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 0xe0445e0f0a886fcacc85fb3b161973961d8e448f44b186b488976fe1ac4b8b05. 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/d7025fdd-470c-48bf-bc2f-466b7aef0cdf.json and https://artists.proofprofile.net/proofs/artist/d7025fdd-470c-48bf-bc2f-466b7aef0cdf.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 0x5866c89bf2911aedc944bc46f2f7dd84f5025785629341d856903a0a50f972ac. 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/ITD131501386.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe17d9eeda8c7086eafddf29e6c0ea41963ebd5f119b3c1969d8eb7dbcd81c91b. 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/ITD131501423.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x469094898babf0b19ea66a68344db068236c15adfa35de9fffcebc39f079ab52. 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/ITD131501388.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4505c1741706c999493fa79fb221b60a7e86b2361ad814983ecee411b2b8ca27. 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/ITD131501389.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4335d2ea3eb4e7b41514e0c6ef46816be68580bcb9d8701f56311b0e0732b8c3. 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/ITD131501390.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77618dac12db4acb9e89667dbd9114be1ff315383c8d89a816916ab339675af8. 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/ITD131501391.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeaa3ba54aacd74156d42ffc13e85e547cf15334560bf925cc04c81222c5957cb. 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/ITD131501426.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeff4fd784f7f2de124e862afe3aaa6003bd24d2a439dbf2e4d16e2b94e542738. 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/ITD131501392.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e05154822c484445718a0ca66af6b9b6589133fcd2356003323c2b3a70069a7. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/ITD131501427.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4290d37d88acbd4cf85ffdc38a3fede79ffbdc1cfb555f0657adb6dd6d45faa9. 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/ITD131501393.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd8972652bc7c88dfe536b806f40ca79403b4ab8755df1155a65ca3b52a88799. 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/ITD131501428.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c55fda87fe986960ad08e1005df4074678dafe9c3b2d2db3ac77ef1eba565c3. Chain 2 (Bitcoin): anchored in block 957075 (2026-07-07T18:50:38Z), 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/ITD131501429.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96a568b3840e06c518b5fda71b50fcc7928d5bd6e64cca3fdf00612b76e18674. 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/ITD131501396.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde762bf9a122e1746c89d2259ca99a4d3218fdfb08f265138a334fc871c1a76e. 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/ITD131501402.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4578beaec9fb83bc254e27f63d766e9a8e68679ff6a4be884d17d71a99422728. 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/ITD131501399.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbbdabebc223f7d4b633b014ae631ec4a76cd51c4a164f4fa11df66b76c6aeee2. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/ITD131501433.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeaaf0201542502b6c7f61ddab81aadc4412c18ddc22d4994ab3ca493bcfe11e1. 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/ITD131501397.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b7a36aa46ab5668641b1675fac497f86b3198a20a90cb37afb281f75e75144c. 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/ITD131501403.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05f07a766ecfe8403e76088fe2d93a31a69df5f774c78cd73218fa564e885211. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/ITD131501404.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8820cba406b8a157910955c583ebb2873afdac4663469702bd3f5dd7137d3db. 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/ITD131501406.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12497cb449bc1bcc6e81a15bc25365f5b02209db00e575ad1be074e534bcfe30. 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/ITD131501407.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a407f04da852772df2983d1d18b265341637d4503c025ef91962a05680a2c93. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/ITD131501408.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10a93fbd5e12d74798fd6d94a04e68b6a82b329db7360da4e4429f76d965d32b. 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/ITD131501410.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc87d55aeb402a3e2d072da961dd405c5e26d93d53269c72745a7c924d49ae5d. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/ITD131501456.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcdc44db065dcae54739d99f337ac86d9447c34a1e31aee318e8674cfdab53ebd. 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/ITD131501412.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5975194f6f3a03b1660813a7a316cf0756af01094c02a3fa78023f30734f8d41. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/ITD131501413.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22d285693956ea09a7778b929cd251ae78343b0a0e5c1abb855e7ef9fd23646f. 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/ITD131501419.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a6fb017e4624b427db005da0b5e777b852c6825661510869a057f018291a176. 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/ITD131501415.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7712460b1083de69a7e01d67ccd34060c4e0a92c19b98200c7dd7f089e93445. 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/ITD131501416.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7712460b1083de69a7e01d67ccd34060c4e0a92c19b98200c7dd7f089e93445. 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/ITD131501416.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb87738b2932038e718a7ee547c8dedb7f41ac38b64f29fc0aac9102eb0a012c. 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/NLFL70800106.
Masters Of Hardcore - Magnum Opus (Chapter XLII)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77618dac12db4acb9e89667dbd9114be1ff315383c8d89a816916ab339675af8. 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/ITD131501391.
Hardcore Italia presents Millenium Hardcore Top 100
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0e21f4aa40c69eebef1297891ab8823755cfe57753185376227426b0ee76932. 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/ITD132000017.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xedc79186c34fd7dbb3f3c0ecccefb76a1ad742664db674cdcd6838af7126c869. Chain 2 (Bitcoin): anchored in block 957048 (2026-07-07T14:18:56Z), 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/ITD131100831.