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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b09e42cb377747aa7c44e7554ceadbc6fd6884592d9097a141a8f3ee0ea6d70. 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/6346dc7f-d0fa-44bb-ac6b-fb39a5460071.json and https://artists.proofprofile.net/proofs/artist/6346dc7f-d0fa-44bb-ac6b-fb39a5460071.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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85de5e718e2fdaecfb64caa5f14e8200788fc4d642132d7014e533524750dfcb. 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/HUA253750717.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa6a85f356cbb791e96efb1544eb1383d58bce0be9df9a5d672487cbaec33983. 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/HUA253795201.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb95069e2c58f0d99abf34cfe54b440f64ae23bc01c9b39ff46071df1502f1c5. 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/HUA253776313.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x274d549a6b806a233589ea86ed5e33e16d7449d86ec09f6021d75b88c2e9ca12. 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/HUA253750601.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67f117f265506f5fdc19c1141e3bfb8a547e7d6def69c802d35091f926c497ed. 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/HUA253770601.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4ac16accba74f08727f4b686d4d8aabb698913ecd79ca6444a262d083817bf1. 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/HUA253793909.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1fa17f0cd317b5edf2df403a9a59623d75e7781737bcddbeb5fde7a8028e560e. 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/HUA253771912.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2bc0e56dc6f193eaf846789256caec3fa9ee0b7854fec09ba995a7abbf748dc7. 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/HUA253720417.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x867e39820b87116285a9302588b9770c92d4d8287765c6d79a4cc20965f104b2. 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/HUA253768808.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47269956de4933f2616fe7e399fe34fc133bac5cca7218e78810372ceecbd2c1. Chain 2 (Bitcoin): anchored in block 960344 (2026-07-31T04:14:58Z), 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/HUA253797502.
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 0x22c0faf1c9b1830f4d14a9d03cdeb3d57d0c82f627e9aa840a15f2fc1a27956f. 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/HUA257123301.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x526117037ec36c8859d083e89f9e37aa929721a77b447eb5737bbe66b43b6d37. 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/HUA253797303.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x867e39820b87116285a9302588b9770c92d4d8287765c6d79a4cc20965f104b2. 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/HUA253768808.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d40bca5ba2e926b154e04f0713678c07d88aee30b1dd83ead1a351fac839747. 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/HUA258761902.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3761f37cfa7dff8c8d733e4ce96b42d8fa9be0b60cbc6d3338a0abfe5f1f7743. 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/HUA253750610.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x453a5e63a903b53b9f6e057f38a1fb8291e1b5f257b5999587447807e3765bf0. 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/HUA253729510.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b1d75b2b451e4e6b9c4c2cf0868f17b9cc243f9f102d157cbe39aad80ffc1c3. 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/HUA257103102.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ccd31cf98228d43a6eb072ef47553694ae98d054e2b4bcd7c4c5f45ae06dd85. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/HUA257118205.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4effc8515accdd6d65e840d06bf2f27699e5dd1bd32b3c4b7981f091ef623356. 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/HUA257107401.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8029bd45baf7d6d98c509001386d50c478eb99ac3018c4e56513b69420fa7fe0. 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/HUA257107410.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed346dbbb1523c4e45686dbee66afcd879c68d694c21eb8e7b49354f4290a735. 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/HUA257107411.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf27362257c2af4c9060ba787c0fb849f91a21b48f1d5ecf9441c35a6cf878518. 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/HUA257107412.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc36b307302e7f6bc40fb7e1cebade2b890b31218dcdd7c6a70b6b42167b4e606. 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/HUA251755109.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf5e2a3b15daae58f0f7c77f918f371cf5637d0fab41c2c30de474b75a31384b. 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/HUA253799302.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3600f27721d651d30e8b368b9234b97c44e9d943814121d5b6f17a56d4723ea8. 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/HUA257104301.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe65277bfb407424ff692a636891edf558281065680d5627c17f708cdfdb2fc84. 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/HUA257104312.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8cd95d1b41e616eb4f3b39b7d56b4784a05c5e74e4670a4f30dff40a891e8065. 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/HUA253796402.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe114680911204f3e291ce9ed928ef4c3968ebdd0930758134873e4118d10e525. 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/HUA253796401.
Tíz Éves A Pa-Dö-Dő, De Mari Kettővel Fiatalabb
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x046ab1721725a42448213a863437b7ca81e5a3032864838f33d315614aff11cb. 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/HUUM72100211.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7786c417cbcd1859886a787d87ad1ed895e758275ccf085d1d836a3b8ae0f15a. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/HUUM72100216.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xedfeee44f9ae95d16b11e5ed3054698313a6eda052abc6db294fe4fd7e3c9822. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/HUUM72100218.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e2102e76aaa8862cd744ead8318b65865e9ebd4e487173b0a2bf02426661969. 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/HUUM72100221.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3258b44419b8535e82eccfc43e7d8f67de2d8c23c29314bf76ae9a2d086b911. 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/HUUM72100224.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75c01c4c9c12a2810a129ad27780f99103c40d7903265203ad790da36be913d8. Chain 2 (Bitcoin): anchored in block 960216 (2026-07-30T06:39:12Z), 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/HUUM72100219.
Úgy Várok Rád / Vigyázz A Madárra (Kislemez)