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 0xb40839e6d0e302ac332b15dc1b4055494ca3edc4574cf702cfe84a36ff503f5d. 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/d4c85fc7-ffc5-456b-be32-7d0b6a84dcbc.json and https://artists.proofprofile.net/proofs/artist/d4c85fc7-ffc5-456b-be32-7d0b6a84dcbc.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 0xae4d8bbc73ced03de64be94f01581367476cee48a4d56b00350e495bb0af8b08. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3n7iUzUytbQwmmomEe5C5w.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/3n7iUzUytbQwmmomEe5C5w.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc54c5ae60ef2b52730c8d91846de0fe0772496c430c5658b03d939ebfc8368fa. 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/4SAb7ZCJ5AQmEiO8AxxoMM.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/4SAb7ZCJ5AQmEiO8AxxoMM.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae4d8bbc73ced03de64be94f01581367476cee48a4d56b00350e495bb0af8b08. 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/7y0pfJoFmtxa3zco95hlTO.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/7y0pfJoFmtxa3zco95hlTO.
{"copyright_id":"0x799549b39eb891af339e7c632500b6ae29699b4e2db08fcad8cdb41bab3461d8","isrc":"PLB382400804","name":"Coś z tym zrobić","registered_at":"2026-06-21T07:11:22Z","spotify_id":"6m3t7pDgLHfVNNKLiaJra0","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x799549b39eb891af339e7c632500b6ae29699b4e2db08fcad8cdb41bab3461d8. 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/6m3t7pDgLHfVNNKLiaJra0.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/6m3t7pDgLHfVNNKLiaJra0.
{"copyright_id":"0x9b03d07be6b6a5925edb8d349f0496a332d6ba9b2f724273873ac9b4bb9d0cea","isrc":"PLB382400805","name":"Zjedz tylko sos","registered_at":"2026-06-22T05:50:56Z","spotify_id":"3p2qKNOr66ZbIlrAVhJY1H","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b03d07be6b6a5925edb8d349f0496a332d6ba9b2f724273873ac9b4bb9d0cea. 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/3p2qKNOr66ZbIlrAVhJY1H.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/3p2qKNOr66ZbIlrAVhJY1H.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0637ac5f79d9acd254762356889e3839200e4159169bab25f34c817c8c70425f. 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/6IHPJUZZKdbkJj8Luyw7Jd.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/6IHPJUZZKdbkJj8Luyw7Jd.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82fbc903402631767c15a61e9f60272e5bcb379f2240c6f484fadebb61204e8c. 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/1Y8uWWtZZiQ7u9e8HziGtv.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/1Y8uWWtZZiQ7u9e8HziGtv.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd29957173afd960d35147008bdb17fa1bb20526c74cb7c695f3629f408dcc55f. 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/0AyoIMRJRc6pKO6mH7X09o.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/0AyoIMRJRc6pKO6mH7X09o.
{"copyright_id":"0xdcb7f51a2749c25aa05ba3e54fcbd27a40f9c8b8efbf88cf0061d0a225e861bd","isrc":"PLB382400808","name":"Dobre ziomy","registered_at":"2026-06-27T09:49:38Z","spotify_id":"5OPgSTEmzwJOKzQy2pQfsa","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdcb7f51a2749c25aa05ba3e54fcbd27a40f9c8b8efbf88cf0061d0a225e861bd. 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/5OPgSTEmzwJOKzQy2pQfsa.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/5OPgSTEmzwJOKzQy2pQfsa.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc13798430c505cb82b14d39a103d057a1e22e258f65ba88d2d1e4e2dad6a3121. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T20:45:03Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5rHiM2kkDhhjtGaxBV4tOI.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/5rHiM2kkDhhjtGaxBV4tOI.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4260a851cb26bf0b7eb8bb6d7b402af7f351a15045a1ff56392dd7834aa6d31b. 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/2KhACQ2CX4at5mmbT9EVzJ.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/2KhACQ2CX4at5mmbT9EVzJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc54c5ae60ef2b52730c8d91846de0fe0772496c430c5658b03d939ebfc8368fa. 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/1Ce2b3CnW7I46UKgPZRhFp.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/1Ce2b3CnW7I46UKgPZRhFp.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x835c4be647300e9de63b59e12ecc9b19f9b6f4da9020f34c1875c741f7a2d284. 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/3HqO4kLla14Oc8j03Uq9DT.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/3HqO4kLla14Oc8j03Uq9DT.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae4d8bbc73ced03de64be94f01581367476cee48a4d56b00350e495bb0af8b08. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0dyQ72ThcIxWxabad5oDuF.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/0dyQ72ThcIxWxabad5oDuF.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x799549b39eb891af339e7c632500b6ae29699b4e2db08fcad8cdb41bab3461d8. 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/0e1YuQTiNMI6ZE9ujxrN0s.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/0e1YuQTiNMI6ZE9ujxrN0s.
