1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xddab907cbfbfb7415dcc7ff4067326a2bda9379e6b0659940a32590b276a5424. 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/0b17b4c7-6f54-47c7-a8f7-9af28900aa78.json and https://artists.proofprofile.net/proofs/artist/0b17b4c7-6f54-47c7-a8f7-9af28900aa78.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04d751b5de90c1509d34c10dd691839685eaa9adfb33a1210ad461c74358a0a6. Chain 2 (Bitcoin): anchored in block 958903 (2026-07-20T15:22:45Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMFMG1319194.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07e5d0ece682f6b9174fec20f9539b25ec348a2da6287a038d441af66aaf7c5d. Chain 2 (Bitcoin): anchored in block 960220 (2026-07-30T07:28:30Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMFMG1341142.
Mrdej ji dokud se hejbe (feat. Sodoma Gomora)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd06462a555afe6f9588a041686b8507a76ba7a45b7aaca59daa7079afaecbfb5. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMFMG1341145.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9cfa6270464945f21636e655200dc6f251b0f25e4d616e7cf84d4e98c91d080f. Chain 2 (Bitcoin): anchored in block 960276 (2026-07-30T16:01:17Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMFMG1341147.
Ztraceno v překladu (feat. Idea, Zdenka Predná)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3293bcda1fb47ec2e8163b6d0082233595eaea78bfcc8108387f308e9d52c70c. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMFMG1341149.
Milujem túto dobu (feat. Tono Suchota, Rest)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x334baa74efb0a72e1334b64dbc496d70faa9696a80a4b280ac0e61d7545d30fd. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMFMG1341151.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb45b4d2b5f900d2caa45fb7098739ea4da9336bcf8533687d60d6119cbc01216. Chain 2 (Bitcoin): anchored in block 960337 (2026-07-31T02:51:48Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMFMG1341152.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1478d1db10148f36e9e5d1ced3bc3b8944eecca5eeb53e4d50ec85ff8209298. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMFMG1341154.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30145b63e8e119d2214bf13a792e414197309454945ad24fbf26c745a8cad3ec. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMFMG1341157.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xefb03962b4c6820159187ff77bdfb1250a4c9f939b7dd42121a5be56e1121806. Chain 2 (Bitcoin): anchored in block 960337 (2026-07-31T02:51:48Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMFMG1341158.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1cab9f0d40650b58935eb159aba558e47ba7088a3d71e191c9ca816c00c4d646. Chain 2 (Bitcoin): anchored in block 960185 (2026-07-30T01:32:48Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMFMG1341160.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7b0c8cf7a0e98f93a864d8c43631b9b835ad24d445513f9c580f2f6ef307fa1. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMFMG1341161.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b12f70fe60c8ad06ebbeec61a36a1c65d1326b5320b9b4583bb8d26b3117247. Chain 2 (Bitcoin): anchored in block 958726 (2026-07-19T11:47:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA232300116.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x303cdee7bea3729bf0a4fe5dcd536f60b4de0538f0658f7db7dc22ae46d54d3f. Chain 2 (Bitcoin): anchored in block 959001 (2026-07-21T11:41:42Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR2X41801737.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f16b62d48977f393725711cd789a3764f6b37845368e73c44617266e1e8568d. Chain 2 (Bitcoin): anchored in block 956711 (2026-07-04T22:48:52Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR2X41801740.
Renne, Já A Fosco (feat. Fosco Alma, MC Gey, Renne Dang)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d54d3a5de7b7ab835fb711695da15988b6a0fc25de8fc20ad6183c9c228acff. Chain 2 (Bitcoin): anchored in block 958980 (2026-07-21T07:04:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR2X41801746.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58832dbf13fca8c38e2292bf678569cabbb9a22396d3a9fc8d103e66735e57b6. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA232200675.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a4e94787c11779f952af15400bb0181c96a7788866141d1196a921c0fcf91c6. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA232200795.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98bdf59422483d564b7c385b1d7e190d958ad4e7aaec9fb13d3b49078669b609. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA232201061.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0fa0254ea9deb8e137bb08962782c7417dc66e49a51a18e88b96adf4ff1c97e3. Chain 2 (Bitcoin): anchored in block 960229 (2026-07-30T08:30:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA232200859.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4fb23c84398b3c49eb45aacc8a0cde2488ac674b845d3e13be8c6f7af773505. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA232201207.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3759617cf1fab6ed2ce8c6e27e53004ab094ff84fac645b86603f5a6151beeea. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA232201208.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58832dbf13fca8c38e2292bf678569cabbb9a22396d3a9fc8d103e66735e57b6. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA232200675.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98bdf59422483d564b7c385b1d7e190d958ad4e7aaec9fb13d3b49078669b609. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA232201061.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42897aa744b945822eb0e5094c89b96e6845baf3896aeabdba246237ae258d60. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA232201209.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1614730fe67a10aada1126f3049de10ee700ece3b530dd41572fc9d6ea2ee36. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA232201202.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x197500cfcd64f951d331aa1a173e5372eae567e2df62dedc19f97632ad148b21. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA232201211.
