea14984f4352","isrc":"PLH511200181","name":"Odrobine (prod: Mixer, skrecz: Dj Kostek, bass, gitara: Maciej Szwarc)","registered_at":"2026-06-20T00:05:31Z","spotify_id":"7dJNOhPtULD4j2ruWsGsov","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39fd7cb15d79f23de4c778edd780af986a6d5a58e672fe5abb8cea14984f4352. 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/7dJNOhPtULD4j2ruWsGsov.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/7dJNOhPtULD4j2ruWsGsov.
{"copyright_id":"0xf531a81dc8e2d85308b3fc418445b571b3068ce8e4d0d23de2fcf6e2e6ea8414","isrc":"PLH511200182","name":"Kartka Z Kalendarza (prod: Mixer)","registered_at":"2026-06-18T15:52:09Z","spotify_id":"2DUWXcN23LqVhP0z6V0mfm","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf531a81dc8e2d85308b3fc418445b571b3068ce8e4d0d23de2fcf6e2e6ea8414. 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/2DUWXcN23LqVhP0z6V0mfm.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/2DUWXcN23LqVhP0z6V0mfm.
{"copyright_id":"0x9f32d94952fe90e830ef6fb5b121992aa9d4cbae12d482d08654b0ca3b8d232a","isrc":"PLH511200183","name":"Nieśmiertelne Rymy (prod: Grant, Skrecz: Dj Kostek, Backing Vocals: Shellerini)","registered_at":"2026-06-25T03:26:52Z","spotify_id":"5nxuTME8dsl4Zebs2kTopi","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f32d94952fe90e830ef6fb5b121992aa9d4cbae12d482d08654b0ca3b8d232a. 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/5nxuTME8dsl4Zebs2kTopi.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/5nxuTME8dsl4Zebs2kTopi.
{"copyright_id":"0xd30a3160b3ac1cdb56f3242f1cf8540203eeed3cee7eb2fe63906cd1cc6802af","isrc":"PLH511200184","name":"Karma (prod: Mixer, gitara: Maciej Szwarc)","registered_at":"2026-06-10T03:46:52Z","spotify_id":"32Ykx17hLeVu9kLys9V3lI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd30a3160b3ac1cdb56f3242f1cf8540203eeed3cee7eb2fe63906cd1cc6802af. 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/32Ykx17hLeVu9kLys9V3lI.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/32Ykx17hLeVu9kLys9V3lI.
{"copyright_id":"0x0e1d2811733dbc4dc41ba236f66e64578e6e107ee1f0bd4b15f245731dba1692","isrc":"PLH511200186","name":"Nienawidz Grę, A Nie Gracza (prod: Mixer)","registered_at":"2026-06-24T12:55:00Z","spotify_id":"4GV11mpiqDK1zD6PvmZGKk","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e1d2811733dbc4dc41ba236f66e64578e6e107ee1f0bd4b15f245731dba1692. 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/4GV11mpiqDK1zD6PvmZGKk.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/4GV11mpiqDK1zD6PvmZGKk.
Manewry (prod: Matheo) - Manewry feat. Ramona 23 (prod: Matheo)
{"copyright_id":"0x0d54ab0f70ba736fc66d7232864d9061333c45af84fb4471e33d963bad9be4eb","isrc":"PLH511200187","name":"Manewry (prod: Matheo) - Manewry feat. Ramona 23 (prod: Matheo)","registered_at":"2026-06-04T15:02:57Z","spotify_id":"3sMnzrbnJWcrYDVPJbkWTH","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d54ab0f70ba736fc66d7232864d9061333c45af84fb4471e33d963bad9be4eb. 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/3sMnzrbnJWcrYDVPJbkWTH.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/3sMnzrbnJWcrYDVPJbkWTH.
{"copyright_id":"0xfc92c841b1f71a29e05a50c31765c7d7bd9ca1b07703a1ea6275eeffcb556903","isrc":"PLH511200190","name":"W Tych Klubach (prod i backing vocals: Mixer)","registered_at":"2026-06-07T19:55:17Z","spotify_id":"3eVljo6nek28vp6NDyolHd","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc92c841b1f71a29e05a50c31765c7d7bd9ca1b07703a1ea6275eeffcb556903. 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/3eVljo6nek28vp6NDyolHd.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/3eVljo6nek28vp6NDyolHd.
Z.G.R. (Zorganizowana Grupa Rapowa) (prod: Mahyn, skrecze: Dj Zaju)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6cabd75ac049eb2198fc956cc9c34880256192b9227183bd7a8db1f282cf3b59. 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/7o28RF9fCDsIbWigh6elKw.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/7o28RF9fCDsIbWigh6elKw.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe1f126693eac41ac68e0314df7938e1e827712f496eabd67993b14e281159f2. 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/4v7MoSBu9aglbeSQvT1PhJ.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/4v7MoSBu9aglbeSQvT1PhJ.
{"copyright_id":"0xf961e834adfc8622bcdb4489e25ac1effbcc7129360adc3e38f7847ac6ea3c57","isrc":"PLC062387188","name":"Jestem Szejkiem","registered_at":"2026-06-08T20:06:07Z","spotify_id":"3j3pViWwSWzvRKuQ4piVbl","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf961e834adfc8622bcdb4489e25ac1effbcc7129360adc3e38f7847ac6ea3c57. 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/3j3pViWwSWzvRKuQ4piVbl.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/3j3pViWwSWzvRKuQ4piVbl.