{"copyright_id":"0x9b03d07be6b6a5925edb8d349f0496a332d6ba9b2f724273873ac9b4bb9d0cea","isrc":"PLB382400805","name":"Zjedz tylko sos","registered_at":"2026-06-22T05:50:56Z","spotify_id":"0sisykL4sKGgSLD2xQa5KK","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b03d07be6b6a5925edb8d349f0496a332d6ba9b2f724273873ac9b4bb9d0cea. 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/0sisykL4sKGgSLD2xQa5KK.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/0sisykL4sKGgSLD2xQa5KK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0637ac5f79d9acd254762356889e3839200e4159169bab25f34c817c8c70425f. 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/1GBVO8c5TFsonSYyIOGgEi.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/1GBVO8c5TFsonSYyIOGgEi.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd29957173afd960d35147008bdb17fa1bb20526c74cb7c695f3629f408dcc55f. 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/1Ztxdrv4VWoSIvGLmT5eAn.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/1Ztxdrv4VWoSIvGLmT5eAn.
{"copyright_id":"0xdcb7f51a2749c25aa05ba3e54fcbd27a40f9c8b8efbf88cf0061d0a225e861bd","isrc":"PLB382400808","name":"Dobre ziomy","registered_at":"2026-06-27T09:49:38Z","spotify_id":"3xwW2x4FJg6fRutf4W6kqo","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdcb7f51a2749c25aa05ba3e54fcbd27a40f9c8b8efbf88cf0061d0a225e861bd. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3xwW2x4FJg6fRutf4W6kqo.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/3xwW2x4FJg6fRutf4W6kqo.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc13798430c505cb82b14d39a103d057a1e22e258f65ba88d2d1e4e2dad6a3121. 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/1szlhu1RexEfhwzZkKxs9k.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/1szlhu1RexEfhwzZkKxs9k.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4260a851cb26bf0b7eb8bb6d7b402af7f351a15045a1ff56392dd7834aa6d31b. 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/1DWye7UCwtrFmVMcad7bN6.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/1DWye7UCwtrFmVMcad7bN6.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc54c5ae60ef2b52730c8d91846de0fe0772496c430c5658b03d939ebfc8368fa. Chain 2 (Bitcoin): anchored in block 956862 (2026-07-06T02:10:22Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/57nVqll4X5IngFDurPQ4j2.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/57nVqll4X5IngFDurPQ4j2.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x835c4be647300e9de63b59e12ecc9b19f9b6f4da9020f34c1875c741f7a2d284. 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/1yJ9MDTeeWpUmdwGysl4aM.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/1yJ9MDTeeWpUmdwGysl4aM.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b33dffb4acd2399bf406ed07de68cdda44328414790fa39510bedd6239e6d96. 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/11SYea0yiHlgnqBffQ3FTR.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/11SYea0yiHlgnqBffQ3FTR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf884c61f6589b87f2d0b8592846f335ed0ce10fece2004b40b2767af7381697. 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/3XeO3m1ZtFUIH6xvxGa9aF.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/3XeO3m1ZtFUIH6xvxGa9aF.
{"copyright_id":"0x3cc2e5dee731b88de9dd7cc802cfc11d1c82426442dbcfb8db22dca679eeffab","isrc":"PLB382400820","name":"Daily Grind Freestyle","registered_at":"2026-06-27T09:48:22Z","spotify_id":"2g9XNcG52y3eshzpwUnfFv","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3cc2e5dee731b88de9dd7cc802cfc11d1c82426442dbcfb8db22dca679eeffab. 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/2g9XNcG52y3eshzpwUnfFv.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/2g9XNcG52y3eshzpwUnfFv.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3e8884725a19a0836f5fc3ad97224fa79318877ffe8b868138e753926ce069c. 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/3flCkSMMVZQ5N3XVkFCPKd.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/3flCkSMMVZQ5N3XVkFCPKd.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2acbe23c7c72cebceb2838600413e8aff361e81a9e76024027c28add7cec7036. 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/2154l8HUY6BaZdD5ckBViZ.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/2154l8HUY6BaZdD5ckBViZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x571befd98043e25c44ada746124ed014dbdb166f5b3212664432a318dba49c26. 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/5al8pVdFhy1pjH9XQ2Gzwm.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/5al8pVdFhy1pjH9XQ2Gzwm.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd569de23e3d32074394a0b960dd1d25c873995d4013e8606cc6fc80601f2429. 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/4qjIIJiyq3IWhMHPHt1o2F.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/4qjIIJiyq3IWhMHPHt1o2F.