Chybíš mi, i když jsme spolu (feat. Václav Rouček)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27c9fe68c5a1ea6e8dfaefea3fbc110c89649662555f002338e45b14dfbd6db0. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA232201213.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8bbf0c18f3d748ee33d5f2660588a20f0ec99786fae0e299c7fdea5a213c5fe1. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA232201214.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a4e94787c11779f952af15400bb0181c96a7788866141d1196a921c0fcf91c6. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA232200795.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xacc7af39760fc7594edb1268d5c8e96d3606fdb06b1d03af1f86073e5f7f021d. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA232201217.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24777f02120041b7eddd3d7ac412a064b3c789cf708bbc26d7d27c2c43ed3c9b. Chain 2 (Bitcoin): anchored in block 960481 (2026-07-31T23:51:35Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA232301016.
Live to See the Sunset (feat. Fokis & Regie 257)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5d3dc231f51f1db0e12767f75cc115e9aa02e879e5b53c0cde35d3627cf7723. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA232301056.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70c859b6995670156635ae5ec5b7dab64ae3a1a305328cc62196ca3e5d838657. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA232301594.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba6acefdd1f9e773256a25be666711456600645bfe90d1bbb342fc0d5dc9ec7c. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA232400248.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7967ef23f61c91237c3d7ac9e31beee2eac8bfb13e7a1481b5c7c460ac32b0c. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA232400249.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c905056659825bd318af55622380e8f9e8728598db4ec834edff0567da91e41. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA232400250.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95a4760db1e7bdd4d034575ae15317b3eb337db65fd12d1ded76a9ad14780ccd. Chain 2 (Bitcoin): anchored in block 960487 (2026-08-01T00:15:43Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA232400037.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbdcf66585904ede017a9e6c857c293b8ac18a8b8e75c053afad6731aeaaabae0. Chain 2 (Bitcoin): anchored in block 960497 (2026-08-01T02:22:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA232400251.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c55fccc119b88ce0d2ee81298d1692848be65b09cf0957159782ff139dac6fe. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA232400252.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8dc32a3c92a77e4aa3d9a124939b7232448dc37ed2f5ab35887fe85a093f2f1. Chain 2 (Bitcoin): anchored in block 960500 (2026-08-01T03:13:03Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA232300260.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3bfb5244e31747a1e110c34408d7e86666762b64120898c38408248e14d2928. Chain 2 (Bitcoin): anchored in block 960459 (2026-07-31T20:22:46Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA232301488.
Zmrd jí sluší (feat. Sax, Fosco Alma, Digit)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f12c0f8becc337d48367a873281d7a10c850bdb2104805ae0ccf9dc778c9574. Chain 2 (Bitcoin): anchored in block 957055 (2026-07-07T15:12:44Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA232400253.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24777f02120041b7eddd3d7ac412a064b3c789cf708bbc26d7d27c2c43ed3c9b. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA232301016.
Underdogs (feat. SamDitQuoi, Danjo, Filip Konvalinka)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb0af733b1db19141f6afab3efe038216a53907b7964be812f1d9d99e9b7fd7d. Chain 2 (Bitcoin): anchored in block 960500 (2026-08-01T03:13:03Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA232400876.
Myslivec myslí, že Mydlář mydlí (feat. Fosco Alma)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf1bd7fca2078d0050b8b6a2e10c358680a1347276124553ff95bb466089345e. Chain 2 (Bitcoin): anchored in block 958901 (2026-07-20T15:07:00Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY42581951.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b5be7f2950cc93a8a0d66c3c11ba9bb1f4341780703201231bbee5d3ad89100. Chain 2 (Bitcoin): anchored in block 958650 (2026-07-19T03:36:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA232501691.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x602c0eed37c5dc624589db3e57c1a40c2fd48df034dea8d928435e160f4ea5ce. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA232001330.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f99d17784b9c73f2578ea6513a1de969d5a10db146b74359c7485ea25f8908d. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SKB841401434.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f8ad72e02f70742df55240df47c3864afaa81b25dfd0377198bfd638ea3c5fc. Chain 2 (Bitcoin): anchored in block 960360 (2026-07-31T06:42:11Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZUM72000570.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x150053e0e74e5504747e817976206b9e169e440f588b90e7a08d3ad6aecf2aec. Chain 2 (Bitcoin): anchored in block 960410 (2026-07-31T13:50:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR96X1886126.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5d281a310646855c65e74244a930d701d98da4444e91af6cdc5b99792d0f660. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR96X1886130.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63ef1f201e9766c9ce1d0d880cc4ed4eecff58c6652008e14ff23110c188aba9. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SKB841501606.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x906d4f22468d2c52209d376b77d5cb442b3545a49cdb09f13d3c4f2c0a3db73c. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMFMG1319154.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa537a9c9d836dd75d90404fea99f47c10fec832eb3c805a2875cdbb1752c8f63. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMFMG1319155.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa73ba0be74938d0ccce7521d9591ff39ab4273cd3bc7956f2d2d0f0d1d2f74d. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMFMG1319156.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb56ba33e246e440695e72d57d72ee6e925cbf28314e89b2b6448b621c99347e. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMFMG1319157.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf423d8ff2c3e051ab8e914d5d45d6f75448adc9d565bde7af60d191a4a893124. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMFMG1319158.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f800b6dae045118c0b3696415998cd1a54539dddb55d829e7dd9a38bd55c3e7. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMFMG1319159.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc78a21fc5bd755bfeda2f74b7bd38354cae30db26c488d8d11869d3de4512e7c. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMFMG1319160.