{"copyright_id":"0xa91f7a326056744ecb1bdb817a5d44bc07cf34ad7e89da51aa42cd8313d63851","isrc":"PLC062387189","name":"Zjednoczone Emiraty Poznańskie","registered_at":"2026-06-21T01:52:44Z","spotify_id":"162BAaPzv6WQtTZmMAP92l","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa91f7a326056744ecb1bdb817a5d44bc07cf34ad7e89da51aa42cd8313d63851. 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/162BAaPzv6WQtTZmMAP92l.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/162BAaPzv6WQtTZmMAP92l.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7bfaf8b8eadffaba3ae0882a8e0b4663c754e21789162484908b5e79fb53a2e9. 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/1M30sbgjJFt6ne0p4fHCHw.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/1M30sbgjJFt6ne0p4fHCHw.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85378f75598156e083f981a7ee68a6cd8dfa641a6ed2727739c81ce82f901ba4. 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/6p8Y7FoW42vxK6OCPW5CiQ.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/6p8Y7FoW42vxK6OCPW5CiQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25041b18e5950899734a5d3d0fc08244d1474268084fdee56dba5e45ab2b2854. 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/3numC2Su8k53G7aMF4Cyzx.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/3numC2Su8k53G7aMF4Cyzx.
{"copyright_id":"0xe1ff809acdcbc3b07dabd786def24ab8d18586c8438b6ddd5199c6bd2b6b6a36","isrc":"PLC062387193","name":"Pod Blokiem","registered_at":"2026-06-25T20:54:16Z","spotify_id":"1Ypp64xgOaw9epNMZGzaHR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1ff809acdcbc3b07dabd786def24ab8d18586c8438b6ddd5199c6bd2b6b6a36. 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/1Ypp64xgOaw9epNMZGzaHR.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/1Ypp64xgOaw9epNMZGzaHR.
{"copyright_id":"0xa2cb3398fddd01c9e399aa081f251d7fdff8932e2e9b12120ad60d3a78bad896","isrc":"PLC062387194","name":"Spójrz Prawdzie W Oczy","registered_at":"2026-06-22T00:28:17Z","spotify_id":"7BzXHEuR7AebmcxMn7XiVL","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2cb3398fddd01c9e399aa081f251d7fdff8932e2e9b12120ad60d3a78bad896. 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/7BzXHEuR7AebmcxMn7XiVL.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/7BzXHEuR7AebmcxMn7XiVL.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6757e12d82628e1b0875f2bbd56fd20790d6f877770a9a7afed772b5f70fc4a5. 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/1a3U6uZHQwuqpGTV1aL2VD.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/1a3U6uZHQwuqpGTV1aL2VD.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4675acb6f956b79338ee04a2ec4d6137e69fa2363d2fe6718f0fa936e873a9af. 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/4jjnl68cvpx1UyOkijrHLi.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/4jjnl68cvpx1UyOkijrHLi.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e828184f3ec732e605c7dc50c93a0513a96fadf1ccc2447b16f3c37517bdf3f. 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/5HNsuGnvv1mzEvu78AaIFH.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/5HNsuGnvv1mzEvu78AaIFH.
{"copyright_id":"0xd6f9419ed68c3ade6bbb0dec7ec2b04669ed81a91ded8976e8917cb86eaa89a2","isrc":"PLC062387198","name":"Ile Elementów","registered_at":"2026-06-25T20:56:42Z","spotify_id":"3mUrKGPsGCMBt0CY9zoeYr","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6f9419ed68c3ade6bbb0dec7ec2b04669ed81a91ded8976e8917cb86eaa89a2. 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/3mUrKGPsGCMBt0CY9zoeYr.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/3mUrKGPsGCMBt0CY9zoeYr.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee69473d3950b1bf1d01f48070281660066d75c6b6b3241eeb384c2648f8ce07. 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/4A9GKmNpVNIkZl7Tumsyj5.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/4A9GKmNpVNIkZl7Tumsyj5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ed51a66f0c726b8e0ba12028bda0c0f52241300b44fd7cdedd3b267f46357e2. 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/74tCyHlMzlllzeRumt6Abz.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/74tCyHlMzlllzeRumt6Abz.
{"copyright_id":"0xda7475fa18deaa7c90afdef8337fdee485ff7490d2865a2ee2a20a6c875abd39","isrc":"PLC062387202","name":"Saga Trwa Nadal","registered_at":"2026-06-27T01:30:06Z","spotify_id":"7nEsuRCb69Nm2vcft6S59n","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda7475fa18deaa7c90afdef8337fdee485ff7490d2865a2ee2a20a6c875abd39. 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/7nEsuRCb69Nm2vcft6S59n.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/7nEsuRCb69Nm2vcft6S59n.
{"copyright_id":"0xaf776fb7cf8b353166775edd30d80963bbaa160e041a6bed738c66d6a587d164","isrc":"PLC062387203","name":"To O Nich I Dla Nich","registered_at":"2026-06-19T10:52:13Z","spotify_id":"3KLOh7xDMKGIAQt8sUE6Mv","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf776fb7cf8b353166775edd30d80963bbaa160e041a6bed738c66d6a587d164. 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/3KLOh7xDMKGIAQt8sUE6Mv.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/3KLOh7xDMKGIAQt8sUE6Mv.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6cabd75ac049eb2198fc956cc9c34880256192b9227183bd7a8db1f282cf3b59. 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/2TxrFNBrln3izkHcgAbB1A.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/2TxrFNBrln3izkHcgAbB1A.
Zjednoczone Emiraty Poznańskie - Magiera Remix