{"copyright_id":"0xe3fb89f6ccf5b379271d9bb85a67da87771045a769f2ddcee4b3d6b5f2845c2f","isrc":"PLS282300099","name":"Wioska ukryta we mgle","registered_at":"2026-06-04T13:18:06Z","spotify_id":"69K1IlxLZg7FqRaCqpf4r4","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3fb89f6ccf5b379271d9bb85a67da87771045a769f2ddcee4b3d6b5f2845c2f. 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/69K1IlxLZg7FqRaCqpf4r4.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/69K1IlxLZg7FqRaCqpf4r4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5fb4fc51c3ea1af5dab7b23e6a7346d76d8f861bcd2524e39abf919d6596683. 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/412OKOfLSvgOtOHMexJigI.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/412OKOfLSvgOtOHMexJigI.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9accf2636dfa322bf4644b329bc1d671d802431b7d31bc45112b7c750d6afad5. 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/4QGoEMEsxP3BCK8G37MpZT.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/4QGoEMEsxP3BCK8G37MpZT.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73fd61d59f34a954ef4cf084ff89172ac56de04281d8ad45c5204dd98a97e126. 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/4SPHGTl4m8oZyc9B33MrwT.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/4SPHGTl4m8oZyc9B33MrwT.
{"copyright_id":"0x992d67eae95f6aa652e6f0d2ee47e158e0ced5e61d7ace985e1cdf97e50bfecf","isrc":"PLS282300147","name":"To jest moja muza","registered_at":"2026-06-09T09:12:22Z","spotify_id":"7ynWM5PhaqOQU3V2cwtWY3","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x992d67eae95f6aa652e6f0d2ee47e158e0ced5e61d7ace985e1cdf97e50bfecf. 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/7ynWM5PhaqOQU3V2cwtWY3.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/7ynWM5PhaqOQU3V2cwtWY3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x032504783e658e00f9ed56a01f7269f2bc4bcb0cea2c04a05bcac8fc6eb94b21. 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/4N7GieEpmygmezuOgTvqX8.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/4N7GieEpmygmezuOgTvqX8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf411f37666a3879f955bf9e7e259a69413bbbaecf2617aa76dee49c08781b58. 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/63BJ1bs6jHZYrmr2LFNWPD.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/63BJ1bs6jHZYrmr2LFNWPD.
{"copyright_id":"0xeef11e01c9f5944c2114ae0250d6aabdc7d4018b3d60ab12725d56478e71c3cc","isrc":"PLI361544850","name":"Vladimir Putin","registered_at":"2026-06-10T04:53:20Z","spotify_id":"6Z6KvhSHG2OmdKwr0ezEbQ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeef11e01c9f5944c2114ae0250d6aabdc7d4018b3d60ab12725d56478e71c3cc. 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/6Z6KvhSHG2OmdKwr0ezEbQ.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/6Z6KvhSHG2OmdKwr0ezEbQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x896ba69e18ce4c30d1ea0ba69757459d62f7b8d08a73a36dd19213efd47181d0. 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/76e3bt6SndmePvZD0kZUEN.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/76e3bt6SndmePvZD0kZUEN.
{"copyright_id":"0x2b044de164c79956420e8e0bb67dc54f389f4e4ce763ba9fe46dbbcb6188111f","isrc":"PLI361547040","name":"Chłopaki nie płaczą","registered_at":"2026-06-11T14:59:38Z","spotify_id":"4AEC4cpNmQSrFENcEuLw9r","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b044de164c79956420e8e0bb67dc54f389f4e4ce763ba9fe46dbbcb6188111f. 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/4AEC4cpNmQSrFENcEuLw9r.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/4AEC4cpNmQSrFENcEuLw9r.
Gościnnie na kanale SB Maffija (Bootleg 2014 - 2016)